Leo
type: MusicGroup
genre: metal
description: Leo is the Latin word for lion. It most often refers to: Leo (constellation), a constellation of stars in the night sky Leo (astrology), an astrological sign of the zodiac Leo (given name), a given
popularity: 54
followers: 408182
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/bc0ab88d-6b99-4620-b94f-f0d94ba4b983.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x815abebb098f0bf1479475715defa7f2fc1c627967909b57bcb4d6b77abcc783. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bc0ab88d-6b99-4620-b94f-f0d94ba4b983.json and https://artists.proofprofile.net/proofs/artist/bc0ab88d-6b99-4620-b94f-f0d94ba4b983.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Rockin´ Around the Christmas Tree (Metal Version)
  type: MusicAlbum
  date published: 2000
album: Socken von nike
  type: MusicAlbum
  date published: 2000
album: Merry Cristmas Metal Covers
  type: MusicAlbum
  date published: 2014-09-26
  track: Jingle Bell Metal
    type: MusicRecording
    duration: PT1M18S
    duration ms: 78612
    explicit: false
    by artist: Leo
    in album: Merry Cristmas Metal Covers
      type: MusicAlbum
      date published: 2014-09-26
    genre: metal
    isrc code: USE830937493
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T23:41:40Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ead7e6c312f9969476890fac13b0ff387a6ad0c81087b01f0e3b0d851a31069. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-21T23:41:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USE830937493.
      date published: 2026-07-21T23:41:40Z
    audio: Jingle Bell Metal
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 89.998
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.582
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
        type: PropertyValue
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
        type: PropertyValue
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      additional property: Key Name
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album: Merry Cristmas Metal Covers
  type: MusicAlbum
  date published: 2014-09-26
album: Poker Face - Metal Cover
  type: MusicAlbum
  date published: 2014-09-27
album: Poker Face - Metal Cover
  type: MusicAlbum
  date published: 2014-09-27
album: Chandelier Metal Cover
  type: MusicAlbum
  date published: 2014-09-30
album: Chandelier Metal Cover
  type: MusicAlbum
  date published: 2014-09-30
album: Acoustic covers Album 3
  type: MusicAlbum
  date published: 2014-10-02
album: Acoustic covers Album 3
  type: MusicAlbum
  date published: 2014-10-02
  track: Walk this way (acoustic cover)
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214236
    explicit: true
    by artist: Leo
    in album: Acoustic covers Album 3
      type: MusicAlbum
      date published: 2014-10-02
    genre: metal
    isrc code: USE830938329
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    additional property: OTSTimestamp
      type: PropertyValue
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ac8eaeb6d28a3acbcc09f6cc83955832bb488b38dd696426acf5d501e76e9be. Chain 2 (Bitcoin): anchored in block 956485 (2026-07-03T10:53:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USE830938329.
      date published: 2026-07-03T10:53:04Z
    audio: Walk this way (acoustic cover)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Musical Key
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      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
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      additional property: Instrumentalness
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      additional property: Valence (Positivity)
      additional property: Loudness (dB)
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album: Black Night - Metal Cover
album: Shake It Off - Metal Cover
album: Acoustic Covers Album 2
album: Take On Me - Metal Cover
album: Wild Side - Acoustic Cover
album: U Can´t Touch This - Metal Cover
album: Leo Metal Covers Volume 2
album: Leo Metal Covers Volume 1
album: Acoustic Covers Album 1
album: Leo Metal Covers Volume 4
album: All About That Bass - (Metal Cover)
album: Let It Go - Metal Cover
album: Anaconda - Metal Cover
album: Bang Bang - Metal Cover
album: Roar - Metal Cover
album: White Christmas - Metal Cover
album: Rolling In The Deep - Metal Cover
album: Baby One More Time - Metal Cover
album: Baby - Metal Cover
album: Like A Virgin - Metal Cover
album: No Limit - Metal Cover
album: Beat It - Metal Cover
album: Uptown Funk - Metal Cover
album: Bad Romance - Metal Cover
album: Respect - Metal Cover
album: Lips Are Movin - Metal Cover
album: Fatty Boom Boom - Metal Cover
album: Push It - Metal Cover
album: Stay - Metal Cover
album: Livin´ La Vida Loca - Metal Cover
album: Ice Ice Baby - Metal Cover
album: Personal Jesus - Acoustic Cover
album: Try - Metal Cover
album: Scatman - Metal Cover
album: Sharp Dressed Man - Metal Cover
album: Dark Horse - Metal Cover
album: Gangsta´s Paradise (Metal Cover)
album: Moves Like Jagger (Metal Cover)
album: Mentos Song (metal cover)
album: Titanium (Metal Cover)
album: Never Gonna Give You Up (Metal Cover)
album: Macarena (Metal Cover)
album: Stayin´ Alive (Metal Cover)
album: Gin and Juice (Metal Cover)
album: Ghostbusters (Metal Cover)
album: Mambo No. 5 (Metal Cover)
album: Everlong - Acoustic Cover
album: Elastic Heart (Metal Cover)
album: Greased Lightning (Metal Cover)
album: Smells like teen spirit (Metal Cover)
album: Leo Metal Covers Volume 3
track: QZHN82195294
track: GBMLT1501519

Mode (Major/Minor)
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value: 1

Time Signature
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value: 4

Danceability
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value: 0.715

Energy
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Speechiness
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value: 0.05

Acousticness
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value: 0.023

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.104

Valence (Positivity)
type: PropertyValue
value: 0.961

Loudness (dB)
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value: -5.013

Key Name
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Mode Name
type: PropertyValue
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Black Night - Metal Cover
type: MusicAlbum
date published: 2014-10-07

Black Night - Metal Cover
type: MusicAlbum
date published: 2014-10-07

Shake It Off - Metal Cover
type: MusicAlbum
date published: 2014-10-10

Shake It Off - Metal Cover
type: MusicAlbum
date published: 2014-10-10

Acoustic Covers Album 2
type: MusicAlbum
date published: 2014-10-13
track: Seven Nation Army (acoustic cover)
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242990
  explicit: false
  by artist: Leo
  in album: Acoustic Covers Album 2
    type: MusicAlbum
    date published: 2014-10-13
  genre: metal
  isrc code: USE830938311
  additional property: CopyrightID
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T21:06:36Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0043ec708c48c3769bfb97d28ecc2b77c63444fe105c23a2994fa2c815907d5. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T21:06:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USE830938311.
    date published: 2026-07-21T21:06:36Z
  audio: Seven Nation Army (acoustic cover)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.585
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.847
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.252
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.713
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.716
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.854
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Acoustic Covers Album 2
type: MusicAlbum
date published: 2014-10-13

Take On Me - Metal Cover
type: MusicAlbum
date published: 2014-10-17

Take On Me - Metal Cover
type: MusicAlbum
date published: 2014-10-17

Wild Side - Acoustic Cover
type: MusicAlbum
date published: 2014-10-22

Wild Side - Acoustic Cover
type: MusicAlbum
date published: 2014-10-22

U Can´t Touch This - Metal Cover
type: MusicAlbum
date published: 2014-10-30

U Can´t Touch This - Metal Cover
type: MusicAlbum
date published: 2014-10-30

Leo Metal Covers Volume 2
type: MusicAlbum
date published: 2014-10-31
track: Chandelier - Metal Cover
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206806
  explicit: false
  by artist: Leo
  in album: Leo Metal Covers Volume 2
    type: MusicAlbum
    date published: 2014-10-31
  genre: metal
  isrc code: USE830970457
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  additional property: OTSHash
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USE830970457
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T21:05:52Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61358f92f74523a5f3232386b189388f4e3849e5f5623f47ae4a8fcb9221fc74. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T21:05:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USE830970457.
    date published: 2026-07-16T21:05:52Z
  audio: Chandelier - Metal Cover
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.032
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.527
    additional property: Energy
      type: PropertyValue
      value: 0.913
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.004
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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track: Let it Go - Metal Cover
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221137
  explicit: false
  by artist: Leo
  in album: Leo Metal Covers Volume 2
    type: MusicAlbum
    date published: 2014-10-31
  genre: metal
  isrc code: USE830970926
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T03:39:13Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd59b71ca6c30deb59ae4bc5d6078efc9d43c7acb7e5902352f03581b43187d21. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T03:39:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USE830970926.
    date published: 2026-07-17T03:39:13Z
  audio: Let it Go - Metal Cover
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 80.004
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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Leo Metal Covers Volume 1
type: MusicAlbum
date published: 2014-10-31

Leo Metal Covers Volume 1
type: MusicAlbum
date published: 2014-10-31

Leo Metal Covers Volume 2
type: MusicAlbum
date published: 2014-10-31

Acoustic Covers Album 1
type: MusicAlbum
date published: 2014-10-31

Acoustic Covers Album 1
type: MusicAlbum
date published: 2014-10-31
track: Play That Funky Music (acoustic cover)
  type: MusicRecording
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  duration ms: 287558
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    type: MusicAlbum
    date published: 2014-10-31
  genre: metal
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Leo Metal Covers Volume 4
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Leo Metal Covers Volume 4
type: MusicAlbum
date published: 2014-11-01

All About That Bass - (Metal Cover)
type: MusicAlbum
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All About That Bass - (Metal Cover)
type: MusicAlbum
date published: 2014-11-04

Let It Go - Metal Cover
type: MusicAlbum
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Let It Go - Metal Cover
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Anaconda - Metal Cover
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Anaconda - Metal Cover
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Bang Bang - Metal Cover
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Bang Bang - Metal Cover
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Roar - Metal Cover
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Roar - Metal Cover
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date published: 2014-12-03

White Christmas - Metal Cover
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Rolling In The Deep - Metal Cover
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date published: 2015-01-02

Rolling In The Deep - Metal Cover
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Baby One More Time - Metal Cover
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Baby One More Time - Metal Cover
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Baby - Metal Cover
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Baby - Metal Cover
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date published: 2015-01-14

Like A Virgin - Metal Cover
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date published: 2015-01-21

Like A Virgin - Metal Cover
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date published: 2015-01-21

No Limit - Metal Cover
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No Limit - Metal Cover
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date published: 2015-02-04

Beat It - Metal Cover
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Beat It - Metal Cover
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Uptown Funk - Metal Cover
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date published: 2015-02-11

Uptown Funk - Metal Cover
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date published: 2015-02-11

Bad Romance - Metal Cover
type: MusicAlbum
date published: 2015-02-26

Bad Romance - Metal Cover
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date published: 2015-02-26

Respect - Metal Cover
type: MusicAlbum
date published: 2015-03-09

Respect - Metal Cover
type: MusicAlbum
date published: 2015-03-09

Lips Are Movin - Metal Cover
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date published: 2015-03-11

Lips Are Movin - Metal Cover
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date published: 2015-03-11

Fatty Boom Boom - Metal Cover
type: MusicAlbum
date published: 2015-03-18

Fatty Boom Boom - Metal Cover
type: MusicAlbum
date published: 2015-03-18

Push It - Metal Cover
type: MusicAlbum
date published: 2015-03-26

Push It - Metal Cover
type: MusicAlbum
date published: 2015-03-26

Stay - Metal Cover
type: MusicAlbum
date published: 2015-03-31

Stay - Metal Cover
type: MusicAlbum
date published: 2015-03-31

Livin´ La Vida Loca - Metal Cover
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date published: 2015-04-07

Livin´ La Vida Loca - Metal Cover
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date published: 2015-04-07

Ice Ice Baby - Metal Cover
type: MusicAlbum
date published: 2015-04-23

Ice Ice Baby - Metal Cover
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date published: 2015-04-23

Personal Jesus - Acoustic Cover
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date published: 2015-04-27

Personal Jesus - Acoustic Cover
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date published: 2015-04-27

Try - Metal Cover
type: MusicAlbum
date published: 2015-05-04

Try - Metal Cover
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date published: 2015-05-04

Scatman - Metal Cover
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date published: 2015-05-11

Scatman - Metal Cover
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date published: 2015-05-11

Sharp Dressed Man - Metal Cover
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date published: 2015-05-18

Sharp Dressed Man - Metal Cover
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date published: 2015-05-18

Dark Horse - Metal Cover
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date published: 2015-05-26

Dark Horse - Metal Cover
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date published: 2015-05-26

Gangsta´s Paradise (Metal Cover)
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date published: 2015-06-01

Gangsta´s Paradise (Metal Cover)
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date published: 2015-06-01

Moves Like Jagger (Metal Cover)
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date published: 2015-06-08

Moves Like Jagger (Metal Cover)
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Mentos Song (metal cover)
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Mentos Song (metal cover)
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Titanium (Metal Cover)
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Titanium (Metal Cover)
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Never Gonna Give You Up (Metal Cover)
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Never Gonna Give You Up (Metal Cover)
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Macarena (Metal Cover)
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Macarena (Metal Cover)
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Stayin´ Alive (Metal Cover)
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Stayin´ Alive (Metal Cover)
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Gin and Juice (Metal Cover)
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Gin and Juice (Metal Cover)
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Ghostbusters (Metal Cover)
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Ghostbusters (Metal Cover)
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Mambo No. 5 (Metal Cover)
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Mambo No. 5 (Metal Cover)
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Everlong - Acoustic Cover
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Everlong - Acoustic Cover
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Elastic Heart (Metal Cover)
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Elastic Heart (Metal Cover)
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Greased Lightning (Metal Cover)
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date published: 2015-08-24

Greased Lightning (Metal Cover)
type: MusicAlbum
date published: 2015-08-24

Smells like teen spirit (Metal Cover)
type: MusicAlbum
date published: 2015-08-31

Leo Metal Covers Volume 3
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Leo Metal Covers Volume 3
type: MusicAlbum
date published: 2015-08-31

Smells like teen spirit (Metal Cover)
type: MusicAlbum
date published: 2015-08-31

Money, Money, Money (Metal Cover)
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Money, Money, Money (Metal Cover)
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Hey Jude (Metal Cover)
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Hey Jude (Metal Cover)
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Bad Blood (Metal Cover)
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Bad Blood (Metal Cover)
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Sing (Metal Cover)
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Sing (Metal Cover)
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date published: 2015-09-29

Superstition (Metal Cover)
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date published: 2015-10-05

Superstition (Metal Cover)
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True Survivor (Metal Cover)
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True Survivor (Metal Cover)
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(Don´t Fear) The Reaper (Metal Cover)
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(Don´t Fear) The Reaper (Metal Cover)
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Leo Metal Covers Volume 5
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OpenTimestamps Proof of Existence
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date published: 2026-07-03T19:59:51Z

Sing - Metal Cover
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Leo Metal Covers Volume 5
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Firework (Metal Cover)
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The Power of Love (Metal Cover)
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The Power of Love (Metal Cover)
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Firework (Metal Cover)
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Feel Good Inc. (Metal Cover)
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Barbie Girl (Metal Cover)
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Barbie Girl (Metal Cover)
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Hello (Metal Cover)
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Hello (Metal Cover)
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Song 2 (Metal Cover)
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Song 2 (Metal Cover)
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Last Christmas (Metal Cover)
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Last Christmas (Metal Cover)
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Leo Metal Covers Volume 6
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  subject of: OpenTimestamps Proof of Existence
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Leo Metal Covers Volume 6
type: MusicAlbum
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Hotline Bling (Metal Cover)
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Hotline Bling (Metal Cover)
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Mamma Mia (Metal Cover)
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Mamma Mia (Metal Cover)
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Ace of Spades (Metal Cover)
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Ace of Spades (Metal Cover)
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date published: 2015-12-30

Gangnam Style (Metal Cover)
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Gangnam Style (Metal Cover)
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What A Wonderful World (Cover)
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What A Wonderful World (Cover)
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Ex´s & Oh´s (Metal Cover)
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Ex´s & Oh´s (Metal Cover)
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California Dreamin´ (Metal Cover)
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California Dreamin´ (Metal Cover)
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Wannabe (Metal Cover)
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Wannabe (Metal Cover)
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Take Me to Church (Metal Cover)
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Take Me to Church (Metal Cover)
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Get Lucky (Metal Cover)
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Get Lucky (Metal Cover)
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Girl You Know It´s True (Metal Cover)
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Girl You Know It´s True (Metal Cover)
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Leo Metal Covers Volume 7
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    date published: 2026-07-16T12:43:37Z
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    date published: 2026-07-03T21:18:05Z
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Leo Metal Covers Volume 7
type: MusicAlbum
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The Wheels On The Bus (Metal Cover)
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The Wheels On The Bus (Metal Cover)
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Sorry (Metal Cover)
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Sorry (Metal Cover)
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Radioactive (Metal Cover)
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Radioactive (Metal Cover)
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Wrecking Ball (Metal Cover)
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Wrecking Ball (Metal Cover)
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Eye of the Tiger (Metal Cover)
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Eye of the Tiger (Metal Cover)
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Girls Just Want To Have Fun (Metal Cover)
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Girls Just Want To Have Fun (Metal Cover)
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Stressed Out (Metal Cover)
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Stressed Out (Metal Cover)
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Paparazzi (Metal Cover)
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Paparazzi (Metal Cover)
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Danger Zone (Metal Cover) [feat. Eric Calderone]
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Danger Zone (Metal Cover) [feat. Eric Calderone]
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Stitches (Metal Cover)
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Stitches (Metal Cover)
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Leo Metal Covers Volume 8
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Leo Metal Covers Volume 8
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T16:51:38Z
  audio: Sorry (Metal Cover)
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Vertigo (Metal Cover)
type: MusicAlbum
date published: 2016-05-10

Vertigo (Metal Cover)
type: MusicAlbum
date published: 2016-05-10

Redemption Song (Metal Cover)
type: MusicAlbum
date published: 2016-05-16

Redemption Song (Metal Cover)
type: MusicAlbum
date published: 2016-05-16

Cheap Thrills (Metal Cover)
type: MusicAlbum
date published: 2016-05-23

Cheap Thrills (Metal Cover)
type: MusicAlbum
date published: 2016-05-23

Informer (Metal Cover)
type: MusicAlbum
date published: 2016-05-31

Informer (Metal Cover)
type: MusicAlbum
date published: 2016-05-31

I'll Be There for You (Theme from "Friends") [Metal Cover]
type: MusicAlbum
date published: 2016-06-07

I'll Be There for You (Theme from "Friends") [Metal Cover]
type: MusicAlbum
date published: 2016-06-07

Royals (Metal Cover)
type: MusicAlbum
date published: 2016-06-13

Royals (Metal Cover)
type: MusicAlbum
date published: 2016-06-13

Aerials (Acoustic Cover)
type: MusicAlbum
date published: 2016-06-20

Aerials (Acoustic Cover)
type: MusicAlbum
date published: 2016-06-20

Wake Me Up Before You Go-Go (Metal Cover)
type: MusicAlbum
date published: 2016-06-27

Wake Me Up Before You Go-Go (Metal Cover)
type: MusicAlbum
date published: 2016-06-27

Killing In the Name (Metal Cover)
type: MusicAlbum
date published: 2016-07-05

Killing In the Name (Metal Cover)
type: MusicAlbum
date published: 2016-07-05

Leo Metal Covers Volume 9
type: MusicAlbum
date published: 2016-07-11

Somebody That I Used To Know (Metal Cover)
type: MusicAlbum
date published: 2016-07-11

Somebody That I Used To Know (Metal Cover)
type: MusicAlbum
date published: 2016-07-11

Leo Metal Covers Volume 9
type: MusicAlbum
date published: 2016-07-11
track: Redemption Song (Metal Cover)
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T10:47:44Z
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track: I'll Be There for You (Theme from "Friends") [Metal Cover]
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T10:47:44Z
  audio: I'll Be There for You (Theme from "Friends") [Metal Cover]
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Can´t Stop the Feeling (Metal Cover)
type: MusicAlbum
date published: 2016-07-18

Can´t Stop the Feeling (Metal Cover)
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date published: 2016-07-18

Call Me Maybe (Metal Cover)
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Call Me Maybe (Metal Cover)
type: MusicAlbum
date published: 2016-07-25

Zombie (Metal Cover)
type: MusicAlbum
date published: 2016-08-02

Zombie (Metal Cover)
type: MusicAlbum
date published: 2016-08-02

Jump Around (Metal Cover)
type: MusicAlbum
date published: 2016-08-08

Jump Around (Metal Cover)
type: MusicAlbum
date published: 2016-08-08

I Heard It Through the Grapevine (Metal Cover)
type: MusicAlbum
date published: 2016-08-15

I Heard It Through the Grapevine (Metal Cover)
type: MusicAlbum
date published: 2016-08-15

Sober (Acoustic)
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date published: 2016-08-25
track: Sober (Acoustic)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T16:51:38Z
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Sober (Acoustic)
type: MusicAlbum
date published: 2016-08-25

Losing My Religion (Metal Cover)
type: MusicAlbum
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Losing My Religion (Metal Cover)
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Halo (Metal Cover)
type: MusicAlbum
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Halo (Metal Cover)
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Everything Is Awesome (Metal Cover)
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Everything Is Awesome (Metal Cover)
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Heathens (Metal Cover)
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Heathens (Metal Cover)
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Metal Covers, Vol. 10
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date published: 2016-09-22

Metal Covers, Vol. 10
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date published: 2016-09-22
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T16:51:38Z
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    date published: 2026-07-03T01:01:38Z
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe02e3241db784154fa7c70dba0e0815d7f251435e602c18c2ec686534e008feb. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USE831594832.
date published: 2026-07-03T04:03:57Z

I Heard It Through the Grapevine (Metal Cover)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 139.981
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.623
additional property: Energy
  type: PropertyValue
  value: 0.962
additional property: Speechiness
  type: PropertyValue
  value: 0.058
additional property: Acousticness
  type: PropertyValue
  value: 0.005
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.064
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.592
additional property: Loudness (dB)
  type: PropertyValue
  value: -3.864
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Sail (Metal Cover)
type: MusicAlbum
date published: 2016-09-28

Sail (Metal Cover)
type: MusicAlbum
date published: 2016-09-28

While My Guitar Gently Weeps (Metal Cover)
type: MusicAlbum
date published: 2016-10-03

While My Guitar Gently Weeps (Metal Cover)
type: MusicAlbum
date published: 2016-10-03

Love Me Like You Do (Metal Cover)
type: MusicAlbum
date published: 2016-10-12

Love Me Like You Do (Metal Cover)
type: MusicAlbum
date published: 2016-10-12

I Like to Move It (Metal Cover)
type: MusicAlbum
date published: 2016-10-19

Creep (Metal Cover)
type: MusicAlbum
date published: 2016-10-26

Hurt
type: MusicAlbum
date published: 2016-11-02

The Greatest (Metal Cover)
type: MusicAlbum
date published: 2016-11-07

The Greatest (Metal Cover)
type: MusicAlbum
date published: 2016-11-07

The Greatest (Metal Cover)
type: MusicAlbum
date published: 2016-11-07

The Pretender (Metal Cover)
type: MusicAlbum
date published: 2016-11-13

The Pretender (Metal Cover)
type: MusicAlbum
date published: 2016-11-13

Cotton Eye Joe (Metal Cover)
type: MusicAlbum
date published: 2016-11-20

Cotton Eye Joe (Metal Cover)
type: MusicAlbum
date published: 2016-11-20

Hangover
type: MusicAlbum
date published: 2016-11-28

All I Want for Christmas Is You (Metal Cover)
type: MusicAlbum
date published: 2016-11-30

All I Want for Christmas Is You (Metal Cover)
type: MusicAlbum
date published: 2016-11-30

Metal Covers, Vol. 11
type: MusicAlbum
date published: 2016-12-12

Safety Dance (Metal Cover)
type: MusicAlbum
date published: 2016-12-12

Metal Covers, Vol. 11
type: MusicAlbum
date published: 2016-12-13
track: The Greatest (Metal Cover)
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219953
  explicit: false
  by artist: Leo
  in album: Metal Covers, Vol. 11
    type: MusicAlbum
    date published: 2016-12-13
  genre: metal
  isrc code: QZ22B1634412
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T12:21:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xea1e47b0c94be9bbc418552d4dd19fc7e8e6cd677c95ceb8495a5d239045a216
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958286
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958286
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1634412
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T12:43:37Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea1e47b0c94be9bbc418552d4dd19fc7e8e6cd677c95ceb8495a5d239045a216. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1634412.
    date published: 2026-07-16T12:43:37Z
  audio: The Greatest (Metal Cover)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 96.085
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.602
    additional property: Energy
      type: PropertyValue
      value: 0.93
    additional property: Speechiness
      type: PropertyValue
      value: 0.063
    additional property: Acousticness
      type: PropertyValue
      value: 0.002
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.07
    additional property: Liveness
      type: PropertyValue
      value: 0.054
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.46
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.538
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: The Pretender (Metal Cover)
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250433
  explicit: false
  by artist: Leo
  in album: Metal Covers, Vol. 11
    type: MusicAlbum
    date published: 2016-12-13
  genre: metal
  isrc code: QZ22B1634414
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T17:48:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x59d04af554e2924d96e1dca1545a5569376884e84b2f91172130a29da4ff7e81
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957919
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957919
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1634414
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T23:58:45Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59d04af554e2924d96e1dca1545a5569376884e84b2f91172130a29da4ff7e81. Chain 2 (Bitcoin): anchored in block 957919 (2026-07-13T23:58:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1634414.
    date published: 2026-07-13T23:58:45Z
  audio: The Pretender (Metal Cover)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 175.035
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.481
    additional property: Energy
      type: PropertyValue
      value: 0.983
    additional property: Speechiness
      type: PropertyValue
      value: 0.139
    additional property: Acousticness
      type: PropertyValue
      value: 0.011
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.099
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.317
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.412
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Love Me Like You Do (Metal Cover)
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219970
  explicit: false
  by artist: Leo
  in album: Metal Covers, Vol. 11
    type: MusicAlbum
    date published: 2016-12-13
  genre: metal
  isrc code: QZ22B1634415
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T19:43:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x17bec6331fe3af13629c095e82d39ac0419bd9627362d5a1826db83548f456f0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958196
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958196
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Love Me Like You Do (Metal Cover)
track: While My Guitar Gently Weeps (Metal Cover)
track: All I Want For Christmas Is You (Metal Cover)
track: Hurt (Cover)

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1634415

OTSTimestamp
type: PropertyValue
value: 2026-07-15T22:45:36Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17bec6331fe3af13629c095e82d39ac0419bd9627362d5a1826db83548f456f0. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:45:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1634415.
date published: 2026-07-15T22:45:36Z

Love Me Like You Do (Metal Cover)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 126.485
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.67
additional property: Energy
  type: PropertyValue
  value: 0.955
additional property: Speechiness
  type: PropertyValue
  value: 0.041
additional property: Acousticness
  type: PropertyValue
  value: 0.026
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.112
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.607
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.24
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Minor

While My Guitar Gently Weeps (Metal Cover)
type: MusicRecording
duration: PT3M31S
duration ms: 211720
explicit: false
by artist: Leo
in album: Metal Covers, Vol. 11
  type: MusicAlbum
  date published: 2016-12-13
genre: metal
isrc code: QZ22B1634416
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T09:11:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8251a0a84487863b8117cce5cf71724c2001cb2e49d213543e083593013b5e97
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958137
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958137
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1634416
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T09:47:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8251a0a84487863b8117cce5cf71724c2001cb2e49d213543e083593013b5e97. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1634416.
  date published: 2026-07-15T09:47:57Z
audio: While My Guitar Gently Weeps (Metal Cover)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 160.111
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.46
  additional property: Energy
    type: PropertyValue
    value: 0.969
  additional property: Speechiness
    type: PropertyValue
    value: 0.096
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.24
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.418
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.582
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

All I Want For Christmas Is You (Metal Cover)
type: MusicRecording
duration: PT3M44S
duration ms: 224517
explicit: false
by artist: Leo
in album: Metal Covers, Vol. 11
  type: MusicAlbum
  date published: 2016-12-13
genre: metal
isrc code: QZ22B1634417
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T20:43:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x113f1707d4acbe720e1fd0b74ada6c87ea919a2aa9b006a8f6fe7ef9d5d3ac38
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958324
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958324
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1634417
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T23:44:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x113f1707d4acbe720e1fd0b74ada6c87ea919a2aa9b006a8f6fe7ef9d5d3ac38. Chain 2 (Bitcoin): anchored in block 958324 (2026-07-16T23:44:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1634417.
  date published: 2026-07-16T23:44:39Z
audio: All I Want For Christmas Is You (Metal Cover)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.466
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.379
  additional property: Energy
    type: PropertyValue
    value: 0.981
  additional property: Speechiness
    type: PropertyValue
    value: 0.186
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.212
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.114
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.335
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Hurt (Cover)
type: MusicRecording
duration: PT4M57S
duration ms: 297547
explicit: false
by artist: Leo
in album: Metal Covers, Vol. 11
  type: MusicAlbum
  date published: 2016-12-13
genre: metal
isrc code: QZ22B1634418
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T17:03:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb5e02af6b8ec41ecbdba994039f608864e8a6f5f8aed3bf15b1ff8ad8ab560f2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958917
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958917
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1634418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T20:03:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5e02af6b8ec41ecbdba994039f608864e8a6f5f8aed3bf15b1ff8ad8ab560f2. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T20:03:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1634418.
  date published: 2026-07-20T20:03:38Z
audio: Hurt (Cover)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 160.11
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.538
  additional property: Energy
    type: PropertyValue
    value: 0.341
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.9
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.634
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.415
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.351
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Safety Dance (Metal Cover)
type: MusicAlbum
date published: 2016-12-13

Safety Dance (Metal Cover)
type: MusicAlbum
date published: 2016-12-13

Metal Covers, Vol. 11
type: MusicAlbum
date published: 2016-12-13

All That She Wants (Metal Version)
type: MusicAlbum
date published: 2016-12-14

All That She Wants (Metal Version)
type: MusicAlbum
date published: 2016-12-15

All That She Wants (Metal Version)
type: MusicAlbum
date published: 2016-12-15

Sexy and I Know It (Metal Version)
type: MusicAlbum
date published: 2016-12-21

Sexy and I Know It (Metal Version)
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Sexy and I Know It (Metal Version)
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The Final Countdown (Metal Version)
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The Final Countdown (Metal Version)
type: MusicAlbum
date published: 2016-12-29

The Final Countdown (Metal Version)
type: MusicAlbum
date published: 2016-12-29

Waka Waka (This Time for Africa) [Metal Version]
type: MusicAlbum
date published: 2017-01-05

Waka Waka (This Time for Africa) [Metal Version]
type: MusicAlbum
date published: 2017-01-05

Waka Waka (This Time for Africa) [Metal Version]
type: MusicAlbum
date published: 2017-01-05

Maria Magdalena (Metal Version)
type: MusicAlbum
date published: 2017-01-10

Maria Magdalena (Metal Version)
type: MusicAlbum
date published: 2017-01-10

Maria Magdalena (Metal Version)
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Breathe (Metal Version)
type: MusicAlbum
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Breathe (Metal Version)
type: MusicAlbum
date published: 2017-01-14

Breathe (Metal Version)
type: MusicAlbum
date published: 2017-01-14

This Love (Metal Cover)
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date published: 2017-02-02

This Love (Metal Cover)
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date published: 2017-02-02

Californication (Metal Version)
type: MusicAlbum
date published: 2017-02-03

Californication (Metal Version)
type: MusicAlbum
date published: 2017-02-03

Californication (Metal Version)
type: MusicAlbum
date published: 2017-02-03

Come as You Are (Metal Cover)
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date published: 2017-02-08

Come as You Are (Metal Cover)
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date published: 2017-02-08

Metal Covers, Vol. 12
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date published: 2017-02-09

Metal Covers, Vol. 12
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    date published: 2026-07-02T16:51:38Z
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Kiss from a Rose (Metal Cover)
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Kiss from a Rose (Metal Cover)
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Shape of You (Metal Cover)
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Shape of You (Metal Cover)
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Closer (Metal Cover)
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Closer (Metal Cover)
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Highway Star (Metal Cover)
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Highway Star (Metal Cover)
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Like a Prayer (Metal Cover)
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Like a Prayer (Metal Cover)
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Johnny B. Goode (Metal Cover)
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Johnny B. Goode (Metal Cover)
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Insane in the Brain (Metal Cover)
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Insane in the Brain (Metal Cover)
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Genie in a Bottle (Metal Cover)
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Genie in a Bottle (Metal Cover)
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Dancing Queen (Metal Cover)
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Dancing Queen (Metal Cover)
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Duality (Acoustic Cover)
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Metal Covers, Vol. 13
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Duality (Acoustic Cover)
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Metal Covers, Vol. 13
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Don't Speak (Metal Cover)
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Don't Speak (Metal Cover)
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My Favourite Game (Metal Cover)
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My Favourite Game (Metal Cover)
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Friday (Metal Cover)
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Friday (Metal Cover)
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It´s Gonna Be Me (Metal Cover)
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It´s Gonna Be Me (Metal Cover)
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Wonderwall (Metal Cover)
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Wonderwall (Metal Cover)
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Black Hole Sun (Cover)
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Black Hole Sun (Cover)
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The Fresh Prince of Bel-Air Theme Song (Metal Cover)
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The Fresh Prince of Bel-Air Theme Song (Metal Cover)
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Yellow (Metal Cover)
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Yellow (Metal Cover)
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Believer (Metal Version)
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Believer (Metal Version)
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Leo Metal Covers, Vol. 14
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track: My Favourite Game (Metal Cover)
track: Whenever, Wherever (Metal Cover)
track: The Fresh Prince of Bel-Air Theme Song (Metal Cover)
track: It´s Gonna Be Me (Metal Cover)
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f05b898b722518c5d1c9ea165897989fca3243b29350bd3be1c4e8f63e7de3f. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1793121.
date published: 2026-07-17T19:12:23Z

Friday (Metal Cover)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 130.002
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.604
additional property: Energy
  type: PropertyValue
  value: 0.937
additional property: Speechiness
  type: PropertyValue
  value: 0.067
additional property: Acousticness
  type: PropertyValue
  value: 0.001
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.272
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.495
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.695
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Major

My Favourite Game (Metal Cover)
type: MusicRecording
duration: PT4M16S
duration ms: 256667
explicit: false
by artist: Leo
in album: Leo Metal Covers, Vol. 14
  type: MusicAlbum
  date published: 2017-06-24
genre: metal
isrc code: QZ22B1794305
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T21:13:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd7cb125e51c0d0b204ac896995caa59a6c5d97e5f16c35b066a243b95a04093d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958203
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958203
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1794305
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T00:19:03Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7cb125e51c0d0b204ac896995caa59a6c5d97e5f16c35b066a243b95a04093d. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-16T00:19:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1794305.
  date published: 2026-07-16T00:19:03Z
audio: My Favourite Game (Metal Cover)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 149.97
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.505
  additional property: Energy
    type: PropertyValue
    value: 0.96
  additional property: Speechiness
    type: PropertyValue
    value: 0.096
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.265
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.248
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.244
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Whenever, Wherever (Metal Cover)
type: MusicRecording
duration: PT3M36S
duration ms: 216293
explicit: false
by artist: Leo
in album: Leo Metal Covers, Vol. 14
  type: MusicAlbum
  date published: 2017-06-24
genre: metal
isrc code: QZ22B1807517
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T09:21:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4c8f5e825d357100845bc80b6f16f5d113b568da7043416d3bd97f991120fc43
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958137
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958137
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1807517
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T12:24:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c8f5e825d357100845bc80b6f16f5d113b568da7043416d3bd97f991120fc43. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:24:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1807517.
  date published: 2026-07-15T12:24:10Z
audio: Whenever, Wherever (Metal Cover)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.976
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.604
  additional property: Energy
    type: PropertyValue
    value: 0.95
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.006
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.058
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.525
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.194
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Fresh Prince of Bel-Air Theme Song (Metal Cover)
type: MusicRecording
duration: PT3M50S
duration ms: 230267
explicit: false
by artist: Leo
in album: Leo Metal Covers, Vol. 14
  type: MusicAlbum
  date published: 2017-06-24
genre: metal
isrc code: QZ22B1801750
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T03:08:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0c6caebf8070429dc84eda81af3d2c2cb7e8bb1775096fdc7385a2b3a9a2b1a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958234
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958234
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1801750
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T03:46:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0c6caebf8070429dc84eda81af3d2c2cb7e8bb1775096fdc7385a2b3a9a2b1a. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1801750.
  date published: 2026-07-16T03:46:09Z
audio: The Fresh Prince of Bel-Air Theme Song (Metal Cover)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.855
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.419
  additional property: Energy
    type: PropertyValue
    value: 0.839
  additional property: Speechiness
    type: PropertyValue
    value: 0.184
  additional property: Acousticness
    type: PropertyValue
    value: 0.002
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.351
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.511
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.328
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

It´s Gonna Be Me (Metal Cover)
type: MusicRecording
duration: PT3M32S
duration ms: 212824
explicit: false
by artist: Leo
in album: Leo Metal Covers, Vol. 14
  type: MusicAlbum
  date published: 2017-06-24
genre: metal
isrc code: QZ22B1797156
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T12:25:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3634970e759e4e0ae641a7b22bc83959cb289e0e414d0b2dddbec6683f94c944
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956725
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956725
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1797156
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3634970e759e4e0ae641a7b22bc83959cb289e0e414d0b2dddbec6683f94c944. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1797156.
  date published: 2026-07-05T01:12:41Z
audio: It´s Gonna Be Me (Metal Cover)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.978
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.584
  additional property: Energy
    type: PropertyValue
    value: 0.914
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.002
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.356
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.478
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.737
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Black Hole Sun (Cover)
type: MusicRecording
duration: PT5M6S
duration ms: 306437
explicit: false
by artist: Leo
in album: Leo Metal Covers, Vol. 14
  type: MusicAlbum
  date published: 2017-06-24
genre: metal
isrc code: QZ22B1799206
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-02T23:53:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0742d7632c6cfcf0900de081a09d855fddb2e1cfbf247475599d5c341c0c1315
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956422
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956422
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1799206
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T01:01:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0742d7632c6cfcf0900de081a09d855fddb2e1cfbf247475599d5c341c0c1315. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1799206.
  date published: 2026-07-03T01:01:38Z
audio: Black Hole Sun (Cover)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.019
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.615
  additional property: Energy
    type: PropertyValue
    value: 0.689
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.079
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.155
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.261
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Leo Metal Covers, Vol. 14
type: MusicAlbum
date published: 2017-06-24

Whenever, Wherever (Metal Cover)
type: MusicAlbum
date published: 2017-06-24

Whenever, Wherever (Metal Cover)
type: MusicAlbum
date published: 2017-06-24

Mama (Metal Version)
type: MusicAlbum
date published: 2017-07-05

Mama (Metal Version)
type: MusicAlbum
date published: 2017-07-05

Hakuna Matata (Metal Cover)
type: MusicAlbum
date published: 2017-07-08

Hakuna Matata (Metal Cover)
type: MusicAlbum
date published: 2017-07-08

Despacito (Metal Version)
type: MusicAlbum
date published: 2017-07-20

Despacito (Metal Version)
type: MusicAlbum
date published: 2017-07-20

Heavy
type: MusicAlbum
date published: 2017-07-25

Heavy
type: MusicAlbum
date published: 2017-07-25

The Simpsons Theme (Metal Cover)
type: MusicAlbum
date published: 2017-07-30

The Simpsons Theme (Metal Cover)
type: MusicAlbum
date published: 2017-07-30

Burn the Witch (Metal Version)
type: MusicAlbum
date published: 2017-08-08

Burn the Witch (Metal Version)
type: MusicAlbum
date published: 2017-08-08

Africa (Metal Cover)
type: MusicAlbum
date published: 2017-08-11

Africa (Metal Cover)
type: MusicAlbum
date published: 2017-08-11

I Believe I Can Fly
type: MusicAlbum
date published: 2017-08-19

I Believe I Can Fly
type: MusicAlbum
date published: 2017-08-19

Smooth (Metal Cover)
type: MusicAlbum
date published: 2017-08-30

Smooth (Metal Cover)
type: MusicAlbum
date published: 2017-08-30

Walk (Acoustic Version)
type: MusicAlbum
date published: 2017-09-07

Walk (Acoustic Version)
type: MusicAlbum
date published: 2017-09-07

Leo Metal Covers, Vol. 15
type: MusicAlbum
date published: 2017-09-08
track: Mama - Metal Version
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276241
  explicit: false
  by artist: Leo
  in album: Leo Metal Covers, Vol. 15
    type: MusicAlbum
    date published: 2017-09-08
  genre: metal
  isrc code: QZ22B1811022
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T17:39:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0dfd929631d5a0464232e2b5f9fcc40e8f4031940c6a86f2128d6756a88f47a8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1811022
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T18:21:04Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dfd929631d5a0464232e2b5f9fcc40e8f4031940c6a86f2128d6756a88f47a8. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1811022.
    date published: 2026-07-13T18:21:04Z
  audio: Mama - Metal Version
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 180.096
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.442
    additional property: Energy
      type: PropertyValue
      value: 0.96
    additional property: Speechiness
      type: PropertyValue
      value: 0.06
    additional property: Acousticness
      type: PropertyValue
      value: 0.041
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.069
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.524
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.056
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: The Simpsons Theme (Metal Cover)
  type: MusicRecording
  duration: PT1M29S
  duration ms: 89857
  explicit: false
  by artist: Leo
  in album: Leo Metal Covers, Vol. 15
    type: MusicAlbum
    date published: 2017-09-08
  genre: metal
  isrc code: QZ22B1820105
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  audio: The Simpsons Theme (Metal Cover)
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Leo Metal Covers, Vol. 15
type: MusicAlbum
date published: 2017-09-08

White Wedding (Metal Version)
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White Wedding (Metal Version)
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date published: 2017-09-10

Just Give Me a Reason (Metal Version)
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Just Give Me a Reason (Metal Version)
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Someone Like You (Metal Version)
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Someone Like You (Metal Version)
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It´s a Hard-Knock Life (Metal Version)
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It´s a Hard-Knock Life (Metal Version)
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Summer of ´69 (Metal Version)
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Look What You Made Me Do (Metal Version)
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Look What You Made Me Do (Metal Version)
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Summer of ´69 (Metal Version)
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Umbrella (Metal Version)
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Umbrella (Metal Version)
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I Kissed a Girl (Metal Version)
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I Kissed a Girl (Metal Version)
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Free Fallin´ (Metal Version)
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Free Fallin´ (Metal Version)
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I Fink U Freeky (Metal Version)
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I Fink U Freeky (Metal Version)
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Metal, Vol. 16
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  audio: Just Give Me a Reason - Metal Version
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Metal, Vol. 16
type: MusicAlbum
date published: 2017-11-15

The Pink Panther Theme (Metal Version)
type: MusicAlbum
date published: 2017-11-22

Another One Bites the Dust (Metal Version)
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date published: 2017-11-28

Another One Bites the Dust (Metal Version)
type: MusicAlbum
date published: 2017-11-28

Rockin´ Around the Christmas Tree (Metal Version)
type: MusicAlbum
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No Diggity (Metal Version)
type: MusicAlbum
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No Diggity (Metal Version)
type: MusicAlbum
date published: 2017-12-09

Thunder (Metal Version)
type: MusicAlbum
date published: 2017-12-19

Thunder (Metal Version)
type: MusicAlbum
date published: 2017-12-19

Here Comes the Sun (Metal Version)
type: MusicAlbum
date published: 2017-12-23

Here Comes the Sun (Metal Version)
type: MusicAlbum
date published: 2017-12-23

Sledgehammer (Metal Version)
type: MusicAlbum
date published: 2018

Havana (Metal Version)
type: MusicAlbum
date published: 2018

Enter Sandman (Alternative Version)
type: MusicAlbum
date published: 2018-01-03

Enter Sandman (Alternative Version)
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I´m Too Sexy (Metal Version)
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I´m Too Sexy (Metal Version)
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Careless Whisper (Metal Version)
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Careless Whisper (Metal Version)
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date published: 2018-01-17

What´s Up? (Metal Version)
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date published: 2018-01-19

Leo Metal Volume 17
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date published: 2018-01-19

What´s Up? (Metal Version)
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date published: 2018-01-19

Leo Metal Volume 17
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Rockin´ Around the Christmas Tree - Metal Version
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Party Rock Anthem (Metal Version)
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Party Rock Anthem (Metal Version)
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Fortunate Son (Metal Version)
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Fortunate Son (Metal Version)
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Augenzwinkern
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24K Magic (Metal Version)
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24K Magic (Metal Version)
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The Muppet Show Theme (Metal Version)
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date published: 2018-02-23

The Muppet Show Theme (Metal Version)
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date published: 2018-02-23

Born This Way (Metal Version)
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date published: 2018-03-06

Born This Way (Metal Version)
type: MusicAlbum
date published: 2018-03-06

People Are Strange
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date published: 2018-03-07

People Are Strange
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date published: 2018-03-07

Born To Be Wild (Metal Version)
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date published: 2018-03-14

Born To Be Wild (Metal Version)
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date published: 2018-03-14

In My Place (Metal Version)
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date published: 2018-03-21

In My Place (Metal Version)
type: MusicAlbum
date published: 2018-03-21

Sultans of Swing (Metal Version)
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date published: 2018-03-27
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Sultans of Swing (Metal Version)
type: MusicAlbum
date published: 2018-03-27

Jailhouse Rock (Metal Version)
type: MusicAlbum
date published: 2018-04-05

Jailhouse Rock (Metal Version)
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date published: 2018-04-05

Turn Down for What (Metal Version)
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date published: 2018-04-11

Turn Down for What (Metal Version)
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date published: 2018-04-11

Leo Metal, Vol. 18
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Leo Metal, Vol. 18
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Fast Car (Acoustic Version)
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date published: 2018-04-13

Fast Car (Acoustic Version)
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date published: 2018-04-13

MMMBop (Metal Version)
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MMMBop (Metal Version)
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date published: 2018-04-18

Groove is in the Heart (Metal Version)
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date published: 2018-04-25

Groove is in the Heart (Metal Version)
type: MusicAlbum
date published: 2018-04-25

Bitter Sweet Symphony (Metal Version)
type: MusicAlbum
date published: 2018-05-04

Bitter Sweet Symphony (Metal Version)
type: MusicAlbum
date published: 2018-05-04

Folsom Prison Blues (Metal Version)
type: MusicAlbum
date published: 2018-05-11

Folsom Prison Blues (Metal Version)
type: MusicAlbum
date published: 2018-05-11

Wake Me Up (Metal Version)
type: MusicAlbum
date published: 2018-05-19

Wake Me Up (Metal Version)
type: MusicAlbum
date published: 2018-05-19

Smooth Criminal (Metal Version)
type: MusicAlbum
date published: 2018-05-25

Smooth Criminal (Metal Version)
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date published: 2018-05-25

Disco Inferno (Metal Version)
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Disco Inferno (Metal Version)
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I Wanna Dance with Somebody (Metal Version)
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I Wanna Dance with Somebody (Metal Version)
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date published: 2018-06-06

Toxic (Metal Version)
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date published: 2018-06-13

Toxic (Metal Version)
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date published: 2018-06-13

Leo Metal, Vol. 19
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date published: 2026-07-16T05:01:08Z

Disco Inferno (Metal Version)
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Leo Metal, Vol. 19
type: MusicAlbum
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Rock Me Amadeus (Metal Version)
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Rock Me Amadeus (Metal Version)
type: MusicAlbum
date published: 2018-06-20

Ein Team ein Traum
type: MusicAlbum
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SpongeBob Theme Song (Metal Version)
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SpongeBob Theme Song (Metal Version)
type: MusicAlbum
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Havana (Metal Version)
type: MusicAlbum
date published: 2018-07-04

Sledgehammer (Metal Version)
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date published: 2018-07-12

The Ballroom Blitz (Metal Version)
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date published: 2018-07-25

The Ballroom Blitz (Metal Version)
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date published: 2018-07-25

The Fox (What Does the Fox Say?) [Metal Version]
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date published: 2018-08-03

The Fox (What Does the Fox Say?) [Metal Version]
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date published: 2018-08-03

Ironic (Metal Version)
type: MusicAlbum
date published: 2018-08-14

Ironic (Metal Version)
type: MusicAlbum
date published: 2018-08-14

The Look (Metal Version)
type: MusicAlbum
date published: 2018-08-21

The Look (Metal Version)
type: MusicAlbum
date published: 2018-08-21

This Is America (Metal Version)
type: MusicAlbum
date published: 2018-08-24

This Is America (Metal Version)
type: MusicAlbum
date published: 2018-08-24

The Bad Touch (Metal Version)
type: MusicAlbum
date published: 2018-08-30

The Bad Touch (Metal Version)
type: MusicAlbum
date published: 2018-08-30

Leo Metal, Vol. 20
type: MusicAlbum
date published: 2018-09-01

Leo Metal, Vol. 20
type: MusicAlbum
date published: 2018-09-01
track: Sledgehammer (Metal Version)
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-13T11:26:33Z
  audio: Sledgehammer (Metal Version)
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Rehab (Metal Version)
type: MusicAlbum
date published: 2018-09-06

Rehab (Metal Version)
type: MusicAlbum
date published: 2018-09-06

Sabotage (Metal Version)
type: MusicAlbum
date published: 2018-09-13

Sabotage (Metal Version)
type: MusicAlbum
date published: 2018-09-13

Lose Yourself (Metal Version)
type: MusicAlbum
date published: 2018-09-19

Lose Yourself (Metal Version)
type: MusicAlbum
date published: 2018-09-19

Hey Ya! (Metal Version)
type: MusicAlbum
date published: 2018-09-26

Hey Ya! (Metal Version)
type: MusicAlbum
date published: 2018-09-26

Hollaback Girl (Metal Version)
type: MusicAlbum
date published: 2018-10-04

Hollaback Girl (Metal Version)
type: MusicAlbum
date published: 2018-10-04

Baby Shark (Metal Version)
type: MusicAlbum
date published: 2018-10-10
track: Baby Shark (Metal Version)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T10:01:46Z
  audio: Baby Shark (Metal Version)
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Baby Shark (Metal Version)
type: MusicAlbum
date published: 2018-10-10

Hold the Line (Metal Version)
type: MusicAlbum
date published: 2018-10-16

Hold the Line (Metal Version)
type: MusicAlbum
date published: 2018-10-16

This is Halloween (Metal Version)
type: MusicAlbum
date published: 2018-10-24

This is Halloween (Metal Version)
type: MusicAlbum
date published: 2018-10-24

Pokemon Theme (Metal Version)
type: MusicAlbum
date published: 2018-11-01

Pokemon Theme (Metal Version)
type: MusicAlbum
date published: 2018-11-01

Money for Nothing (Metal Version)
type: MusicAlbum
date published: 2018-11-08

Money for Nothing (Metal Version)
type: MusicAlbum
date published: 2018-11-08

Leo Metal, Vol. 21
type: MusicAlbum
date published: 2018-11-08
track: Hollaback Girl (Metal Version)
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T16:51:38Z
  audio: Hollaback Girl (Metal Version)
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Leo Metal, Vol. 21
type: MusicAlbum
date published: 2018-11-08

F*****g Hostile (Alternative Version)
type: MusicAlbum
date published: 2018-11-15

F*****g Hostile (Alternative Version)
type: MusicAlbum
date published: 2018-11-15

Spiderman Theme (Metal Version)
type: MusicAlbum
date published: 2018-11-28
track: Spiderman Theme (Metal Version)
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T01:01:38Z
  audio: Spiderman Theme (Metal Version)
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Spiderman Theme (Metal Version)
type: MusicAlbum
date published: 2018-11-28

Tubthumping (Metal Version)
type: MusicAlbum
date published: 2018-11-30

Tubthumping (Metal Version)
type: MusicAlbum
date published: 2018-11-30

Run Rudolph Run (Metal Version)
type: MusicAlbum
date published: 2018-12-05

Run Rudolph Run (Metal Version)
type: MusicAlbum
date published: 2018-12-05

Baby´s On Fire (Metal Version)
type: MusicAlbum
date published: 2018-12-17

Baby´s On Fire (Metal Version)
type: MusicAlbum
date published: 2018-12-17

Baby Boy (Metal Version)
type: MusicAlbum
date published: 2018-12-29

Baby Boy (Metal Version)
type: MusicAlbum
date published: 2018-12-29

Twinkle, Twinkle, Little Star (Metal Version)
type: MusicAlbum
date published: 2019-01-04

Twinkle, Twinkle, Little Star (Metal Version)
type: MusicAlbum
date published: 2019-01-04

Pretty Fly (For a White Guy) [Metal Version]
type: MusicAlbum
date published: 2019-01-14

Pretty Fly (For a White Guy) [Metal Version]
type: MusicAlbum
date published: 2019-01-14

Thunderstruck (Metal Version)
type: MusicAlbum
date published: 2019-01-16

Thunderstruck (Metal Version)
type: MusicAlbum
date published: 2019-01-16

Space Jam (Metal Version)
type: MusicAlbum
date published: 2019-01-24

Space Jam (Metal Version)
type: MusicAlbum
date published: 2019-01-24

Leo Metal, Vol. 22
type: MusicAlbum
date published: 2019-02-04

Leo Metal, Vol. 22
type: MusicAlbum
date published: 2019-02-04
track: F*****g Hostile (Alternative Version)
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-04T14:03:39Z
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track: Space Jam (Metal Version)
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-17T03:47:04Z
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      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Run Rudolph Run (Metal Version)
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181850
  explicit: false
  by artist: Leo
  in album: Leo Metal, Vol. 22
    type: MusicAlbum
    date published: 2019-02-04
  genre: metal
  isrc code: QZ22B2037361
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T06:55:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xca57afa8ddcb3a6c117cd45cfa0b1bd83cba91ca2edaca38ee11a0f036576e94
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956656
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956656
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Run Rudolph Run (Metal Version)
track: Spiderman Theme (Metal Version)

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2037361

OTSTimestamp
type: PropertyValue
value: 2026-07-04T14:03:39Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca57afa8ddcb3a6c117cd45cfa0b1bd83cba91ca2edaca38ee11a0f036576e94. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2037361.
date published: 2026-07-04T14:03:39Z

Run Rudolph Run (Metal Version)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 169.918
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.52
additional property: Energy
  type: PropertyValue
  value: 0.839
additional property: Speechiness
  type: PropertyValue
  value: 0.047
additional property: Acousticness
  type: PropertyValue
  value: 0.001
additional property: Instrumentalness
  type: PropertyValue
  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.358
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.614
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.943
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Spiderman Theme (Metal Version)
type: MusicRecording
duration: PT2M14S
duration ms: 134763
explicit: false
by artist: Leo
in album: Leo Metal, Vol. 22
  type: MusicAlbum
  date published: 2019-02-04
genre: metal
isrc code: QZ22B2030354
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-30T00:38:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x37de4c686c8cfcda2b4d19d2586879081cdf51ebe6b5c81adc94ac163f03d612
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2030354
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37de4c686c8cfcda2b4d19d2586879081cdf51ebe6b5c81adc94ac163f03d612. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2030354.
  date published: 2026-07-02T16:51:38Z
audio: Spiderman Theme (Metal Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.002
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.571
  additional property: Energy
    type: PropertyValue
    value: 0.967
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.648
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.334
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ring of Fire (Metal Version)
type: MusicAlbum
date published: 2019-02-05

Ring of Fire (Metal Version)
type: MusicAlbum
date published: 2019-02-05

Thriller (Metal Version)
type: MusicAlbum
date published: 2019-02-07

Thriller (Metal Version)
type: MusicAlbum
date published: 2019-02-07

Give It Away (Metal Version)
type: MusicAlbum
date published: 2019-02-19

Give It Away (Metal Version)
type: MusicAlbum
date published: 2019-02-19

No Scrubs (Metal Version)
type: MusicAlbum
date published: 2019-02-20

No Scrubs (Metal Version)
type: MusicAlbum
date published: 2019-02-20

Blurred Lines (Metal Version)
type: MusicAlbum
date published: 2019-02-28

Blurred Lines (Metal Version)
type: MusicAlbum
date published: 2019-02-28

Firestarter (Metal Version)
type: MusicAlbum
date published: 2019-03-08

Firestarter (Metal Version)
type: MusicAlbum
date published: 2019-03-08

Friends in Low Places (Metal Version)
type: MusicAlbum
date published: 2019-03-14

Friends in Low Places (Metal Version)
type: MusicAlbum
date published: 2019-03-14

The Power (Metal Version)
type: MusicAlbum
date published: 2019-03-27

The Power (Metal Version)
type: MusicAlbum
date published: 2019-03-27

Sucker (Metal Version)
type: MusicAlbum
date published: 2019-04-03

Sucker (Metal Version)
type: MusicAlbum
date published: 2019-04-03

If You're Happy and You Know It (Metal Version)
type: MusicAlbum
date published: 2019-04-08

Leo Metal, Vol. 23
type: MusicAlbum
date published: 2019-04-08
track: Firestarter (Metal Version)
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214714
  explicit: false
  by artist: Leo
  in album: Leo Metal, Vol. 23
    type: MusicAlbum
    date published: 2019-04-08
  genre: metal
  isrc code: QZ22B2076524
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-30T00:40:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa14721760f920c6e962133e216cd47bd50d36b2223d8a622c587160d8ae1272f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2076524
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa14721760f920c6e962133e216cd47bd50d36b2223d8a622c587160d8ae1272f. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2076524.
    date published: 2026-07-02T16:51:38Z
  audio: Firestarter (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.007
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.563
    additional property: Energy
      type: PropertyValue
      value: 0.965
    additional property: Speechiness
      type: PropertyValue
      value: 0.095
    additional property: Acousticness
      type: PropertyValue
      value: 0.002
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.01
    additional property: Liveness
      type: PropertyValue
      value: 0.083
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.387
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.29
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Give It Away (Metal Version)
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207215
  explicit: false
  by artist: Leo
  in album: Leo Metal, Vol. 23
    type: MusicAlbum
    date published: 2019-04-08
  genre: metal
  isrc code: QZ22B2067981
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-30T00:40:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0987349692344a08ba5dd6968cc41315b419abf6ffb0d24374db88ff16c80125
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2067981
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0987349692344a08ba5dd6968cc41315b419abf6ffb0d24374db88ff16c80125. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2067981.
    date published: 2026-07-02T16:51:38Z
  audio: Give It Away (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.034
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.589
    additional property: Energy
      type: PropertyValue
      value: 0.967
    additional property: Speechiness
      type: PropertyValue
      value: 0.1
    additional property: Acousticness
      type: PropertyValue
      value: 0.011
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.037
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.38
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.192
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: No Scrubs (Metal Version)
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211428
  explicit: false
  by artist: Leo
  in album: Leo Metal, Vol. 23
    type: MusicAlbum
    date published: 2019-04-08
  genre: metal
  isrc code: QZ22B2070080
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-30T00:41:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x29e82846241c570142e60b783713924c6d40dbb03356cc7b2af58f2060ce0a43
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: No Scrubs (Metal Version)
track: The Power (Metal Version)
track: Friends in Low Places (Metal Version)
track: Sucker (Metal Version)

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2070080

OTSTimestamp
type: PropertyValue
value: 2026-07-02T16:51:38Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29e82846241c570142e60b783713924c6d40dbb03356cc7b2af58f2060ce0a43. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2070080.
date published: 2026-07-02T16:51:38Z

No Scrubs (Metal Version)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 105.121
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.651
additional property: Energy
  type: PropertyValue
  value: 0.901
additional property: Speechiness
  type: PropertyValue
  value: 0.038
additional property: Acousticness
  type: PropertyValue
  value: 0.004
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.448
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.454
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.344
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Minor

The Power (Metal Version)
type: MusicRecording
duration: PT3M47S
duration ms: 227348
explicit: false
by artist: Leo
in album: Leo Metal, Vol. 23
  type: MusicAlbum
  date published: 2019-04-08
genre: metal
isrc code: QZ22B2084646
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T13:33:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x164f6d49dd5629ee8b6675cd9d6bd186550448d5b0fdbd06759c60cf1573642b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958742
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2084646
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T16:36:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x164f6d49dd5629ee8b6675cd9d6bd186550448d5b0fdbd06759c60cf1573642b. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:36:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2084646.
  date published: 2026-07-19T16:36:02Z
audio: The Power (Metal Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.983
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.651
  additional property: Energy
    type: PropertyValue
    value: 0.909
  additional property: Speechiness
    type: PropertyValue
    value: 0.094
  additional property: Acousticness
    type: PropertyValue
    value: 0.003
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.327
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.356
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.531
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Friends in Low Places (Metal Version)
type: MusicRecording
duration: PT4M6S
duration ms: 246293
explicit: false
by artist: Leo
in album: Leo Metal, Vol. 23
  type: MusicAlbum
  date published: 2019-04-08
genre: metal
isrc code: QZ22B2078868
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-13T17:47:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7403a0264ac6659cf23a0331dfd6d26dddfa419db7dbf8c5b938a9f3605b01d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2078868
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T18:21:04Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7403a0264ac6659cf23a0331dfd6d26dddfa419db7dbf8c5b938a9f3605b01d4. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2078868.
  date published: 2026-07-13T18:21:04Z
audio: Friends in Low Places (Metal Version)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.565
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.365
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.376
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.367
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sucker (Metal Version)
type: MusicRecording
duration: PT4M0S
duration ms: 240541
explicit: false
by artist: Leo
in album: Leo Metal, Vol. 23
  type: MusicAlbum
  date published: 2019-04-08
genre: metal
isrc code: QZ22B2087776
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x9a7d5bf137ee5a8d282ef390aff269e3f3345f26356c6631b034c4aa0be2e4ab
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958303
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2087776
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T16:39:24Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a7d5bf137ee5a8d282ef390aff269e3f3345f26356c6631b034c4aa0be2e4ab. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T16:39:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2087776.
  date published: 2026-07-16T16:39:24Z
audio: Sucker (Metal Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.846
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.174
  additional property: Key Name
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    value: F#
  additional property: Mode Name
    type: PropertyValue
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If You're Happy and You Know It (Metal Version)
type: MusicAlbum
date published: 2019-04-08

Leo Metal, Vol. 23
type: MusicAlbum
date published: 2019-04-08

Game of Thrones Theme (Metal Version)
type: MusicAlbum
date published: 2019-04-17

Game of Thrones Theme (Metal Version)
type: MusicAlbum
date published: 2019-04-17

Our House (Metal Version)
type: MusicAlbum
date published: 2019-04-24

Leo Does Children´s Metal Songs
type: MusicAlbum
date published: 2019-04-24

Leo Does Children´s Metal Songs
type: MusicAlbum
date published: 2019-04-24
track: The Muppet Show Theme (Metal Version)
  type: MusicRecording
  duration: PT2M0S
  duration ms: 120672
  explicit: false
  by artist: Leo
  in album: Leo Does Children´s Metal Songs
    type: MusicAlbum
    date published: 2019-04-24
  genre: metal
  isrc code: QZ22B1904849
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1904849
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17955f4be8a0a0a9a519e63211b766d9d41044414d0534049412fa03ed8e7054. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1904849.
    date published: 2026-07-05T01:43:49Z
  audio: The Muppet Show Theme (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.641
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.005
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.007
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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      value: -5.319
    additional property: Key Name
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track: Pokemon Theme (Metal Version)
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211297
  explicit: false
  by artist: Leo
  in album: Leo Does Children´s Metal Songs
    type: MusicAlbum
    date published: 2019-04-24
  genre: metal
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x55ed84886042f8a9d2b2fafea2cfd60089db5fbb453d45e202e4fa7a4b0f1d01
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2021152
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T10:51:59Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55ed84886042f8a9d2b2fafea2cfd60089db5fbb453d45e202e4fa7a4b0f1d01. Chain 2 (Bitcoin): anchored in block 958263 (2026-07-16T10:51:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2021152.
    date published: 2026-07-16T10:51:59Z
  audio: Pokemon Theme (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.51
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.003
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.194
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.553
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.814
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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track: Spiderman Theme (Metal Version)
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134763
  explicit: false
  by artist: Leo
  in album: Leo Does Children´s Metal Songs
    type: MusicAlbum
    date published: 2019-04-24
  genre: metal
  isrc code: QZ22B2030354
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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    value: 2026-06-30T00:38:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x37de4c686c8cfcda2b4d19d2586879081cdf51ebe6b5c81adc94ac163f03d612
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  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Spiderman Theme (Metal Version)
track: Baby Shark (Metal Version)
track: If You're Happy and You Know It (Metal Version)
track: SpongeBob Theme Song (Metal Version)
track: The Pink Panther Theme - Metal Version

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2030354

OTSTimestamp
type: PropertyValue
value: 2026-07-05T01:12:41Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37de4c686c8cfcda2b4d19d2586879081cdf51ebe6b5c81adc94ac163f03d612. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2030354.
date published: 2026-07-05T01:12:41Z

Spiderman Theme (Metal Version)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 113.002
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.571
additional property: Energy
  type: PropertyValue
  value: 0.967
additional property: Speechiness
  type: PropertyValue
  value: 0.066
additional property: Acousticness
  type: PropertyValue
  value: 0.001
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.126
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.648
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.334
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

Baby Shark (Metal Version)
type: MusicRecording
duration: PT3M30S
duration ms: 210844
explicit: false
by artist: Leo
in album: Leo Does Children´s Metal Songs
  type: MusicAlbum
  date published: 2019-04-24
genre: metal
isrc code: QZ22B2010527
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T19:24:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf870fab6da01bacd7355f5d178cb692590a238c005ae8a7859470f684cc9bb65
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2010527
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf870fab6da01bacd7355f5d178cb692590a238c005ae8a7859470f684cc9bb65. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2010527.
  date published: 2026-07-02T16:51:38Z
audio: Baby Shark (Metal Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.006
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.377
  additional property: Valence (Positivity)
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    value: 0.449
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.063
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

If You're Happy and You Know It (Metal Version)
type: MusicRecording
duration: PT3M9S
duration ms: 189156
explicit: false
by artist: Leo
in album: Leo Does Children´s Metal Songs
  type: MusicAlbum
  date published: 2019-04-24
genre: metal
isrc code: QZ22B2090125
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T03:15:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9df5256151be598934543cf5c1597e761a39935e7151010c3dbc87858bd5b0fc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956476
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2090125
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T09:04:44Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9df5256151be598934543cf5c1597e761a39935e7151010c3dbc87858bd5b0fc. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B2090125.
  date published: 2026-07-03T09:04:44Z
audio: If You're Happy and You Know It (Metal Version)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.011
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.725
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major

SpongeBob Theme Song (Metal Version)
type: MusicRecording
duration: PT1M40S
duration ms: 100360
explicit: false
by artist: Leo
in album: Leo Does Children´s Metal Songs
  type: MusicAlbum
  date published: 2019-04-24
genre: metal
isrc code: QZ22B1967155
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T15:08:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x165e848b247b0fea58941551286f7bf2dc35dc7075c3d2817b681fd7bf51d894
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958430
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958430
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1967155
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T15:33:28Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x165e848b247b0fea58941551286f7bf2dc35dc7075c3d2817b681fd7bf51d894. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1967155.
  date published: 2026-07-17T15:33:28Z
audio: SpongeBob Theme Song (Metal Version)
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  additional property: Tempo (BPM)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T10:01:46Z
audio: The Pink Panther Theme - Metal Version
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Our House (Metal Version)
type: MusicAlbum
date published: 2019-04-24

Vogue (Metal Version)
type: MusicAlbum
date published: 2019-04-30

Vogue (Metal Version)
type: MusicAlbum
date published: 2019-04-30

In The Shadows (Metal Version)
type: MusicAlbum
date published: 2019-05-09

In The Shadows (Metal Version)
type: MusicAlbum
date published: 2019-05-09

Old Town Road (Metal Version)
type: MusicAlbum
date published: 2019-05-16

Old Town Road (Metal Version)
type: MusicAlbum
date published: 2019-05-16

Bad Guy (Metal Version)
type: MusicAlbum
date published: 2019-05-23

Bad Guy (Metal Version)
type: MusicAlbum
date published: 2019-05-23

Jolene (Metal Version)
type: MusicAlbum
date published: 2019-05-30

Jolene (Metal Version)
type: MusicAlbum
date published: 2019-05-30

Banana Brain (Metal Version)
type: MusicAlbum
date published: 2019-06-07

Banana Brain (Metal Version)
type: MusicAlbum
date published: 2019-06-07

Livin´On A Prayer (Metal Version)
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Livin´On A Prayer (Metal Version)
type: MusicAlbum
date published: 2019-06-11

The Sign (Metal Version)
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date published: 2019-06-20

Leo Metal, Vol. 24
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T10:01:46Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Banana Brain (Metal Version)
track: The Sign (Metal Version)

OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-15T23:49:35Z

Banana Brain (Metal Version)
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The Sign (Metal Version)
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Leo Metal, Vol. 24
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date published: 2019-06-20

The House of the Rising Sun (Metal Version)
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The House of the Rising Sun (Metal Version)
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Know Your Enemy (Leo Version)
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Know Your Enemy (Leo Version)
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(You Drive Me) Crazy (Metal Version)
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(You Drive Me) Crazy (Metal Version)
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Take Me Home, Country Roads (Metal Version)
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Take Me Home, Country Roads (Metal Version)
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All the Things She Said (Metal Version)
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All the Things She Said (Metal Version)
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Circle of Life (Metal Version)
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Circle of Life (Metal Version)
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Should I Stay or Should I Go (Metal Version)
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Should I Stay or Should I Go (Metal Version)
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Smack My Bitch Up (Metal Version)
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Smack My Bitch Up (Metal Version)
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Purple Haze (Metal Version)
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Purple Haze (Metal Version)
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99 Luftballons (Metal Version)
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99 Luftballons (Metal Version)
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Leo Metal, Vol. 25
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track: Know Your Enemy (Leo Version)
  type: MusicRecording
  duration: PT4M43S
  duration ms: 283664
  explicit: true
  by artist: Leo
  in album: Leo Metal, Vol. 25
    type: MusicAlbum
    date published: 2019-09-01
  genre: metal
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956474
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1930913
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18dfd63e719972a0a9a0644ffb611976d664480be666da15bf2a0e3ff38575dd. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1930913.
    date published: 2026-07-03T08:56:35Z
  audio: Know Your Enemy (Leo Version)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: (You Drive Me) Crazy (Metal Version)
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  explicit: false
  by artist: Leo
  in album: Leo Metal, Vol. 25
    type: MusicAlbum
    date published: 2019-09-01
  genre: metal
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957891
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: (You Drive Me) Crazy (Metal Version)
track: Purple Haze (Metal Version)

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1936102

OTSTimestamp
type: PropertyValue
value: 2026-07-13T18:21:04Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x992f08f5037ca3a32931e536b9fe00823d77e73adbba32285b62b4b18e6db606. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1936102.
date published: 2026-07-13T18:21:04Z

(You Drive Me) Crazy (Metal Version)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 120.041
additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Purple Haze (Metal Version)
type: MusicRecording
duration: PT3M38S
duration ms: 218936
explicit: false
by artist: Leo
in album: Leo Metal, Vol. 25
  type: MusicAlbum
  date published: 2019-09-01
genre: metal
isrc code: QZGWW1955562
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958146
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1955562
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T10:33:22Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b2ba4743d1ab79bc513f8686a0caf98ff44fdca26dd55b71f1700897f1bc345. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1955562.
  date published: 2026-07-15T10:33:22Z
audio: Purple Haze (Metal Version)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.908
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Minor

Leo Metal, Vol. 25
type: MusicAlbum
date published: 2019-09-01

Mustang Sally (Metal Version)
type: MusicAlbum
date published: 2019-09-10

Mustang Sally (Metal Version)
type: MusicAlbum
date published: 2019-09-10

Billie Jean (Metal Version)
type: MusicAlbum
date published: 2019-09-13

Billie Jean (Metal Version)
type: MusicAlbum
date published: 2019-09-13

What´s New Pussycat (Metal Version)
type: MusicAlbum
date published: 2019-09-19

What´s New Pussycat (Metal Version)
type: MusicAlbum
date published: 2019-09-19

Painkiller (Acoustic Version)
type: MusicAlbum
date published: 2019-09-27

Painkiller (Acoustic Version)
type: MusicAlbum
date published: 2019-09-27

Truth Hurts (Metal Version)
type: MusicAlbum
date published: 2019-10-03

Truth Hurts (Metal Version)
type: MusicAlbum
date published: 2019-10-03

Bad Boys (Metal Version)
type: MusicAlbum
date published: 2019-10-10

Bad Boys (Metal Version)
type: MusicAlbum
date published: 2019-10-10

American Idiot (Metal Version)
type: MusicAlbum
date published: 2019-10-17

American Idiot (Metal Version)
type: MusicAlbum
date published: 2019-10-17

The Addams Family Theme (Metal Version)
type: MusicAlbum
date published: 2019-10-28

The Addams Family Theme (Metal Version)
type: MusicAlbum
date published: 2019-10-28

Sweet but Psycho (Metal Version)
type: MusicAlbum
date published: 2019-10-31

Sweet but Psycho (Metal Version)
type: MusicAlbum
date published: 2019-10-31

Loser (Metal Version)
type: MusicAlbum
date published: 2019-11-07

Loser (Metal Version)
type: MusicAlbum
date published: 2019-11-07

Leo Metal, Vol. 26
type: MusicAlbum
date published: 2019-11-08
track: Loser (Metal Version)
  type: MusicRecording
  duration: PT4M15S
  duration ms: 255447
  explicit: false
  by artist: Leo
  in album: Leo Metal, Vol. 26
    type: MusicAlbum
    date published: 2019-11-08
  genre: metal
  isrc code: QZGWW1992002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1992002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T18:21:04Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde6e7ea1ec7c6f7185d0a40d6c64c1b3aeebeb4f44ee3381f40e8b52981a686d. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1992002.
    date published: 2026-07-13T18:21:04Z
  audio: Loser (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 90.015
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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track: Painkiller (Acoustic Version)
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213213
  explicit: false
  by artist: Leo
  in album: Leo Metal, Vol. 26
    type: MusicAlbum
    date published: 2019-11-08
  genre: metal
  isrc code: QZGWW1971423
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958544
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1971423
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T12:14:37Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x424046379d802423ee63fd97fc1fc7b06e58d30ac52bb9967cfd20b41785dd66. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1971423.
    date published: 2026-07-18T12:14:37Z
  audio: Painkiller (Acoustic Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.008
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.659
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.035
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.465
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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track: Mustang Sally (Metal Version)
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202625
  explicit: false
  by artist: Leo
  in album: Leo Metal, Vol. 26
    type: MusicAlbum
    date published: 2019-11-08
  genre: metal
  isrc code: QZGWW1961820
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7ab02f5d820607685f1852247e6ef06a79dddec6c54b776755ed297a77c0f856
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958461
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Mustang Sally (Metal Version)
track: Bad Boys (Metal Version)
track: Truth Hurts (Metal Version)
track: What´s New Pussycat (Metal Version)

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1961820

OTSTimestamp
type: PropertyValue
value: 2026-07-17T23:18:11Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ab02f5d820607685f1852247e6ef06a79dddec6c54b776755ed297a77c0f856. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1961820.
date published: 2026-07-17T23:18:11Z

Mustang Sally (Metal Version)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 160.011
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.537
additional property: Energy
  type: PropertyValue
  value: 0.928
additional property: Speechiness
  type: PropertyValue
  value: 0.056
additional property: Acousticness
  type: PropertyValue
  value: 0.001
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.35
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.494
additional property: Loudness (dB)
  type: PropertyValue
  value: -4.769
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

Bad Boys (Metal Version)
type: MusicRecording
duration: PT2M59S
duration ms: 179428
explicit: false
by artist: Leo
in album: Leo Metal, Vol. 26
  type: MusicAlbum
  date published: 2019-11-08
genre: metal
isrc code: QZGWW1977737
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T19:29:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x924eedc6ac1529930eb9e38c8632790f0a26268caef51233fa392098dd5b6f90
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW1977737
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-02T16:51:38Z
audio: Bad Boys (Metal Version)
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Truth Hurts (Metal Version)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-15T10:33:22Z
audio: Truth Hurts (Metal Version)
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What´s New Pussycat (Metal Version)
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-21T16:41:00Z
audio: What´s New Pussycat (Metal Version)
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Leo Metal, Vol. 26
type: MusicAlbum
date published: 2019-11-08

Peanut Butter Jelly Time (Metal Version)
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date published: 2019-11-14

Peanut Butter Jelly Time (Metal Version)
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date published: 2019-11-14

Down Under (Metal Version)
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date published: 2019-11-22

Down Under (Metal Version)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-16T02:28:43Z
  audio: Down Under (Metal Version)
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Ob-La-Di, Ob-La-Da (Metal Version)
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date published: 2019-12-02

Ob-La-Di, Ob-La-Da (Metal Version)
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date published: 2019-12-02

I Saw Mommy Kissing Santa Claus (Metal Version)
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I Saw Mommy Kissing Santa Claus (Metal Version)
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date published: 2019-12-06

You´re the Voice (Metal Version)
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date published: 2019-12-13

You´re the Voice (Metal Version)
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date published: 2019-12-13

Dance Monkey (Metal Version)
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date published: 2019-12-23

Dance Monkey (Metal Version)
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date published: 2019-12-23
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-17T05:03:25Z
  audio: Dance Monkey (Metal Version)
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It´s the End of the World as We Know It (Metal Version)
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date published: 2019-12-30

It´s the End of the World as We Know It (Metal Version)
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date published: 2019-12-30

It´s Tricky (Metal Version)
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date published: 2020

Toss a Coin to Your Witcher (Metal Version)
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Toss a Coin to Your Witcher (Metal Version)
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Leave Me Alone (Metal Version)
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Leave Me Alone (Metal Version)
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date published: 2020-01-13

Tom Sawyer (Metal Version)
type: MusicAlbum
date published: 2020-01-16

Tom Sawyer (Metal Version)
type: MusicAlbum
date published: 2020-01-16

Leo Metal, Vol. 27
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    date published: 2026-07-02T16:51:38Z
  audio: Leave Me Alone (Metal Version)
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    date published: 2026-07-02T16:51:38Z
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: I Saw Mommy Kissing Santa Claus (Metal Version)

OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
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encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0c1ea45f1176d899d0d7472cc57521d184772e8eed92ab4e8cc93ecc7cbb57e. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:27:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW2006941.
date published: 2026-07-16T05:27:27Z

I Saw Mommy Kissing Santa Claus (Metal Version)
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Leo Metal, Vol. 27
type: MusicAlbum
date published: 2020-01-17

Into the Unknown (Metal Version)
type: MusicAlbum
date published: 2020-01-23

Into the Unknown (Metal Version)
type: MusicAlbum
date published: 2020-01-23

Carry On Wayward Son (Metal Version)
type: MusicAlbum
date published: 2020-01-30

Paint It Black (Metal Version)
type: MusicAlbum
date published: 2020-02-06

Bring the Noise (Frog Leap Version)
type: MusicAlbum
date published: 2020-02-12

Bring the Noise (Frog Leap Version)
type: MusicAlbum
date published: 2020-02-12

Doctor Jones (Metal Version)
type: MusicAlbum
date published: 2020-02-28

Doctor Jones (Metal Version)
type: MusicAlbum
date published: 2020-02-28

Jump (Metal Version)
type: MusicAlbum
date published: 2020-03-04

Jump (Metal Version)
type: MusicAlbum
date published: 2020-03-04

Narcotic (Metal Version)
type: MusicAlbum
date published: 2020-03-13

Narcotic (Metal Version)
type: MusicAlbum
date published: 2020-03-13

Work It (Metal Version)
type: MusicAlbum
date published: 2020-03-27

Work It (Metal Version)
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date published: 2020-03-27

Don´t Start Now (Metal Version)
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date published: 2020-04-03

Don´t Start Now (Metal Version)
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date published: 2020-04-03

Blinding Lights (Metal Version)
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date published: 2020-04-09

Blinding Lights (Metal Version)
type: MusicAlbum
date published: 2020-04-09

Leo Metal, Vol. 28
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date published: 2020-04-13

Leo Metal, Vol. 28
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date published: 2020-04-13
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-15T11:21:34Z
  audio: Into the Unknown (Metal Version)
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track: Doctor Jones (Metal Version)
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T16:51:38Z
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track: Don´t Start Now (Metal Version)
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  subject of: OpenTimestamps Proof of Existence
  audio: Don´t Start Now (Metal Version)

OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
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date published: 2026-07-17T12:50:13Z

Don´t Start Now (Metal Version)
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Applause (Metal Version)
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date published: 2020-04-17

Applause (Metal Version)
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date published: 2020-04-17

Hot Stuff (Metal Version)
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date published: 2020-04-23

Hot Stuff (Metal Version)
type: MusicAlbum
date published: 2020-04-23

I'm Still Standing (Metal Version)
type: MusicAlbum
date published: 2020-05-06
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T01:25:57Z
  audio: I'm Still Standing - Metal Version
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I'm Still Standing (Metal Version)
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date published: 2020-05-06

Beds Are Burning (Metal Version)
type: MusicAlbum
date published: 2020-05-07

Beds Are Burning (Metal Version)
type: MusicAlbum
date published: 2020-05-07

Tragedy (Metal Version)
type: MusicAlbum
date published: 2020-05-14

Tragedy (Metal Version)
type: MusicAlbum
date published: 2020-05-14

Daydreaming (Leo Version)
type: MusicAlbum
date published: 2020-05-21

Daydreaming (Leo Version)
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Back in Black (Metal Version)
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date published: 2020-05-28

Back in Black (Metal Version)
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date published: 2020-05-28

Material Girl (Metal Version)
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date published: 2020-06-04

Material Girl (Metal Version)
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date published: 2020-06-04

Addicted To Love (Metal Version)
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date published: 2020-06-11

Addicted To Love (Metal Version)
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date published: 2020-06-11

Peaches (Metal Version)
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date published: 2020-06-29

Leo Metal, Vol. 29
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T16:51:38Z
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-16T03:46:09Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Addicted To Love - Metal Version
track: Material Girl - Metal Version
track: Daydreaming - Leo Version

OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd8d5ad9ba4535976c2e1e833e128b84f3ab08fd1c3a8614411da2f276254834. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW2119487.
date published: 2026-07-03T01:01:38Z

Addicted To Love - Metal Version
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Material Girl - Metal Version
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T16:51:38Z
audio: Material Girl - Metal Version
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Daydreaming - Leo Version
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genre: metal
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWW2108012
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-19T07:14:39Z
audio: Daydreaming - Leo Version
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Peaches (Metal Version)
type: MusicAlbum
date published: 2020-06-29

Leo Metal, Vol. 29
type: MusicAlbum
date published: 2020-06-29

Man of Constant Sorrow (Metal Version)
type: MusicAlbum
date published: 2020-07-02

Man of Constant Sorrow (Metal Version)
type: MusicAlbum
date published: 2020-07-02

Natural (Metal Version)
type: MusicAlbum
date published: 2020-07-09

Natural (Metal Version)
type: MusicAlbum
date published: 2020-07-09

The Devil Went Down To Georgia (Metal Version)
type: MusicAlbum
date published: 2020-07-16

The Devil Went Down To Georgia (Metal Version)
type: MusicAlbum
date published: 2020-07-16

The Best (Metal Version)
type: MusicAlbum
date published: 2020-07-23

The Best (Metal Version)
type: MusicAlbum
date published: 2020-07-23

Fat Bottomed Girls (Metal Version)
type: MusicAlbum
date published: 2020-07-30

Fat Bottomed Girls (Metal Version)
type: MusicAlbum
date published: 2020-07-30

Legends Never Die (Metal Version)
type: MusicAlbum
date published: 2020-08-07

Endless Summer
type: MusicAlbum
date published: 2020-08-07

Legends Never Die (Metal Version)
type: MusicAlbum
date published: 2020-08-07

Straight Up (Metal Version)
type: MusicAlbum
date published: 2020-08-13

Straight Up (Metal Version)
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date published: 2020-08-13

Endless Summer (Dreamers Edition)
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date published: 2020-08-21

Are You Gonna Go My Way (Metal Version)
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date published: 2020-08-25

Are You Gonna Go My Way (Metal Version)
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date published: 2020-08-25

How You Like That (Metal Version)
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date published: 2020-09-06

How You Like That (Metal Version)
type: MusicAlbum
date published: 2020-09-06

Leo Metal, Vol. 30
type: MusicAlbum
date published: 2020-09-09
track: Natural - Metal Version
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T01:01:38Z
  audio: Natural - Metal Version
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track: Are You Gonna Go My Way - Metal Version
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-16T05:10:22Z
  audio: Are You Gonna Go My Way - Metal Version
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Straight Up - Metal Version
track: The Best - Metal Version

OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf50ca1dc0bcf73a369b86b4da4bd1a807b53a565b34d64a2c5229afc332fcce9. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2003218.
date published: 2026-07-03T08:56:35Z

Straight Up - Metal Version
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Danceability
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The Best - Metal Version
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genre: metal
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-13T18:21:16Z
audio: The Best - Metal Version
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Leo Metal, Vol. 30
type: MusicAlbum
date published: 2020-09-09

She Drives Me Crazy (Metal Version)
type: MusicAlbum
date published: 2020-09-11

She Drives Me Crazy (Metal Version)
type: MusicAlbum
date published: 2020-09-11

In The Air Tonight (Metal Version)
type: MusicAlbum
date published: 2020-09-17

In The Air Tonight (Metal Version)
type: MusicAlbum
date published: 2020-09-17

WAP (Metal Version)
type: MusicAlbum
date published: 2020-09-25

WAP (Metal Version)
type: MusicAlbum
date published: 2020-09-25
track: WAP (Metal Version)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-16T21:05:52Z
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Conga (Metal Version)
type: MusicAlbum
date published: 2020-10-02

Conga (Metal Version)
type: MusicAlbum
date published: 2020-10-02

DuckTales Theme (Metal Version)
type: MusicAlbum
date published: 2020-10-08

DuckTales Theme (Metal Version)
type: MusicAlbum
date published: 2020-10-08

Jump (Metal Version)
type: MusicAlbum
date published: 2020-10-17
track: Jump (Metal Version)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T10:01:46Z
  audio: Jump (Metal Version)
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Monster Mash (Metal Version)
type: MusicAlbum
date published: 2020-10-29
track: Monster Mash (Metal Version)
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T10:01:46Z
  audio: Monster Mash (Metal Version)
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Sk8er Boi (Metal Version)
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date published: 2020-11-06
track: Sk8er Boi (Metal Version)
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-04T10:04:33Z
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Funkytown (Metal Version)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T10:01:46Z
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Walk Like an Egyptian (Metal Version)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T01:12:41Z
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    additional property: Liveness
      type: PropertyValue
      value: 0.067
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.562
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.122
    additional property: Key Name
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    additional property: Mode Name
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Leo Metal, Vol. 31
type: MusicAlbum
date published: 2020-11-26
track: Jump (Metal Version)
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256000
  explicit: false
  by artist: Leo
  in album: Leo Metal, Vol. 31
    type: MusicAlbum
    date published: 2020-11-26
  genre: metal
  isrc code: QZGWX2041475
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-03T09:06:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5f32af2f3ab1fc4ef04d133cec9a10b5ea05c83868373e2031e3901687c6fa7a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956485
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956485
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2041475
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T10:53:04Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f32af2f3ab1fc4ef04d133cec9a10b5ea05c83868373e2031e3901687c6fa7a. Chain 2 (Bitcoin): anchored in block 956485 (2026-07-03T10:53:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2041475.
    date published: 2026-07-03T10:53:04Z
  audio: Jump (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.004
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.603
    additional property: Energy
      type: PropertyValue
      value: 0.915
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.026
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.054
    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.006
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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track: Conga (Metal Version)
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231000
  explicit: false
  by artist: Leo
  in album: Leo Metal, Vol. 31
    type: MusicAlbum
    date published: 2020-11-26
  genre: metal
  isrc code: QZGWX2031998
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xa0e508608b12b919bc704f80e3ac3d65a2276828e103796f36045f70ecfdedb5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2031998
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0e508608b12b919bc704f80e3ac3d65a2276828e103796f36045f70ecfdedb5. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2031998.
    date published: 2026-07-02T16:51:38Z
  audio: Conga (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.036
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.673
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.056
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.247
    additional property: Valence (Positivity)
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      value: 0.76
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.591
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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track: Funkytown (Metal Version)
  type: MusicRecording
  duration: PT4M34S
  duration ms: 274398
  explicit: false
  by artist: Leo
  in album: Leo Metal, Vol. 31
    type: MusicAlbum
    date published: 2020-11-26
  genre: metal
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x03d14625763824215564b8a78e22e5995a5005be77ccaa7ecfa605d0a305703c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956545
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Funkytown (Metal Version)
track: Walk Like an Egyptian (Metal Version)
track: Sk8er Boi (Metal Version)
track: Monster Mash (Metal Version)

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2057336

OTSTimestamp
type: PropertyValue
value: 2026-07-03T19:59:51Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03d14625763824215564b8a78e22e5995a5005be77ccaa7ecfa605d0a305703c. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2057336.
date published: 2026-07-03T19:59:51Z

Funkytown (Metal Version)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 130.064
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.418
additional property: Energy
  type: PropertyValue
  value: 0.955
additional property: Speechiness
  type: PropertyValue
  value: 0.101
additional property: Acousticness
  type: PropertyValue
  value: 0.004
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.056
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.543
additional property: Loudness (dB)
  type: PropertyValue
  value: -3.324
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Major

Walk Like an Egyptian (Metal Version)
type: MusicRecording
duration: PT4M8S
duration ms: 248144
explicit: true
by artist: Leo
in album: Leo Metal, Vol. 31
  type: MusicAlbum
  date published: 2020-11-26
genre: metal
isrc code: QZGWX2062019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T03:16:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1fdeaafcf753244dfcb06c13231de6c4929c6fe5e83ce70d7ec8675195637c03
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956484
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956484
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2062019
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T10:47:44Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fdeaafcf753244dfcb06c13231de6c4929c6fe5e83ce70d7ec8675195637c03. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2062019.
  date published: 2026-07-03T10:47:44Z
audio: Walk Like an Egyptian (Metal Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.562
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.122
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sk8er Boi (Metal Version)
type: MusicRecording
duration: PT4M7S
duration ms: 247201
explicit: false
by artist: Leo
in album: Leo Metal, Vol. 31
  type: MusicAlbum
  date published: 2020-11-26
genre: metal
isrc code: QZGWX2052634
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb712bb5212568a8520ab71312880006bc1f1a14b62ed35a9f3921e98c11dd01
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2052634
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb712bb5212568a8520ab71312880006bc1f1a14b62ed35a9f3921e98c11dd01. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2052634.
  date published: 2026-07-02T16:51:38Z
audio: Sk8er Boi (Metal Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 160.016
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.525
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.101
  additional property: Acousticness
    type: PropertyValue
    value: 0.002
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.352
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.513
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.069
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Monster Mash (Metal Version)
type: MusicRecording
duration: PT3M14S
duration ms: 194393
explicit: false
by artist: Leo
in album: Leo Metal, Vol. 31
  type: MusicAlbum
  date published: 2020-11-26
genre: metal
isrc code: QZGWX2048326
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T18:34:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x842a7d8759a07a531ce9867509d526309bacd3a05d5e641d5a0ce720929512c8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956560
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956560
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2048326
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T23:28:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x842a7d8759a07a531ce9867509d526309bacd3a05d5e641d5a0ce720929512c8. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2048326.
  date published: 2026-07-03T23:28:02Z
audio: Monster Mash (Metal Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.641
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.262
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.721
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.054
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Therefore I Am (Metal Version)
type: MusicAlbum
date published: 2020-12-01
track: Therefore I Am (Metal Version)
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222711
  explicit: false
  by artist: Leo
  in album: Therefore I Am (Metal Version)
    type: MusicAlbum
    date published: 2020-12-01
  genre: metal
  isrc code: QZGWX2066999
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-30T00:44:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6a73530556c22eb147a2f82c249a0efa9722a5444f3cb527416b0eae1a1ae331
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2066999
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a73530556c22eb147a2f82c249a0efa9722a5444f3cb527416b0eae1a1ae331. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2066999.
    date published: 2026-07-05T01:43:49Z
  audio: Therefore I Am (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
      value: 0.465
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.656
    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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    additional property: Mode Name
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X Gon´ Give It to Ya (Metal Version)
type: MusicAlbum
date published: 2020-12-04
track: X Gon´ Give It to Ya (Metal Version)
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250671
  explicit: true
  by artist: Leo
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  genre: metal
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2072257
  additional property: OTSTimestamp
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    value: 2026-07-02T16:51:38Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8ee4c547f1f0483f0a295a2f886b711a275dfe7d92e5b08ee0f9889a1d5d810. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2072257.
    date published: 2026-07-02T16:51:38Z
  audio: X Gon´ Give It to Ya (Metal Version)
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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It's Beginning To Look A Lot Like Christmas (Metal Version)
type: MusicAlbum
date published: 2020-12-11

Savage (Metal Version)
type: MusicAlbum
date published: 2020-12-17
track: Savage (Metal Version)
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  duration: PT3M0S
  duration ms: 180666
  explicit: true
  by artist: Leo
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    type: MusicAlbum
    date published: 2020-12-17
  genre: metal
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05dfd737662024ca62d91f96743aba9aaeca23a1aea003b04319253bbf5c3fe7. Chain 2 (Bitcoin): anchored in block 958838 (2026-07-20T09:37:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2082987.
    date published: 2026-07-20T09:37:52Z
  audio: Savage (Metal Version)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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Glory Box (Metal Version)
type: MusicAlbum
date published: 2020-12-29
track: Glory Box (Metal Version)
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280573
  explicit: false
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    type: MusicAlbum
    date published: 2020-12-29
  genre: metal
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-17T16:42:22Z
  audio: Glory Box (Metal Version)
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    additional property: Acousticness
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    additional property: Instrumentalness
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Spaceman (Metal Version)
type: MusicAlbum
date published: 2021-01-14

Wellerman (Metal Version)
type: MusicAlbum
date published: 2021-01-21

Free Bird (Metal Version)
type: MusicAlbum
date published: 2021-01-28
track: Free Bird (Metal Version)
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  explicit: false
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc675305b9a9fc6ec97a46d086b3b9e8154d833621a3ffbe7c9b4f57db030ba03. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2112210.
    date published: 2026-07-05T10:01:46Z
  audio: Free Bird (Metal Version)
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Rasputin (Metal Version)
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date published: 2021-02-05
track: Rasputin (Metal Version)
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    type: MusicAlbum
    date published: 2021-02-05
  genre: metal
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  additional property: CopyrightStatus
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa96bf9818fcc30cea06a339e148310995e2ed7a2d1de107980a9e049d24b5ffe. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2117547.
    date published: 2026-07-17T06:48:00Z
  audio: Rasputin (Metal Version)
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    additional property: Danceability
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    additional property: Acousticness
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Leo Metal, Vol. 32
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date published: 2021-02-09
track: Savage (Metal Version)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05dfd737662024ca62d91f96743aba9aaeca23a1aea003b04319253bbf5c3fe7. Chain 2 (Bitcoin): anchored in block 958756 (2026-07-19T18:59:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2082987.
    date published: 2026-07-19T18:59:17Z
  audio: Savage (Metal Version)
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track: Intergalactic (Metal Version)
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-17T19:12:23Z
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track: Therefore I Am (Metal Version)
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  additional property: CopyrightID
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    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-30T00:44:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6a73530556c22eb147a2f82c249a0efa9722a5444f3cb527416b0eae1a1ae331
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956375
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Therefore I Am (Metal Version)
track: Spaceman (Metal Version)
track: It's Beginning To Look A Lot Like Christmas (Metal Version)
track: Glory Box (Metal Version)

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2066999

OTSTimestamp
type: PropertyValue
value: 2026-07-02T16:51:38Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a73530556c22eb147a2f82c249a0efa9722a5444f3cb527416b0eae1a1ae331. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2066999.
date published: 2026-07-02T16:51:38Z

Therefore I Am (Metal Version)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 104.988
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.465
additional property: Energy
  type: PropertyValue
  value: 0.812
additional property: Speechiness
  type: PropertyValue
  value: 0.067
additional property: Acousticness
  type: PropertyValue
  value: 0.09
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.047
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.656
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.183
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Spaceman (Metal Version)
type: MusicRecording
duration: PT3M55S
duration ms: 235000
explicit: false
by artist: Leo
in album: Leo Metal, Vol. 32
  type: MusicAlbum
  date published: 2021-02-09
genre: metal
isrc code: QZGWX2102588
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T14:33:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d9065b6fa65b184c632f015ce61fe11cb8a95ac17e2ef093f58af0992bc30a0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958905
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958905
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2102588
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T17:34:43Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d9065b6fa65b184c632f015ce61fe11cb8a95ac17e2ef093f58af0992bc30a0. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T17:34:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2102588.
  date published: 2026-07-20T17:34:43Z
audio: Spaceman (Metal Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.854
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.291
  additional property: Energy
    type: PropertyValue
    value: 0.943
  additional property: Speechiness
    type: PropertyValue
    value: 0.079
  additional property: Acousticness
    type: PropertyValue
    value: 0.002
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.341
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.346
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.609
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

It's Beginning To Look A Lot Like Christmas (Metal Version)
type: MusicRecording
duration: PT3M2S
duration ms: 182468
explicit: false
by artist: Leo
in album: Leo Metal, Vol. 32
  type: MusicAlbum
  date published: 2021-02-09
genre: metal
isrc code: QZGWX2078727
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T14:22:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4db6dac3a955f8b7b0ddb892003ec5b5c8b4526029af1930aad3a954fb942c25
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959023
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959023
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2078727
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T17:24:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4db6dac3a955f8b7b0ddb892003ec5b5c8b4526029af1930aad3a954fb942c25. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T17:24:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2078727.
  date published: 2026-07-21T17:24:39Z
audio: It's Beginning To Look A Lot Like Christmas (Metal Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.011
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.398
  additional property: Energy
    type: PropertyValue
    value: 0.952
  additional property: Speechiness
    type: PropertyValue
    value: 0.07
  additional property: Acousticness
    type: PropertyValue
    value: 0.011
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.289
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.861
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Glory Box (Metal Version)
type: MusicRecording
duration: PT4M40S
duration ms: 280573
explicit: false
by artist: Leo
in album: Leo Metal, Vol. 32
  type: MusicAlbum
  date published: 2021-02-09
genre: metal
isrc code: QZGWX2087574
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T14:49:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0eda4ec1814c734d3c030c3fcbf8173dbcd6628a5e8de95709fdf67bef5b64cf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958428
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958428
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2087574
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T15:15:14Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0eda4ec1814c734d3c030c3fcbf8173dbcd6628a5e8de95709fdf67bef5b64cf. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2087574.
  date published: 2026-07-17T15:15:14Z
audio: Glory Box (Metal Version)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.026
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.6
  additional property: Energy
    type: PropertyValue
    value: 0.59
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.121
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.231
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.155
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.424
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Crocodile Rock (Metal Version)
type: MusicAlbum
date published: 2021-02-12
track: Crocodile Rock (Metal Version)
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245694
  explicit: false
  by artist: Leo
  in album: Crocodile Rock (Metal Version)
    type: MusicAlbum
    date published: 2021-02-12
  genre: metal
  isrc code: QZGWX2122536
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0d7cc3e2a3ab1c0d020cdbe74939753e7e4c1fad762f58c7d37bbd2ac7cefcc6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958526
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958526
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2122536
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T09:09:53Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d7cc3e2a3ab1c0d020cdbe74939753e7e4c1fad762f58c7d37bbd2ac7cefcc6. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2122536.
    date published: 2026-07-18T09:09:53Z
  audio: Crocodile Rock (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 165.077
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.53
    additional property: Energy
      type: PropertyValue
      value: 0.93
    additional property: Speechiness
      type: PropertyValue
      value: 0.057
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.358
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.563
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.479
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Listen to Your Heart (Metal Version)
type: MusicAlbum
date published: 2021-02-18

All Star (Metal Version)
type: MusicAlbum
date published: 2021-02-26
track: All Star (Metal Version)
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227018
  explicit: false
  by artist: Leo
  in album: All Star (Metal Version)
    type: MusicAlbum
    date published: 2021-02-26
  genre: metal
  isrc code: QZGWX2131610
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T13:23:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9ee29bf26aa66f6a2bb96668ee0229bd2e6801e9bc39d30333ff323c82bd459d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2131610
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ee29bf26aa66f6a2bb96668ee0229bd2e6801e9bc39d30333ff323c82bd459d. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2131610.
    date published: 2026-07-04T11:19:20Z
  audio: All Star (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.023
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.618
    additional property: Energy
      type: PropertyValue
      value: 0.935
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.01
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.068
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.239
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.073
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Power Rangers Theme (Metal Version)
type: MusicAlbum
date published: 2021-03-04
track: Power Rangers Theme (Metal Version)
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224536
  explicit: false
  by artist: Leo
  in album: Power Rangers Theme (Metal Version)
    type: MusicAlbum
    date published: 2021-03-04
  genre: metal
  isrc code: QZGWX2136566
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8e380490ffda3161c8068463a47fd1f4d94f6bc833491de8378813d494808313
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958461
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958461
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2136566
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T23:18:11Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e380490ffda3161c8068463a47fd1f4d94f6bc833491de8378813d494808313. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2136566.
    date published: 2026-07-17T23:18:11Z
  audio: Power Rangers Theme (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 96.984
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.546
    additional property: Energy
      type: PropertyValue
      value: 0.794
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.013
    additional property: Liveness
      type: PropertyValue
      value: 0.041
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.362
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.326
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Gimme! Gimme! Gimme! (Metal Version)
type: MusicAlbum
date published: 2021-03-17
track: Gimme! Gimme! Gimme! (Metal Version)
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245261
  explicit: false
  by artist: Leo
  in album: Gimme! Gimme! Gimme! (Metal Version)
    type: MusicAlbum
    date published: 2021-03-17
  genre: metal
  isrc code: QZGWX2150766
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T23:47:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3aef038174a0ceccc4272d65696c46c54963b0ce755baedfa9cb4b4bc048c237
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958468
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2150766
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T00:27:51Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3aef038174a0ceccc4272d65696c46c54963b0ce755baedfa9cb4b4bc048c237. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2150766.
    date published: 2026-07-18T00:27:51Z
  audio: Gimme! Gimme! Gimme! (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.588
    additional property: Energy
      type: PropertyValue
      value: 0.923
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.018
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.18
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.424
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.911
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Chicken Wing (Metal Version)
type: MusicAlbum
date published: 2021-03-18
track: Chicken Wing (Metal Version)
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159308
  explicit: false
  by artist: Leo
  in album: Chicken Wing (Metal Version)
    type: MusicAlbum
    date published: 2021-03-18
  genre: metal
  isrc code: QZGWX2155133
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2b9917dfd1a1aaf911f0612bbd252ceb133f46e632e93bad6ed7acfcfec7d2a0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2155133
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T18:21:04Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b9917dfd1a1aaf911f0612bbd252ceb133f46e632e93bad6ed7acfcfec7d2a0. Chain 2 (Bitcoin): anchored in block 957891 (2026-07-13T18:21:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2155133.
    date published: 2026-07-13T18:21:04Z
  audio: Chicken Wing (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.68
    additional property: Energy
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      value: 0.783
    additional property: Speechiness
      type: PropertyValue
      value: 0.056
    additional property: Acousticness
      type: PropertyValue
      value: 0.016
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.053
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.496
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.701
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Agatha All Along (Metal Version)
type: MusicAlbum
date published: 2021-03-31
track: Agatha All Along (Metal Version)
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171445
  explicit: false
  by artist: Leo
  in album: Agatha All Along (Metal Version)
    type: MusicAlbum
    date published: 2021-03-31
  genre: metal
  isrc code: QZGWX2165976
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6b9e59c87524c4317a7d5e90166016a915a97b32c9af4944ec8a965d141d8011
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958194
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958194
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2165976
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T22:21:45Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b9e59c87524c4317a7d5e90166016a915a97b32c9af4944ec8a965d141d8011. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:21:45Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2165976.
    date published: 2026-07-15T22:21:45Z
  audio: Agatha All Along (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.614
    additional property: Energy
      type: PropertyValue
      value: 0.941
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.024
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.679
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.446
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

California Love (Metal Version)
type: MusicAlbum
date published: 2021-04-02
track: California Love (Metal Version)
  type: MusicRecording
  duration: PT4M26S
  duration ms: 266598
  explicit: false
  by artist: Leo
  in album: California Love (Metal Version)
    type: MusicAlbum
    date published: 2021-04-02
  genre: metal
  isrc code: QZGWX2167173
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x102b95f37d6fdfa7e999c20a612b434f5bee2d3f3beb9da28369e1e44cffc81d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2167173
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x102b95f37d6fdfa7e999c20a612b434f5bee2d3f3beb9da28369e1e44cffc81d. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2167173.
    date published: 2026-07-05T19:27:56Z
  audio: California Love (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.425
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.006
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.295
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.548
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.115
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Montero (Call Me by Your Name) [Metal Version]
type: MusicAlbum
date published: 2021-04-09
track: Montero (Call Me by Your Name) - Metal Version
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211263
  explicit: true
  by artist: Leo
  in album: Montero (Call Me by Your Name) [Metal Version]
    type: MusicAlbum
    date published: 2021-04-09
  genre: metal
  isrc code: QZGWX2172073
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T00:46:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x35664fee7460e5f62dbe36276fa3ec1b058a9ea6aeec33271aa7071b13712795
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2172073
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T18:48:28Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35664fee7460e5f62dbe36276fa3ec1b058a9ea6aeec33271aa7071b13712795. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2172073.
    date published: 2026-07-05T18:48:28Z
  audio: Montero (Call Me by Your Name) - Metal Version
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.623
    additional property: Energy
      type: PropertyValue
      value: 0.868
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.015
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.206
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.684
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.153
    additional property: Key Name
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      value: D
    additional property: Mode Name
      type: PropertyValue
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Boombayah (Metal Version)
type: MusicAlbum
date published: 2021-04-22

In the Army Now (Metal Version)
type: MusicAlbum
date published: 2021-04-22
track: In the Army Now (Metal Version)
  type: MusicRecording
  duration: PT4M19S
  duration ms: 259252
  explicit: false
  by artist: Leo
  in album: In the Army Now (Metal Version)
    type: MusicAlbum
    date published: 2021-04-22
  genre: metal
  isrc code: QZGWX2181024
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T14:09:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc855e8fbcf9b59b63a0633cb8601d67d86dbdfcfa47495e5fc2f815987c62b29
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2181024
  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc855e8fbcf9b59b63a0633cb8601d67d86dbdfcfa47495e5fc2f815987c62b29. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2181024.
    date published: 2026-07-05T01:12:41Z
  audio: In the Army Now (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.987
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.044
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.587
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.273
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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Leo Metal, Vol. 33
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date published: 2021-04-23
track: Boombayah (Metal Version)
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276480
  explicit: false
  by artist: Leo
  in album: Leo Metal, Vol. 33
    type: MusicAlbum
    date published: 2021-04-23
  genre: metal
  isrc code: QZGWX2181023
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f7916fa6e8da73d2048c799ee1ff8fc78be8c849ccfff23ae44817f3a3b7b3. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGWX2181023.
    date published: 2026-07-17T15:15:14Z
  audio: Boombayah (Metal Version)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
      value: 0.685
    additional property: Energy
      type: PropertyValue
      value: 0.891
    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.017
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.029
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.678
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.39
    additional property: Key Name
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      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: California Love (Metal Version)
  type: MusicRecording
  duration: PT4M26S
  duration ms: 266598
  explicit: false
  by artist: Leo
  genre: metal
  isrc code: QZGWX2167173