MARC ERA
type: MusicGroup
genre: melodic rap
popularity: 12
followers: 534
additional property: CopyrightID
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: OTSProofURL
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additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f7c667f3-6561-4f6c-9068-1e79c72aaa3f
additional property: OTSTimestamp
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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 0x9ef2acb4f319e9462c3fef1c290075f86a1deb7e62671010db3c0f78ce772f1e. Chain 2 (Bitcoin): anchored in block 953812 (2026-06-15T17:06:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f7c667f3-6561-4f6c-9068-1e79c72aaa3f.json and https://artists.proofprofile.net/proofs/artist/f7c667f3-6561-4f6c-9068-1e79c72aaa3f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T17:06:52Z
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album: Sun City
  type: MusicAlbum
  date published: 2017-06-30
album: Old Soul
  type: MusicAlbum
  date published: 2023-03-16
album: Stuck In a Rut
  type: MusicAlbum
  date published: 2023-06-07
album: '23 (epilogue)
  type: MusicAlbum
  date published: 2023-12-19
album: '23 (Epilogue)
  type: MusicAlbum
  date published: 2023-12-19
album: mi grandinan (papiamento)
  type: MusicAlbum
  date published: 2023-12-26
album: Upanishads
  type: MusicAlbum
  date published: 2024-05-21
album: Upanishads
  type: MusicAlbum
  date published: 2024-05-21
album: Sober (One Day) [Demo]
  type: MusicAlbum
  date published: 2024-06-04
album: Sober (One Day)
  type: MusicAlbum
  date published: 2024-06-04
album: jus4u (Demo)
  type: MusicAlbum
  date published: 2024-06-19
album: jus4u
  type: MusicAlbum
  date published: 2024-06-19
album: Sycamore
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  date published: 2024-08-12
album: Sycamore
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  date published: 2024-08-12
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      date published: 2024-08-12
    genre: melodic rap
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    additional property: CopyrightStatus
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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
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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 0x8186863e44999629b62d7438fb8713c60a12534193eeeb6db9d755e18e4c4458. 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/SE6I32458839.
      date published: 2026-07-03T08:56:35Z
    audio: Sycamore
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      additional property: Time Signature
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      additional property: Danceability
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      additional property: Speechiness
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album: Let It Go
  type: MusicAlbum
  date published: 2024-08-21
album: Let It Go
  type: MusicAlbum
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album: got 2 many crushes
  type: MusicAlbum
  date published: 2024-09-19
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      type: MusicAlbum
      date published: 2024-09-19
    genre: melodic rap
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    additional property: OTSBitcoinBlock
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    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: got 2 many crushes
album: R U R I
album: letters ii (Studio Version)
album: Marilyn
album: letters ii (Radio Edit)
album: STRIPTEASE (Radio Edit)
album: got 2 many crushes (Live, at Winter Warmte, Zwolle)
album: death tango
album: WAYA WAYA
album: Spirit Talk
album: ELEV8
album: The Message
album: 400TRILLION2ONE
album: Hit It (Record Cut)
album: JazzRap
album: GoodTalk
album: PRIME
album: A.M.S (XXX)
album: DYSTOPIAN NIGHTS

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SE6QE2458864

OTSTimestamp
type: PropertyValue
value: 2026-07-15T23:25:50Z

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 0x46c03048edf93a6b56b7dae1de67575a5b0eb5857704a2f6796eb8f04be28675. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), 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/SE6QE2458864.
date published: 2026-07-15T23:25:50Z

got 2 many crushes
type: AudioObject
additional property: Tempo (BPM)
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  value: 80.582
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
  type: PropertyValue
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additional property: Time Signature
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  value: 4
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
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
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got 2 many crushes
type: MusicAlbum
date published: 2024-09-20

got 2 many crushes
type: MusicAlbum
date published: 2024-09-20

R U R I
type: MusicAlbum
date published: 2024-11-29

letters ii (Studio Version)
type: MusicAlbum
date published: 2024-12-10

letters ii (Studio Version)
type: MusicAlbum
date published: 2024-12-10
track: letters ii - Studio Version
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  duration: PT3M25S
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    type: MusicAlbum
    date published: 2024-12-10
  genre: melodic rap
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  additional property: CopyrightStatus
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZN882426553
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T04:13:26Z
  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 0xd61a6aae83213df21d79d5fc4e2180bc2c81df858886a63c5ad6a0453e0bcf7c. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/QZN882426553.
    date published: 2026-07-18T04:13:26Z
  audio: letters ii - Studio 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: 0.681
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.242
    additional property: Acousticness
      type: PropertyValue
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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
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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
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Marilyn
type: MusicAlbum
date published: 2024-12-12
track: Marilyn
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207826
  explicit: false
  by artist: MARC ERA
  in album: Marilyn
    type: MusicAlbum
    date published: 2024-12-12
  genre: melodic rap
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  additional property: CopyrightStatus
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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/QZN882423025
  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 0x963b1aead11c0773dcfde3c64d640f197c4d7c62ded99fa7386ac22d4801ee31. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/QZN882423025.
    date published: 2026-07-16T00:00:34Z
  audio: Marilyn
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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
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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
      type: PropertyValue
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Marilyn
type: MusicAlbum
date published: 2024-12-13

letters ii (Radio Edit)
type: MusicAlbum
date published: 2024-12-20

STRIPTEASE (Radio Edit)
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date published: 2025-02-14
track: STRIPTEASE - Radio Edit
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  duration ms: 139787
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  in album: STRIPTEASE (Radio Edit)
    type: MusicAlbum
    date published: 2025-02-14
  genre: melodic rap
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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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  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 0x17f599b911e2d373a2e39c5a87aa6513c41aa38903be78da7d4c057eea11f066. 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/QZES72597418.
    date published: 2026-07-05T19:27:56Z
  audio: STRIPTEASE - Radio Edit
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Acousticness
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got 2 many crushes (Live, at Winter Warmte, Zwolle)
type: MusicAlbum
date published: 2025-02-25

death tango
type: MusicAlbum
date published: 2025-02-28

WAYA WAYA
type: MusicAlbum
date published: 2025-06-02

Spirit Talk
type: MusicAlbum
date published: 2025-06-11

ELEV8
type: MusicAlbum
date published: 2025-08-10

The Message
type: MusicAlbum
date published: 2025-08-14

400TRILLION2ONE
type: MusicAlbum
date published: 2025-08-22

Hit It (Record Cut)
type: MusicAlbum
date published: 2025-08-26

JazzRap
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date published: 2025-09-05
track: JazzRap
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x7f54810b5a211e23bd65d9720ab317c40ff42861119ddc3b213be8ea00e7f4e3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7P2552232
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  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 0x7f54810b5a211e23bd65d9720ab317c40ff42861119ddc3b213be8ea00e7f4e3. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/QZZ7P2552232.
    date published: 2026-07-06T07:16:32Z
  audio: JazzRap
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 149.995
    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: 0.621
    additional property: Energy
      type: PropertyValue
      value: 0.828
    additional property: Speechiness
      type: PropertyValue
      value: 0.19
    additional property: Acousticness
      type: PropertyValue
      value: 0.053
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.704
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.381
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

GoodTalk
type: MusicAlbum
date published: 2025-09-16

PRIME
type: MusicAlbum
date published: 2025-10-22

A.M.S (XXX)
type: MusicAlbum
date published: 2025-10-27

DYSTOPIAN NIGHTS
type: MusicAlbum
date published: 2025-10-30