Mashmakhan
type: MusicGroup
description: Mashmakhan was a Canadian rock band formed in 1969 in L'Île-Perrot, Quebec. The band is best known for their 1970 hit single "As the Years Go By". The song reached No. 1 in Canada, and the Top 40 in
popularity: 8
followers: 1438
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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 0x7454fd493b8c83ec58224827871924c9e2838c36f312772021b4307ca8219581. Chain 2 (Bitcoin): anchored in block 954647 (2026-06-21T04:36:58Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d784ca52-7dbc-4ae3-8cb4-023df3ebf378.json and https://artists.proofprofile.net/proofs/artist/d784ca52-7dbc-4ae3-8cb4-023df3ebf378.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:36:58Z
album: As the Years Go By
  type: MusicAlbum
  date published: 1969
  track: As the Years Go By
    type: MusicRecording
    duration: PT3M48S
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    by artist: Mashmakhan
    in album: As the Years Go By
      type: MusicAlbum
      date published: 1969
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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 0xdf7d21654ecc2c04828736958e59943b618901bc07e43f92737d67edd3451cbd. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/CAC226900020.
      date published: 2026-07-12T23:27:28Z
    audio: As the Years Go By
      type: AudioObject
      additional property: Tempo (BPM)
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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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album: Psychedelic Essentials
  type: MusicAlbum
  date published: 2011-02-01
track: As the Years Go By

As the Years Go By
type: MusicRecording
duration: PT3M45S
duration ms: 225093
explicit: false
by artist: Mashmakhan
in album: Rock Artifacts, Vol. I (from the Vaults of Columbia and Epic Records)
  type: MusicAlbum
  date published: 1990-01-01
isrc code: USSM11607308
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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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb668ba322f614de1f5a616582360d09a11da29604c4fc73cc40f2db48761235d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USSM11607308.
  date published: 2026-07-02T03:55:08Z
audio: As the Years Go By
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Time Signature
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