Dan Walker
type: MusicGroup
genre: choral
popularity: 4
followers: 140
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x738dfdc3eeabe81922b81a986c13c09467f06a57c7dd86ce6b19aec2f25b4a1c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/56a6f019-cf24-4a73-8510-77459fc071cf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/56a6f019-cf24-4a73-8510-77459fc071cf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/56a6f019-cf24-4a73-8510-77459fc071cf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x738dfdc3eeabe81922b81a986c13c09467f06a57c7dd86ce6b19aec2f25b4a1c","name":"Dan Walker","registered_at":"2026-06-16T19:51:40Z","symbol":"NIM1157822","token_address":"0x293212861197a4343a405389b7f7c61c9f7c0700","type":"artist","uuid":"56a6f019-cf24-4a73-8510-77459fc071cf"}
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 0x738dfdc3eeabe81922b81a986c13c09467f06a57c7dd86ce6b19aec2f25b4a1c. 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/56a6f019-cf24-4a73-8510-77459fc071cf.json and https://artists.proofprofile.net/proofs/artist/56a6f019-cf24-4a73-8510-77459fc071cf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x738dfdc3eeabe81922b81a986c13c09467f06a57c7dd86ce6b19aec2f25b4a1c","name":"Dan Walker","registered_at":"2026-06-16T19:51:40Z","symbol":"NIM1157822","token_address":"0x293212861197a4343a405389b7f7c61c9f7c0700","type":"artist","uuid":"56a6f019-cf24-4a73-8510-77459fc071cf"}
album: Waves II
  type: MusicAlbum
  date published: 2013
album: Explosion Of Bones
  type: MusicAlbum
  date published: 2014-07-07
album: Offering My Soul
  type: MusicAlbum
  date published: 2015-06-25
track: Ave Maria (Arr. Dan Walker)

Ave Maria (Arr. Dan Walker)
type: MusicRecording
duration: PT3M22S
duration ms: 202853
explicit: false
by artist: Vladimir Vavilov
by artist: Dan Walker
by artist: Aiko Goto
by artist: Alexandre Oguey
by artist: Daniel Yeadon
by artist: Gondwana Voices
by artist: Helena Rathbone
by artist: Maxime Bibeau
by artist: Nicole Forsyth
by artist: Paul Stanhope
by artist: Lyn Williams
in album: Dreamings
  type: MusicAlbum
  date published: 2006-01-20
isrc code: AUAB00650014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:23:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71c0c6d53aaeefeb65e4a7924fe4eb085ef7c59ef29ae7e7c2b018e56f54484f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957041
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957041
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB00650014
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T13:25:45+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: 957041
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-07T13:25:45+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 0x71c0c6d53aaeefeb65e4a7924fe4eb085ef7c59ef29ae7e7c2b018e56f54484f. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), 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/AUAB00650014.
  date published: 2026-07-07T13:52:39Z
audio: Ave Maria (Arr. Dan Walker)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.05
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.108
  additional property: Energy
    type: PropertyValue
    value: 0.079
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.918
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.943
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor