1502
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description: Year 1502 (MDII) was a common year starting on Saturday of the Julian calendar. Events January–March January 1 – Portuguese explorers, led by Gonçalo Coelho, sail into Guanabara Bay, Brazil, mis
popularity: 11
followers: 133
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-15T01:05:33Z
album: TCHECK ÇA MEC
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  date published: 2023-04-08
album: aidiôn
  type: MusicAlbum
  date published: 2023-05-19
album: BELLE FEMME
  type: MusicAlbum
  date published: 2023-06-23
album: ANURA
  type: MusicAlbum
  date published: 2023-08-11
album: SACRIFICE000
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  date published: 2023-10-13
album: MILLION
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album: VAGUE1502
  type: MusicAlbum
  date published: 2023-12-22
album: ME GUSTA LA NOCHE..
  type: MusicAlbum
  date published: 2024-04-12
album: RÊVERIE
  type: MusicAlbum
  date published: 2024-04-26
album: IMMORTEL
  type: MusicAlbum
  date published: 2024-05-17
album: philosophe
  type: MusicAlbum
  date published: 2024-06-08
album: LEONA
  type: MusicAlbum
  date published: 2024-06-28
album: TEAM
  type: MusicAlbum
  date published: 2024-07-12
album: 2JEUNO
  type: MusicAlbum
  date published: 2024-08-30
album: comment!?
  type: MusicAlbum
  date published: 2024-10-30
album: MAN OF THE NIGHT
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  date published: 2024-11-01
  track: lâche ma veste!!!
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9d62bf26295a9ce22b36c32517df5aa9fa65bdb441f65f587e2af43dc5f72c5. 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/QZWFQ2441723.
      date published: 2026-07-03T19:59:51Z
    audio: lâche ma veste!!!
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album: SOUS LA CAPUCHE
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  date published: 2025-02-15
album: HUSKY
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  date published: 2025-03-21
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      date published: 2025-03-21
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    subject of: OpenTimestamps Proof of Existence
    audio: HUSKY
album: Born to Die
album: LAKEL?

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6P2521588

OTSTimestamp
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value: 2026-07-15T15:55:19Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f0e03bdd2d87798cdb13959b51a41764013f9eaf5d1a5ec99925dcf5e7efa5e. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T15:55:19Z), 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/QZK6P2521588.
date published: 2026-07-15T15:55:19Z

HUSKY
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additional property: Speechiness
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additional property: Instrumentalness
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additional property: Valence (Positivity)
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additional property: Mode Name
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Born to Die
type: MusicAlbum
date published: 2025-06-27

LAKEL?
type: MusicAlbum
date published: 2025-10-31