La Venta
type: MusicGroup
description: thumb|"The Grandmother", La Venta (reproduction). Officially known as Monument 5, this statue is thought to represent a kneeling "baby-face" figure. La Venta is a pre-Columbian archaeological site of
popularity: 18
followers: 115
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSTimestamp
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb64b248e73a79a3d57959d0a45c5fa4fce88477b8c79c5a9826c679f78dc813. Chain 2 (Bitcoin): anchored in block 953736 (2026-06-15T03:21:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/98d3d58a-c672-4af7-ae5a-543d71d7b2d3.json and https://artists.proofprofile.net/proofs/artist/98d3d58a-c672-4af7-ae5a-543d71d7b2d3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T03:21:19Z
  text: {"copyright_id":"0xdb64b248e73a79a3d57959d0a45c5fa4fce88477b8c79c5a9826c679f78dc813","name":"La Venta","registered_at":"2026-06-14T20:33:48Z","symbol":"NIM0568765","token_address":"0xecf66752a6a02bb57bfc709f33f2c09fff614d71","type":"artist","uuid":"98d3d58a-c672-4af7-ae5a-543d71d7b2d3"}
track: Rocayisa

Rocayisa
type: MusicRecording
duration: PT4M32S
duration ms: 272533
explicit: false
by artist: Moraíto
by artist: La Venta
in album: Morao Morao
  type: MusicAlbum
  date published: 2004-01-31
genre: flamenco
genre: flamenco-guitar
genre: cante-flamenco
isrc code: ES5120400832
additional property: CopyrightID
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ad7bbfd775d9e44ac9c5f217e124e45979c9a78fd227a6b50557cdfd4d444ad. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/ES5120400832.
  date published: 2026-06-13T17:25:41Z
audio: Rocayisa
  type: AudioObject
  additional property: Tempo (BPM)
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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
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    value: F#
  additional property: Mode Name
    type: PropertyValue
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