Baylor University A Cappella Choir
type: MusicGroup
genre: choral
popularity: 4
followers: 226
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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 0x0f232bcf15419dbd9ef7e5561ac0b9b2d35ba60b219a50f7728bee9d248dfc44. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/682ccb57-3110-4da7-af1f-cbea3b2d9311.json and https://artists.proofprofile.net/proofs/artist/682ccb57-3110-4da7-af1f-cbea3b2d9311.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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album: 2014 Texas Music Educators Association (TMEA): Baylor University A Cappella Choir [Live]
  type: MusicAlbum
  date published: 2014-07-01
  track: Stars (Live)
album: 2014 Texas Music Educators Association (TMEA): Baylor University A Cappella Choir [Live]
  type: MusicAlbum
  date published: 2014-07-01
track: Requiem Mass: Dies Irae

Stars (Live)
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duration: PT5M52S
duration ms: 352144
explicit: false
by artist: Baylor University A Cappella Choir
in album: 2014 Texas Music Educators Association (TMEA): Baylor University A Cappella Choir [Live]
  type: MusicAlbum
  date published: 2014-07-01
genre: choral
isrc code: USVZX1404904
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Stars (Live)
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  additional property: Liveness
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  additional property: Loudness (dB)
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  additional property: Key Name
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    value: D
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Requiem Mass: Dies Irae
type: MusicRecording
duration: PT2M31S
duration ms: 151253
explicit: false
by artist: Zdeněk Lukáš
by artist: Anonymous
by artist: Baylor University A Cappella Choir
by artist: Brian Schmidt
in album: Herbert Howells: Requiem - Sacred and Secular Choral Music
  type: MusicAlbum
  date published: 2021-03-29
isrc code: QM6MZ2136760
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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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x132ebd1c4b4b7faad23d1ef8533446e123f6fa24852c067d8afe5613ec3f3b16. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QM6MZ2136760.
  date published: 2026-07-08T03:22:41Z
audio: Requiem Mass: Dies Irae
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