Rodolphe Kreutzer
type: MusicGroup
genre: chamber music
description: Rodolphe Kreutzer (15 November 1766 – 6 January 1831) was a French violinist, teacher, conductor, and composer of forty French operas, including La mort d'Abel (1810). He is probably best known as th
popularity: 10
followers: 1139
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6e6cb9b484a4027a230ad26d01248f2c30376176be122d69ffca290673e24ba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954717
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954717
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f3b8f84f-da7f-476e-8800-7c32c4cd97f1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f3b8f84f-da7f-476e-8800-7c32c4cd97f1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f3b8f84f-da7f-476e-8800-7c32c4cd97f1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T15:47:51Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe6e6cb9b484a4027a230ad26d01248f2c30376176be122d69ffca290673e24ba","name":"Rodolphe Kreutzer","registered_at":"2026-06-21T14:21:32Z","symbol":"NIM1945351","token_address":"0x1e0cc5facb2218a5c5760d6cfd072f5ee3a25b39","type":"artist","uuid":"f3b8f84f-da7f-476e-8800-7c32c4cd97f1"}
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 0xe6e6cb9b484a4027a230ad26d01248f2c30376176be122d69ffca290673e24ba. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f3b8f84f-da7f-476e-8800-7c32c4cd97f1.json and https://artists.proofprofile.net/proofs/artist/f3b8f84f-da7f-476e-8800-7c32c4cd97f1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T15:47:51Z
  text: {"copyright_id":"0xe6e6cb9b484a4027a230ad26d01248f2c30376176be122d69ffca290673e24ba","name":"Rodolphe Kreutzer","registered_at":"2026-06-21T14:21:32Z","symbol":"NIM1945351","token_address":"0x1e0cc5facb2218a5c5760d6cfd072f5ee3a25b39","type":"artist","uuid":"f3b8f84f-da7f-476e-8800-7c32c4cd97f1"}
album: Kreutzer: Violin Concertos Nos. 17-19
  type: MusicAlbum
  date published: 2010-10-26
track: 42 Etudes ou caprices: Etude No. 2 in C Major

42 Etudes ou caprices: Etude No. 2 in C Major
type: MusicRecording
duration: PT1M1S
duration ms: 61240
explicit: false
by artist: Rodolphe Kreutzer
by artist: Elizabeth Wallfisch
in album: Kreutzer, R.: 40 Etudes Ou Caprices
  type: MusicAlbum
  date published: 2008-01-01
isrc code: DEB200890102
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T22:44:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x244a8c1172851c30034b592f4021a6dd74345df4c0d566b6e88cd586e0f440d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB200890102
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+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
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: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x244a8c1172851c30034b592f4021a6dd74345df4c0d566b6e88cd586e0f440d7. 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/DEB200890102.
  date published: 2026-07-08T03:22:41Z
audio: 42 Etudes ou caprices: Etude No. 2 in C Major
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.958
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.582
  additional property: Energy
    type: PropertyValue
    value: 0.224
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.631
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.967
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.552
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major