Retrace The Lines
type: MusicGroup
genre: metalcore
genre: post-hardcore
popularity: 22
followers: 2092
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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: 2026-06-12T19:24:56Z
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album: The Broken Ones
  type: MusicAlbum
  date published: 2012-01-01
album: Feel Alive
  type: MusicAlbum
  date published: 2013-11-21
album: Handmade Crown
  type: MusicAlbum
  date published: 2015-02-16
album: Handmade Crown
  type: MusicAlbum
  date published: 2015-04-16
album: Handmade Crown
  type: MusicAlbum
  date published: 2016-06-10
album: Handmade Crown
  type: MusicAlbum
  date published: 2016-06-10
album: The Broken Ones
  type: MusicAlbum
  date published: 2016-09-29
album: Departures / Arrival
  type: MusicAlbum
  date published: 2017-01-01
album: Departures / Arrival
  type: MusicAlbum
  date published: 2017-04-19
album: Infinite
  type: MusicAlbum
  date published: 2020-02-11
album: A New Hope
  type: MusicAlbum
  date published: 2020-06-04
album: Don't Drag Me With You
  type: MusicAlbum
  date published: 2020-09-17
album: Scars
  type: MusicAlbum
  date published: 2020-10-20
album: Scars
  type: MusicAlbum
  date published: 2020-10-20
album: Parasite
  type: MusicAlbum
  date published: 2023-10-13
album: Lost Cause
  type: MusicAlbum
  date published: 2023-11-29
album: D.O.T.I.
  type: MusicAlbum
  date published: 2024-01-10
album: Goodbye
  type: MusicAlbum
  date published: 2024-03-08
album: Echoes Of Love And Hate
  type: MusicAlbum
  date published: 2024-04-09
album: Echoes of Love and Hate
  type: MusicAlbum
  date published: 2024-04-09
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      type: MusicAlbum
      date published: 2024-04-09
    genre: metalcore
    genre: post-hardcore
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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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x349da38a30db047fd866f6329a46bc9a9e418e9a1ad4df97b963333e7fa475c9. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZHN72481120.
      date published: 2026-07-05T18:48:28Z
    audio: Victims
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  track: Lost Cause
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    in album: Echoes of Love and Hate
      type: MusicAlbum
      date published: 2024-04-09
    genre: metalcore
    genre: post-hardcore
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    subject of: OpenTimestamps Proof of Existence
    audio: Lost Cause
  track: D.O.T.I.
album: Dopamine

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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4114ad3c43c77c6842061fc9f9ad640201eb260ce088e4243907a4173ada1de. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZTBF2384408.
date published: 2026-07-06T01:26:17Z

Lost Cause
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additional property: Tempo (BPM)
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additional property: Mode (Major/Minor)
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additional property: Danceability
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additional property: Acousticness
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D.O.T.I.
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duration: PT3M37S
duration ms: 217545
explicit: false
by artist: Retrace The Lines
in album: Echoes of Love and Hate
  type: MusicAlbum
  date published: 2024-04-09
genre: metalcore
genre: post-hardcore
isrc code: QZWFQ2314879
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additional property: OTSVerifyInstructions
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  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 0x52c69af8b59948df96245c2cf52c2d6a4af1a9fc267663fa7b0410ffef7bfce3. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QZWFQ2314879.
  date published: 2026-07-18T19:27:02Z
audio: D.O.T.I.
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Dopamine
type: MusicAlbum
date published: 2025-02-11