Tensor
type: MusicGroup
genre: djent
genre: progressive metal
description: right|thumb|300px|The second-order Cauchy stress tensor describes the stress experienced by a material at a given point. For any unit vector , the product is a vector, denoted , that quantifies the
popularity: 3
followers: 1141
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c117b625430fe2b3ddfc053c50c1e3d374e1b916d3961c0b609ea101978994c. 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/63219c3b-74dc-46cb-a3c4-6892c1c8b2e3.json and https://artists.proofprofile.net/proofs/artist/63219c3b-74dc-46cb-a3c4-6892c1c8b2e3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
album: New
  type: MusicAlbum
  date published: 2020-12-11
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  type: MusicAlbum
  date published: 2021-01-15
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  date published: 2021-02-05
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  date published: 2021-02-26
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  type: MusicAlbum
  date published: 2021-03-19
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  type: MusicAlbum
  date published: 2021-04-09
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  type: MusicAlbum
  date published: 2021-04-30
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  type: MusicAlbum
  date published: 2021-05-21
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  date published: 2021-06-11
album: TOKYO DJRIFT
  type: MusicAlbum
  date published: 2024-07-12
album: Mathador
  type: MusicAlbum
  date published: 2025-05-16
  track: Mathador
    type: MusicRecording
    duration: PT4M58S
    duration ms: 298848
    explicit: false
    by artist: Tensor
    in album: Mathador
      type: MusicAlbum
      date published: 2025-05-16
    genre: djent
    genre: progressive metal
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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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80d2794c8cd1dc694e8b959cbb8e0ddd519f774ed36d316043546abafa0120f0. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), 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/QZMEQ2560989.
      date published: 2026-07-13T00:36:44Z
    audio: Mathador
      type: AudioObject
      additional property: Tempo (BPM)
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      additional property: Valence (Positivity)
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