Osiris Trio
type: MusicGroup
genre: chamber music
popularity: 6
followers: 176
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additional property: OTSBitcoinBlockVerifyURL
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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 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 0xfdb23d63571d7fd8d37ac23eabe09ff84c62256c348642e7f9c6710b297f0c84. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b5f3d305-7690-408a-a88a-b0ee18e54b71.json and https://artists.proofprofile.net/proofs/artist/b5f3d305-7690-408a-a88a-b0ee18e54b71.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T17:48:00Z
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album: Messiaen: Quatuor Pour La Fin Du Temps / Shostakovich: Seven Romances After Poems by Alexander Blok
  type: MusicAlbum
  date published: 2000-07-01
album: Dvořák, Martin & Ives: Folk Music
  type: MusicAlbum
  date published: 2003-01-01
album: Folk Music
  type: MusicAlbum
  date published: 2003-01-01
album: Melodies of Love and Death - Opera Senza Parole
  type: MusicAlbum
  date published: 2011-06-03
  track: Song to the moon (from “Rusalka”)
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    duration: PT5M41S
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    explicit: false
    by artist: Osiris Trio
    in album: Melodies of Love and Death - Opera Senza Parole
      type: MusicAlbum
      date published: 2011-06-03
    genre: chamber music
    isrc code: NLB151100452
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T21:18:05Z
    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
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee316641f4a14b3a0dc771ece8a8cd0ab6248d47a996b9a7cf8c9e07dd038853. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/NLB151100452.
      date published: 2026-07-03T21:18:05Z
    audio: Song to the moon (from “Rusalka”)
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      additional property: Tempo (BPM)
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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
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      additional property: Acousticness
        type: PropertyValue
        value: 0.987
      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.055
      additional property: Loudness (dB)
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      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
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        value: Major
  track: Addio del passato (from “La Traviata”)
    type: MusicRecording
    duration: PT4M40S
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    by artist: Osiris Trio
    in album: Melodies of Love and Death - Opera Senza Parole
      type: MusicAlbum
      date published: 2011-06-03
    genre: chamber music
    isrc code: NLB151100453
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    additional property: CopyrightStatus
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    additional property: OTSBitcoinBlock
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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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      value: 2026-07-21T00:24:07Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40034dbf7fc8ea7323889e4170891643f4bfe56fbe1a218f03268207b757307f. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/NLB151100453.
      date published: 2026-07-21T00:24:07Z
    audio: Addio del passato (from “La Traviata”)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 85.98
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.273
      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.981
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
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album: Verklärte Nacht - Works for Piano Trio
album: Zimmerman / Wagenaar / Van Geel / De Vries: Cinq our six Bagatelles Brillantes / Azulejos / Akhnaton
album: Osiris Trio & Guests

Instrumentalness
type: PropertyValue
value: 0.128

Liveness
type: PropertyValue
value: 0.071

Valence (Positivity)
type: PropertyValue
value: 0.095

Loudness (dB)
type: PropertyValue
value: -19.071

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Verklärte Nacht - Works for Piano Trio
type: MusicAlbum
date published: 2013-10-11

Zimmerman / Wagenaar / Van Geel / De Vries: Cinq our six Bagatelles Brillantes / Azulejos / Akhnaton
type: MusicAlbum
date published: 2018-10-09

Osiris Trio & Guests
type: MusicAlbum
date published: 2025-09-30