穴熊
type: MusicGroup
genre: dream pop
genre: slowcore
popularity: 7
followers: 167
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4d211b3526227177a2a4d0ac430b9c4dcfe9abe84f9bc7b0ee34ec64cb933996
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9018ec5f-4606-4505-859b-29d6fe91f593.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9018ec5f-4606-4505-859b-29d6fe91f593.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9018ec5f-4606-4505-859b-29d6fe91f593
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4d211b3526227177a2a4d0ac430b9c4dcfe9abe84f9bc7b0ee34ec64cb933996","name":"穴熊","registered_at":"2026-06-17T15:40:45Z","symbol":"NIM1441402","token_address":"0x43d106fd497533b3d178e1877876842c3717f6d8","type":"artist","uuid":"9018ec5f-4606-4505-859b-29d6fe91f593"}
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d211b3526227177a2a4d0ac430b9c4dcfe9abe84f9bc7b0ee34ec64cb933996. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9018ec5f-4606-4505-859b-29d6fe91f593.json and https://artists.proofprofile.net/proofs/artist/9018ec5f-4606-4505-859b-29d6fe91f593.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x4d211b3526227177a2a4d0ac430b9c4dcfe9abe84f9bc7b0ee34ec64cb933996","name":"穴熊","registered_at":"2026-06-17T15:40:45Z","symbol":"NIM1441402","token_address":"0x43d106fd497533b3d178e1877876842c3717f6d8","type":"artist","uuid":"9018ec5f-4606-4505-859b-29d6fe91f593"}
album: 変な話/四畳半
  type: MusicAlbum
  date published: 2024-04-28
album: ドライブ
  type: MusicAlbum
  date published: 2025-01-29
album: 光
  type: MusicAlbum
  date published: 2025-02-26