ROLAND
type: MusicGroup
description: Roland (; ; or Rotholandus; or Rolando; died 15 August 778) was a Frankish military leader under Charlemagne who became an epic hero and one of the principal figures in the literary cycle known as t
popularity: 6
followers: 3728
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  value: 2026-06-16T08:36:32Z
additional property: OTSCanonicalRecord
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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f3b03c8559276af0742fa4b124e9acdd493331271e4225c91759f1f334f0c78. Chain 2 (Bitcoin): anchored in block 953915 (2026-06-16T08:36:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/18e71dbe-b3ee-4250-aecc-49b14601a799.json and https://artists.proofprofile.net/proofs/artist/18e71dbe-b3ee-4250-aecc-49b14601a799.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T08:36:32Z
album: Gyere már
  type: MusicAlbum
  date published: 2021-12-05
  track: Gyere már
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    duration: PT2M49S
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    explicit: false
    by artist: ROLAND
    in album: Gyere már
      type: MusicAlbum
      date published: 2021-12-05
    isrc code: FRX282254391
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    additional property: OTSTimestamp
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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
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8e5270716fd10e284490d6efd7043c020cddf598cec958882289c218ce9d747. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/FRX282254391.
      date published: 2026-07-17T08:20:01Z
    audio: Gyere már
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      additional property: Tempo (BPM)
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      additional property: Danceability
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Key Name
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      additional property: Mode Name
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  type: MusicAlbum
  date published: 2022-07-04
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  type: MusicAlbum
  date published: 2025-03-05
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  type: MusicAlbum
  date published: 2025-04-10
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  type: MusicAlbum
  date published: 2025-04-11
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  type: MusicAlbum
  date published: 2025-04-16