Velvet Darkness
type: MusicGroup
description: Velvet Darkness is the first studio album by guitarist Allan Holdsworth, released in 1976 through producer Creed Taylor's CTI Records. The tracks for the album were originally recorded by engineer Ru
popularity: 3
followers: 1415
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x441eaa516f2d94f77ecb03676022a463e89820af00e4b2a82ad20d31a38841c3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b124c28f-997d-465c-b63f-c31662bcd6a6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b124c28f-997d-465c-b63f-c31662bcd6a6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b124c28f-997d-465c-b63f-c31662bcd6a6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x441eaa516f2d94f77ecb03676022a463e89820af00e4b2a82ad20d31a38841c3","name":"Velvet Darkness","registered_at":"2026-06-20T11:57:57Z","symbol":"NIM1607753","token_address":"0xfea63737c269bab36107fdcf912899dd446cc1eb","type":"artist","uuid":"b124c28f-997d-465c-b63f-c31662bcd6a6"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x441eaa516f2d94f77ecb03676022a463e89820af00e4b2a82ad20d31a38841c3. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b124c28f-997d-465c-b63f-c31662bcd6a6.json and https://artists.proofprofile.net/proofs/artist/b124c28f-997d-465c-b63f-c31662bcd6a6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
  text: {"copyright_id":"0x441eaa516f2d94f77ecb03676022a463e89820af00e4b2a82ad20d31a38841c3","name":"Velvet Darkness","registered_at":"2026-06-20T11:57:57Z","symbol":"NIM1607753","token_address":"0xfea63737c269bab36107fdcf912899dd446cc1eb","type":"artist","uuid":"b124c28f-997d-465c-b63f-c31662bcd6a6"}
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