Mark Femino
type: MusicGroup
popularity: 18
followers: 685
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcfdb78353a931bbed3ad67dbb4191c022a4a0c1a9b58802a95f4369ea73d8985
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953778
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953778
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d2d8e01d-c482-4c95-9793-5d50ded687f8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d2d8e01d-c482-4c95-9793-5d50ded687f8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d2d8e01d-c482-4c95-9793-5d50ded687f8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T11:57:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcfdb78353a931bbed3ad67dbb4191c022a4a0c1a9b58802a95f4369ea73d8985","name":"Mark Femino","registered_at":"2026-06-15T02:45:08Z","symbol":"NIM0657445","token_address":"0x6d74063ebadd7b59d37e0efdbf3d4745dbbeb24c","type":"artist","uuid":"d2d8e01d-c482-4c95-9793-5d50ded687f8"}
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 0xcfdb78353a931bbed3ad67dbb4191c022a4a0c1a9b58802a95f4369ea73d8985. Chain 2 (Bitcoin): anchored in block 953780 (2026-06-15T12:02:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d2d8e01d-c482-4c95-9793-5d50ded687f8.json and https://artists.proofprofile.net/proofs/artist/d2d8e01d-c482-4c95-9793-5d50ded687f8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T12:02:32Z
  text: {"copyright_id":"0xcfdb78353a931bbed3ad67dbb4191c022a4a0c1a9b58802a95f4369ea73d8985","name":"Mark Femino","registered_at":"2026-06-15T02:45:08Z","symbol":"NIM0657445","token_address":"0x6d74063ebadd7b59d37e0efdbf3d4745dbbeb24c","type":"artist","uuid":"d2d8e01d-c482-4c95-9793-5d50ded687f8"}
album: Flea Jumpin' Juke Joint
  type: MusicAlbum
  date published: 2015-08-13
album: Femi La Bouche
  type: MusicAlbum
  date published: 2020-10-19
  track: Little Angels
    type: MusicRecording
    duration: PT1M52S
    duration ms: 112959
    explicit: false
    by artist: Mark Femino
    in album: Femi La Bouche
      type: MusicAlbum
      date published: 2020-10-19
    isrc code: USL4R2005971
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T20:09:39+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6de36de67bf90b5c233a99a2c9b29ebe7624aef354251181610657c8bedcdf1f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956576
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956576
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2005971
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T02:06:47Z
    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 0x6de36de67bf90b5c233a99a2c9b29ebe7624aef354251181610657c8bedcdf1f. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/USL4R2005971.
      date published: 2026-07-04T02:06:47Z
    audio: Little Angels
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.959
      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: 0.252
      additional property: Energy
        type: PropertyValue
        value: 0.062
      additional property: Speechiness
        type: PropertyValue
        value: 0.046
      additional property: Acousticness
        type: PropertyValue
        value: 0.985
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.031
      additional property: Liveness
        type: PropertyValue
        value: 0.119
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.086
      additional property: Loudness (dB)
        type: PropertyValue
        value: -16.341
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Ferilus
  type: MusicAlbum
  date published: 2022-08-09
  track: Cracked, Agenda'd Life
    type: MusicRecording
    duration: PT3M57S
    duration ms: 237264
    explicit: false
    by artist: Mark Femino
    in album: Ferilus
      type: MusicAlbum
      date published: 2022-08-09
    isrc code: USHM22243441
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-22T06:24:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x898f9152fe58a1e3455317f6fab6c2f783c2dc9790aab7fd666eb0d82d8b03bf
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959107
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959107
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM22243441
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-22T07:19:23Z
    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 0x898f9152fe58a1e3455317f6fab6c2f783c2dc9790aab7fd666eb0d82d8b03bf. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/USHM22243441.
      date published: 2026-07-22T07:19:23Z
    audio: Cracked, Agenda'd Life
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 97.949
      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: 0.499
      additional property: Energy
        type: PropertyValue
        value: 0.868
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.086
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.128
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: These Are the Moments
album: Once Again
album: The Envelope
album: Running Around
album: Dyed In The Wool
album: That Is Today
album: Heaven Surrounding Us
album: Said And Done
album: Damn, Girl...
album: She's Always A Woman
album: In This Time
album: Lips
album: Moment
album: The Life That You've Found
album: Yesterday I Sang For You
album: Merry Madness
album: Daybreaking
album: The Grave
album: Julia
album: Meanderthal
album: Bottom Barrel Feeder

Valence (Positivity)
type: PropertyValue
value: 0.477

Loudness (dB)
type: PropertyValue
value: -2.858

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Minor

These Are the Moments
type: MusicAlbum
date published: 2023-02-28
track: All The Poor Intentions
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200550
  explicit: false
  by artist: Mark Femino
  in album: These Are the Moments
    type: MusicAlbum
    date published: 2023-02-28
  isrc code: USCGJ2359907
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T13:28:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf8fcb8e26371bfc8cf79f2b1e9119823f0b7b89de5be0c3cab4268f97601747c
  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/USCGJ2359907
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T16:29:49Z
  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 0xf8fcb8e26371bfc8cf79f2b1e9119823f0b7b89de5be0c3cab4268f97601747c. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:29:49Z), 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/USCGJ2359907.
    date published: 2026-07-19T16:29:49Z
  audio: All The Poor Intentions
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.401
    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: 0.643
    additional property: Energy
      type: PropertyValue
      value: 0.381
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.826
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.118
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.424
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.25
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Something's Been Missing
  type: MusicRecording
  duration: PT4M12S
  duration ms: 252817
  explicit: false
  by artist: Mark Femino
  in album: These Are the Moments
    type: MusicAlbum
    date published: 2023-02-28
  isrc code: USCGJ2359908
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T05:14:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x42e52e80e4b357a4c4b47d51f3dc91f862bee07671465bd17aa29f340b596e4e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959105
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959105
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ2359908
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T08:09:27Z
  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 0x42e52e80e4b357a4c4b47d51f3dc91f862bee07671465bd17aa29f340b596e4e. Chain 2 (Bitcoin): anchored in block 959105 (2026-07-22T08:09:27Z), 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/USCGJ2359908.
    date published: 2026-07-22T08:09:27Z
  audio: Something's Been Missing
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 112.213
    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: 0.737
    additional property: Energy
      type: PropertyValue
      value: 0.387
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.826
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.073
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.517
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.993
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Once Again
type: MusicAlbum
date published: 2023-08-01

The Envelope
type: MusicAlbum
date published: 2023-08-28

Running Around
type: MusicAlbum
date published: 2023-11-20

Dyed In The Wool
type: MusicAlbum
date published: 2023-12-12

That Is Today
type: MusicAlbum
date published: 2024-01-11

Heaven Surrounding Us
type: MusicAlbum
date published: 2024-02-14

Said And Done
type: MusicAlbum
date published: 2024-02-19

Damn, Girl...
type: MusicAlbum
date published: 2024-04-01

She's Always A Woman
type: MusicAlbum
date published: 2024-04-22

In This Time
type: MusicAlbum
date published: 2024-05-17

Lips
type: MusicAlbum
date published: 2024-06-21

Moment
type: MusicAlbum
date published: 2024-08-02

The Life That You've Found
type: MusicAlbum
date published: 2024-09-17

Yesterday I Sang For You
type: MusicAlbum
date published: 2024-10-22
track: Yesterday I Sang For You
  type: MusicRecording
  duration: PT4M46S
  duration ms: 286829
  explicit: false
  by artist: Mark Femino
  in album: Yesterday I Sang For You
    type: MusicAlbum
    date published: 2024-10-22
  isrc code: QZWFP2406784
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T20:31:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x995c3af0c18220d8b34e30098c0bfaef5bbb9523c57177242a96635985a2b989
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956620
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956620
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFP2406784
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T07:11:13Z
  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 0x995c3af0c18220d8b34e30098c0bfaef5bbb9523c57177242a96635985a2b989. Chain 2 (Bitcoin): anchored in block 956620 (2026-07-04T07:11:13Z), 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/QZWFP2406784.
    date published: 2026-07-04T07:11:13Z
  audio: Yesterday I Sang For You
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 174.235
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.309
    additional property: Energy
      type: PropertyValue
      value: 0.654
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.092
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.588
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.416
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Merry Madness
type: MusicAlbum
date published: 2024-12-10

Daybreaking
type: MusicAlbum
date published: 2025-01-21
track: Daybreaking
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236302
  explicit: false
  by artist: Mark Femino
  in album: Daybreaking
    type: MusicAlbum
    date published: 2025-01-21
  isrc code: QZFYZ2507388
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T21:24:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf32cb599b341e6d2bea9a1bc8de65bfc0df7f7a8f99bd50e619d395ea3c57db7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957759
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957759
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYZ2507388
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T21:46:51Z
  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 0xf32cb599b341e6d2bea9a1bc8de65bfc0df7f7a8f99bd50e619d395ea3c57db7. Chain 2 (Bitcoin): anchored in block 957759 (2026-07-12T21:46:51Z), 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/QZFYZ2507388.
    date published: 2026-07-12T21:46:51Z
  audio: Daybreaking
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The Grave
type: MusicAlbum
date published: 2025-03-11

Julia
type: MusicAlbum
date published: 2025-04-21

Meanderthal
type: MusicAlbum
date published: 2025-07-11

Bottom Barrel Feeder
type: MusicAlbum
date published: 2025-09-10
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  by artist: Mark Femino
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    date published: 2025-09-10
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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
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    date published: 2026-07-05T10:59:37Z
  audio: Bottom Barrel Feeder
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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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