CHAARTS Chamber Artists
type: MusicGroup
popularity: 33
followers: 411
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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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  date published: 2026-06-12T19:28:13Z
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track: Die Rheinnixen: Komm zu uns und sing und tanze, "Barcarole" (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
track: La filleule des fées: The Pink Fairy (Arr. for Chamber Ensemble by Wolfgang Renz)
track: Lamento della Ninfa, SV 163: Amor, amor (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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  by artist: Claudio Monteverdi
  by artist: Regula Mühlemann
  by artist: CHAARTS Chamber Artists
  in album: Fairy Tales
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    date published: 2022-10-07
  genre: classical
  genre: early-music
  genre: baroque
  genre: italian-baroque
  genre: italian-renaissance
  genre: madrigal
  genre: renaissance
  isrc code: DEE862200926
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x296640f6f1b47d1a6ddc2056765fe238fd4d48f772ea1ab59ec5daba158d65dd. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEE862200926.
    date published: 2026-07-08T03:53:27Z
  audio: Lamento della Ninfa, SV 163: Amor, amor (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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track: Neue Liebe, Op. 19a, No. 4/ MWV K 70 (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
track: Peer Gynt, Suite No. 2, Op. 55: I. Ingrid's Lament (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
track: Peer Gynt, Suite No. 2, Op. 55: IV. Solveig's Song (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
track: Lamento della Ninfa, SV 163: Amor, amor (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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  by artist: Regula Mühlemann
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Lamento della Ninfa, SV 163: Amor, amor (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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track: Rusalka, Op. 114, B. 203: Song to the Moon (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
track: Cendrillon, DO 5: Ah! Douce enfant (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
track: Falstaff: Ninfe! Elfi! Silfi!...Sul fil d'un soffio etesio (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
track: The Fairy Queen, Z. 629: O let me weep ever, ever weep (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
track: The Fairy Queen, Z. 629: Turn then thine eyes (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
track: A Midsummer Night's Dream, Op. 64: Be kind and courteous to this gentleman (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
track: A Midsummer Night's Dream, Op. 64: Come, now a roundel ans a fairy song (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
track: Peer Gynt, Suite No. 2, Op. 55: II. Arabian Dance (Arr. for Chamber Ensemble by Wolfgang Renz)
track: Peer Gynt, Suite No. 2, Op. 55: III. Peer Gynt's Homecoming, Stormy Evening on the Sea (Arr. for Chamber Ensemble by Wolfgang Renz)
track: Peer Gynt, Op. 23, No. 26: Solveig's Cradle Song (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
track: Six Songs, Op. 25, No. 2: A Swan (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
track: Die Rheinnixen: Alles hüllt sich in Dunkel (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)

Die Rheinnixen: Komm zu uns und sing und tanze, "Barcarole" (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
type: MusicRecording
duration: PT4M0S
duration ms: 240773
explicit: false
by artist: Jacques Offenbach
by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
in album: Fairy Tales
  type: MusicAlbum
  date published: 2022-10-07
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
isrc code: DEE862200922
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additional property: OTSTimestamp
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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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Die Rheinnixen: Komm zu uns und sing und tanze, "Barcarole" (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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La filleule des fées: The Pink Fairy (Arr. for Chamber Ensemble by Wolfgang Renz)
type: MusicRecording
duration: PT1M6S
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explicit: false
by artist: Adolphe Adam
by artist: CHAARTS Chamber Artists
in album: Fairy Tales
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  date published: 2022-10-07
isrc code: DEE862200924
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additional property: OTSVerifyInstructions
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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: La filleule des fées: The Pink Fairy (Arr. for Chamber Ensemble by Wolfgang Renz)
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Neue Liebe, Op. 19a, No. 4/ MWV K 70 (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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by artist: Felix Mendelssohn
by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
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  date published: 2022-10-07
genre: classical
genre: early-romantic-era
genre: german-romanticism
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Neue Liebe, Op. 19a, No. 4/ MWV K 70 (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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Peer Gynt, Suite No. 2, Op. 55: I. Ingrid's Lament (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
type: MusicRecording
duration: PT4M9S
duration ms: 249106
explicit: false
by artist: Edvard Grieg
by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
in album: Fairy Tales
  type: MusicAlbum
  date published: 2022-10-07
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: DEE862200935
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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
additional property: BitcoinBlock
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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 0x5c5da2cdf3a8b8ad8b798577de2e74cbdbefbde5e478c475c91e4487bdba013e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DEE862200935.
  date published: 2026-07-08T03:53:27Z
audio: Peer Gynt, Suite No. 2, Op. 55: I. Ingrid's Lament (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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Peer Gynt, Suite No. 2, Op. 55: IV. Solveig's Song (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
type: MusicRecording
duration: PT5M24S
duration ms: 324080
explicit: false
by artist: Edvard Grieg
by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
in album: Fairy Tales
  type: MusicAlbum
  date published: 2022-10-07
genre: classical
genre: late-romantic-era
genre: norwegian-classical
isrc code: DEE862200938
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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/DEE862200938
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc81edaba8c529e6259cf43ba2d69ae3d59f1abaafff23e85870f7110a2b395af. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEE862200938.
  date published: 2026-07-08T03:20:19Z
audio: Peer Gynt, Suite No. 2, Op. 55: IV. Solveig's Song (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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Rusalka, Op. 114, B. 203: Song to the Moon (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
type: MusicRecording
duration: PT7M0S
duration ms: 420386
explicit: false
by artist: Antonín Dvořák
by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
in album: Fairy Tales
  type: MusicAlbum
  date published: 2022-10-07
genre: classical
genre: late-romantic-era
genre: czech-classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5915fd1eb84017e1704b93312aa47acb383f4987f0d94da299a14fb9c2479bba. Chain 2 (Bitcoin): anchored in block 960200 (2026-07-30T02:37:10Z), 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/DEE862200921.
  date published: 2026-07-30T02:37:10Z
audio: Rusalka, Op. 114, B. 203: Song to the Moon (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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  additional property: Tempo (BPM)
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.212
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isrc code: DEE862200921
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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 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

Cendrillon, DO 5: Ah! Douce enfant (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
type: MusicRecording
duration: PT4M55S
duration ms: 295466
explicit: false
by artist: Jules Massenet
by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
in album: Fairy Tales
  type: MusicAlbum
  date published: 2022-10-07
genre: classical
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed6c9a57bcd362f3d82e3538c689905f1672fd3e910cf046a2443a0da55ee029. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/DEE862200923.
  date published: 2026-07-30T14:36:16Z
audio: Cendrillon, DO 5: Ah! Douce enfant (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
  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: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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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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isrc code: DEE862200923
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
  type: PropertyValue
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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 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

Falstaff: Ninfe! Elfi! Silfi!...Sul fil d'un soffio etesio (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
type: MusicRecording
duration: PT5M55S
duration ms: 355280
explicit: false
by artist: Giuseppe Verdi
by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
in album: Fairy Tales
  type: MusicAlbum
  date published: 2022-10-07
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89d87146fae26a643e4e0e2408a0c5b63f5aaf5baec93406628b9a93258d76b4. Chain 2 (Bitcoin): anchored in block 960240 (2026-07-30T09:57:33Z), 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/DEE862200925.
  date published: 2026-07-30T09:57:33Z
audio: Falstaff: Ninfe! Elfi! Silfi!...Sul fil d'un soffio etesio (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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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
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
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isrc code: DEE862200925
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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 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

The Fairy Queen, Z. 629: O let me weep ever, ever weep (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
type: MusicRecording
duration: PT6M47S
duration ms: 407040
explicit: false
by artist: Henry Purcell
by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
in album: Fairy Tales
  type: MusicAlbum
  date published: 2022-10-07
genre: classical
genre: choral
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1e19e27865d3f0ad2182ece19ac845e70d073207f73936e8e55945ef1eb5d44. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/DEE862200928.
  date published: 2026-07-30T09:37:10Z
audio: The Fairy Queen, Z. 629: O let me weep ever, ever weep (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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    value: 2
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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    type: PropertyValue
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isrc code: DEE862200928
additional property: CopyrightID
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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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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 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

The Fairy Queen, Z. 629: Turn then thine eyes (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
type: MusicRecording
duration: PT1M39S
duration ms: 99213
explicit: false
by artist: Henry Purcell
by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
in album: Fairy Tales
  type: MusicAlbum
  date published: 2022-10-07
genre: classical
genre: choral
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c265acc624d97f2506a6c9d006520b0540072f3817c3b43de92a2305129dc8b. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/DEE862200927.
  date published: 2026-07-31T02:19:15Z
audio: The Fairy Queen, Z. 629: Turn then thine eyes (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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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
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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additional property: OTSVerifyInstructions
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A Midsummer Night's Dream, Op. 64: Be kind and courteous to this gentleman (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T12:45:34Z
audio: A Midsummer Night's Dream, Op. 64: Be kind and courteous to this gentleman (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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additional property: OTSVerifyInstructions
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A Midsummer Night's Dream, Op. 64: Come, now a roundel ans a fairy song (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
type: MusicRecording
duration: PT2M8S
duration ms: 128000
explicit: false
by artist: Benjamin Britten
by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
in album: Fairy Tales
  type: MusicAlbum
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:38:45Z
audio: A Midsummer Night's Dream, Op. 64: Come, now a roundel ans a fairy song (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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additional property: OTSVerifyInstructions
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Peer Gynt, Suite No. 2, Op. 55: II. Arabian Dance (Arr. for Chamber Ensemble by Wolfgang Renz)
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duration: PT3M44S
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by artist: Edvard Grieg
by artist: CHAARTS Chamber Artists
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  date published: 2022-10-07
genre: classical
genre: late-romantic-era
genre: norwegian-classical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T20:09:33Z
audio: Peer Gynt, Suite No. 2, Op. 55: II. Arabian Dance (Arr. for Chamber Ensemble by Wolfgang Renz)
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additional property: OTSVerifyInstructions
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Peer Gynt, Suite No. 2, Op. 55: III. Peer Gynt's Homecoming, Stormy Evening on the Sea (Arr. for Chamber Ensemble by Wolfgang Renz)
type: MusicRecording
duration: PT2M44S
duration ms: 164906
explicit: false
by artist: Edvard Grieg
by artist: CHAARTS Chamber Artists
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genre: classical
genre: late-romantic-era
genre: norwegian-classical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Peer Gynt, Suite No. 2, Op. 55: III. Peer Gynt's Homecoming, Stormy Evening on the Sea (Arr. for Chamber Ensemble by Wolfgang Renz)
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additional property: OTSVerifyInstructions
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Peer Gynt, Op. 23, No. 26: Solveig's Cradle Song (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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duration: PT4M4S
duration ms: 244493
explicit: false
by artist: Edvard Grieg
by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
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genre: classical
genre: late-romantic-era
genre: norwegian-classical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
audio: Peer Gynt, Op. 23, No. 26: Solveig's Cradle Song (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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additional property: OTSVerifyInstructions
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Six Songs, Op. 25, No. 2: A Swan (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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duration: PT2M15S
duration ms: 135986
explicit: false
by artist: Edvard Grieg
by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
in album: Fairy Tales
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  date published: 2022-10-07
genre: classical
genre: late-romantic-era
genre: norwegian-classical
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T01:44:32Z
audio: Six Songs, Op. 25, No. 2: A Swan (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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additional property: OTSVerifyInstructions
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Die Rheinnixen: Alles hüllt sich in Dunkel (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
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duration: PT5M5S
duration ms: 305693
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by artist: Jacques Offenbach
by artist: Regula Mühlemann
by artist: CHAARTS Chamber Artists
in album: Fairy Tales
  type: MusicAlbum
  date published: 2022-10-07
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36d25f7a372f385051ff760a8b61b8dd7a1fa3af3de4f8eb064dd169a48061e4. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/DEE862200939.
  date published: 2026-07-31T17:29:52Z
audio: Die Rheinnixen: Alles hüllt sich in Dunkel (Arr. for Soprano and Chamber Ensemble by Wolfgang Renz)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 86.227
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.234
  additional property: Energy
    type: PropertyValue
    value: 0.058
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.029
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEE862200939
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960441
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T17:29:52+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE862200939
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52+00:00
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 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

Energy
type: PropertyValue
value: 0.063

Speechiness
type: PropertyValue
value: 0.047

Acousticness
type: PropertyValue
value: 0.988

Instrumentalness
type: PropertyValue
value: 0.012

Liveness
type: PropertyValue
value: 0.088

Valence (Positivity)
type: PropertyValue
value: 0.072

Loudness (dB)
type: PropertyValue
value: -22.589

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor