Fraction
type: MusicGroup
genre: acid rock
genre: krautrock
genre: psychedelic rock
genre: stoner rock
description: thumb|A cake with one quarter (one fourth) removed. The remaining three fourths are shown by dotted lines and labeled by the . A fraction (from , "broken") represents a part of a whole or, more gener
popularity: 9
followers: 2869
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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: 2026-06-17T08:11:48Z
album: Moon Blood
  type: MusicAlbum
  date published: 1971
album: Moon Blood
  type: MusicAlbum
  date published: 1971
album: Moon Blood
  type: MusicAlbum
  date published: 2015-12-17
album: Moon Blood
  type: MusicAlbum
  date published: 2023-07-14
  track: Sanc-Divided
    type: MusicRecording
    duration: PT3M51S
    duration ms: 231426
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    by artist: Fraction
    in album: Moon Blood
      type: MusicAlbum
      date published: 2023-07-14
    genre: acid rock
    genre: krautrock
    genre: psychedelic rock
    genre: stoner rock
    isrc code: USMEX1000022
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x869cc76d1475f76416d28c564f9dc4d67c305efd4a111952505eb7d91fff28f1. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USMEX1000022.
      date published: 2026-07-04T11:19:20Z
    audio: Sanc-Divided
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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        type: PropertyValue
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      additional property: Danceability
        type: PropertyValue
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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  track: Come Out Of Her
    type: MusicRecording
    duration: PT4M56S
    duration ms: 296000
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    by artist: Fraction
    in album: Moon Blood
      type: MusicAlbum
      date published: 2023-07-14
    genre: acid rock
    genre: krautrock
    genre: psychedelic rock
    genre: stoner rock
    isrc code: USMEX1000023
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fa71f8696dec28359ae3be2d965a15a433c40cbb650899ac9b0dde38eacb59d. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/USMEX1000023.
      date published: 2026-07-20T01:04:02Z
    audio: Come Out Of Her
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
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  track: Eye Of The Hurricane

Energy
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value: 0.409

Speechiness
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value: 0.03

Acousticness
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Instrumentalness
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value: 0

Liveness
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value: 0.24

Valence (Positivity)
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value: 0.527

Loudness (dB)
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value: -10.714

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

Eye Of The Hurricane
type: MusicRecording
duration: PT8M56S
duration ms: 536466
explicit: false
by artist: Fraction
in album: Moon Blood
  type: MusicAlbum
  date published: 2023-07-14
genre: acid rock
genre: krautrock
genre: psychedelic rock
genre: stoner rock
isrc code: USMEX1000024
additional property: CopyrightID
additional property: CopyrightStatus
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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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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 0x15a12dbccfe54a6d8feac00a44e203af270adf62f88c465e15d6a704ce62a4af. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/USMEX1000024.
  date published: 2026-07-06T01:25:57Z
audio: Eye Of The Hurricane
  type: AudioObject
  additional property: Tempo (BPM)
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