Herman Ryabtsev
type: MusicGroup
genre: gregorian chant
popularity: 18
followers: 494
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce6e192246a9e58b97661814b3ad242d26dfa80ff07a3b1a70b51bdf29110f0c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953772
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c93843ca-bc4d-459a-8e9d-9dd885f376d1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c93843ca-bc4d-459a-8e9d-9dd885f376d1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c93843ca-bc4d-459a-8e9d-9dd885f376d1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T10:33:29Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0xce6e192246a9e58b97661814b3ad242d26dfa80ff07a3b1a70b51bdf29110f0c","name":"Herman Ryabtsev","registered_at":"2026-06-15T01:34:56Z","symbol":"NIM0640676","token_address":"0xd299994259c9f75bf624a47c8cd29186b18ca47d","type":"artist","uuid":"c93843ca-bc4d-459a-8e9d-9dd885f376d1"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce6e192246a9e58b97661814b3ad242d26dfa80ff07a3b1a70b51bdf29110f0c. Chain 2 (Bitcoin): anchored in block 953773 (2026-06-15T10:40:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c93843ca-bc4d-459a-8e9d-9dd885f376d1.json and https://artists.proofprofile.net/proofs/artist/c93843ca-bc4d-459a-8e9d-9dd885f376d1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T10:40:45Z
  text: {"copyright_id":"0xce6e192246a9e58b97661814b3ad242d26dfa80ff07a3b1a70b51bdf29110f0c","name":"Herman Ryabtsev","registered_at":"2026-06-15T01:34:56Z","symbol":"NIM0640676","token_address":"0xd299994259c9f75bf624a47c8cd29186b18ca47d","type":"artist","uuid":"c93843ca-bc4d-459a-8e9d-9dd885f376d1"}
album: Ecclesia
  type: MusicAlbum
  date published: 2011
  track: Canon eucharistique
    type: MusicRecording
    duration: PT8M6S
    duration ms: 486013
    explicit: false
    by artist: Herman Ryabtsev
    in album: Ecclesia
      type: MusicAlbum
      date published: 2011
    genre: gregorian chant
    isrc code: FRX211105009
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
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      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211105009
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb80805fefae4afa743db475af0bb961eede9354ed5ef699bbe8a246c14b99f90. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/FRX211105009.
      date published: 2026-07-05T01:12:41Z
    audio: Canon eucharistique
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 181.855
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.117
      additional property: Energy
        type: PropertyValue
        value: 0.201
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.961
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.205
      additional property: Liveness
        type: PropertyValue
        value: 0.118
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.039
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.972
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: Tropaire du dimanche
    type: MusicRecording
    duration: PT3M13S
    duration ms: 193040
    explicit: false
    by artist: Herman Ryabtsev
    in album: Ecclesia
      type: MusicAlbum
      date published: 2011
    genre: gregorian chant
    isrc code: FRX211105011
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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      type: PropertyValue
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958975
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX211105011
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T08:29:13Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d23ac8e97807ae364c95a0d8962270575161d82d2ebeba9c3f22d47855b3410. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T08:29:13Z), 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/FRX211105011.
      date published: 2026-07-21T08:29:13Z
    audio: Tropaire du dimanche
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 146.336
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.241
      additional property: Energy
        type: PropertyValue
        value: 0.231
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.986
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.193
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.266
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Ecclesia (Les chefs-d'oeuvre du chant orthodoxe)

Loudness (dB)
type: PropertyValue
value: -12.215

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major

Ecclesia (Les chefs-d'oeuvre du chant orthodoxe)
type: MusicAlbum
date published: 2011-05-30