Seiren
type: MusicGroup
description: is an original Japanese romantic comedy anime television series directed by Tomoki Kobayashi at Studio Gokumi and AXsiZ. It aired on TBS between January 5 and March 23, 2017. The series is structure
popularity: 18
followers: 3015
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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additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
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  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
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  date published: 2026-06-14T06:21:39Z
album: History
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  date published: 2018-09-27
album: Right Now
  type: MusicAlbum
  date published: 2019-11-28
album: Oxygen
  type: MusicAlbum
  date published: 2021-07-02
album: Light It Up
  type: MusicAlbum
  date published: 2021-09-02
album: Life & Death
  type: MusicAlbum
  date published: 2021-09-17
album: Pyro
  type: MusicAlbum
  date published: 2021-12-10
  track: Pyro
    type: MusicRecording
    duration: PT3M5S
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    explicit: false
    by artist: Seiren
    in album: Pyro
      type: MusicAlbum
      date published: 2021-12-10
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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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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44fb6edbd70f99f517f52b1622d419cc92cc58105e9085aff7280513109ee59f. Chain 2 (Bitcoin): anchored in block 958816 (2026-07-20T06:29:39Z), 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/QZS652183854.
      date published: 2026-07-20T06:29:39Z
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album: Rain
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  date published: 2021-12-31
album: Finding Nowhere
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album: Hollow
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album: Playground
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album: Echoes
  type: MusicAlbum
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album: On a Roll
  type: MusicAlbum
  date published: 2022-06-03
album: Someone Else
  type: MusicAlbum
  date published: 2022-08-05
album: Drift
  type: MusicAlbum
  date published: 2022-10-07
album: Circles
  type: MusicAlbum
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album: Never Alone
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  date published: 2023-09-20
album: Never Alone
  type: MusicAlbum
  date published: 2023-09-20
album: Greedy
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album: Lonely Souls
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  date published: 2023-10-25
album: Lonely Souls
  type: MusicAlbum
  date published: 2023-10-25
album: Your Melody
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    subject of: OpenTimestamps Proof of Existence
    audio: Your Melody
album: If I Didn't Know You
album: Good Luck, Babe! (Cover Remix)
album: Other Side
album: Leave It All Behind
album: Fuck With My Head
track: Superpower - Stonebank Remix
track: Superpower

Superpower - Stonebank Remix
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duration ms: 241636
explicit: false
by artist: Pegboard Nerds
by artist: Sophon
by artist: Seiren
by artist: Ina Bravo
by artist: Stonebank
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  date published: 2023-09-15
genre: edm
genre: electro-house
genre: brostep
genre: complextro
genre: danish-electronic
genre: filthstep
genre: glitch
genre: speedrun
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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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 0xcfeb9b71c7942df6a0646e63abc923f6eac3caba81878e9b4f5548d41a8f8def. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZMHP2330813.
  date published: 2026-06-13T13:32:09Z
audio: Superpower - Stonebank Remix
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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
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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
    type: PropertyValue
    value: E
  additional property: Mode Name
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Superpower
type: MusicRecording
duration: PT3M40S
duration ms: 220465
explicit: false
by artist: Pegboard Nerds
by artist: Seiren
by artist: Ina Bravo
by artist: Sophon
in album: Superpower
  type: MusicAlbum
  date published: 2023-06-30
genre: edm
genre: electro-house
genre: brostep
genre: complextro
genre: danish-electronic
genre: filthstep
genre: glitch
genre: speedrun
isrc code: QZMHM2304635
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
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMHM2304635
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x769b85c01bc0cd80eb5ec0eba67a12e0e77ac223384409d57507d0c544848d7f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/QZMHM2304635.
  date published: 2026-06-13T13:32:09Z
audio: Superpower
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 167.029
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.422
  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
    value: 0.015
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.202
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.633
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956725

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956725

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFJ2458140

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 0xa65c2bf6d765ec9884fe49abd95b418fd6c42885f5b866a0db3a66251dccf9e0. 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/QZWFJ2458140.
date published: 2026-07-05T01:12:41Z

Your Melody
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 148.931
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
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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
  type: PropertyValue
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additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.245
additional property: Loudness (dB)
  type: PropertyValue
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additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Major

If I Didn't Know You
type: MusicAlbum
date published: 2024-11-22
track: If I Didn't Know You
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197000
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    type: MusicAlbum
    date published: 2024-11-22
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2465287
  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 0x631526a5ff9a359d73533957ad82837466d67123570b832f249702bab7c936e1. 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/USA2P2465287.
    date published: 2026-07-04T11:19:20Z
  audio: If I Didn't Know You
    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
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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: 0.006
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.211
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.126
    additional property: Loudness (dB)
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    additional property: Key Name
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      value: G
    additional property: Mode Name
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Good Luck, Babe! (Cover Remix)
type: MusicAlbum
date published: 2025-01-29

Other Side
type: MusicAlbum
date published: 2025-05-14
track: Other Side
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  duration ms: 165625
  explicit: false
  by artist: Seiren
  in album: Other Side
    type: MusicAlbum
    date published: 2025-05-14
  isrc code: USCGJ2568721
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    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2568721
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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: 2026-07-18T12:14:37Z
  audio: Other Side
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Leave It All Behind
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date published: 2025-06-11
track: Leave It All Behind
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    date published: 2025-06-11
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    date published: 2026-07-03T23:28:02Z
  audio: Leave It All Behind
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Fuck With My Head
type: MusicAlbum
date published: 2025-10-17