Semme
type: MusicGroup
description: The Semme () is a river in the Creuse and Haute-Vienne departments in central France. Its source is in Saint-Priest-la-Feuille. It flows generally west and is a right tributary of the Gartempe, into
popularity: 25
followers: 2591
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb996c657dd694da1a5d80091801d13856c441da3c225852d0dc573209f36ff02. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b9b53ea3-c499-47c2-bf46-6cf3f19d2595.json and https://artists.proofprofile.net/proofs/artist/b9b53ea3-c499-47c2-bf46-6cf3f19d2595.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Stay the Course
  type: MusicAlbum
  date published: 2019-09-01
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  type: MusicAlbum
  date published: 2019-09-08
album: Voices in My Head
  type: MusicAlbum
  date published: 2019-09-08
album: Fast Forward
  type: MusicAlbum
  date published: 2019-09-11
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  type: MusicAlbum
  date published: 2019-11-10
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  type: MusicAlbum
  date published: 2020-02-14
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  type: MusicAlbum
  date published: 2020-04-14
album: do dat. (tik tok resume)
  type: MusicAlbum
  date published: 2020-07-08
album: do dat. (Tik Tok Resume) [Stop Drop & Roll] [EDR Remix]
  type: MusicAlbum
  date published: 2021-01-31
album: dumptruck.
  type: MusicAlbum
  date published: 2021-03-04
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    in album: dumptruck.
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      date published: 2021-03-04
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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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf76a99e7932be10853fcb5521bc75f9cfd804a6c83f584f0d5a3fac10b491e19. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:50:58Z), 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/QZFZ62185666.
      date published: 2026-07-17T02:50:58Z
    audio: dumptruck.
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album: delicioso. (gringo lito)
  type: MusicAlbum
  date published: 2022-01-20
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  type: MusicAlbum
  date published: 2022-06-17
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  type: MusicAlbum
  date published: 2022-12-04
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  type: MusicAlbum
  date published: 2022-12-13
album: fast forward.
  type: MusicAlbum
  date published: 2023-01-06
album: minding my own.
  type: MusicAlbum
  date published: 2023-02-03