2bear
type: MusicGroup
popularity: 2
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde47c048969138fdfe9509a7816f3ac8ea38b41bffa57f4924a5fb5ef3716249
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953860
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953860
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/02bcdff2-67ed-4ad3-9578-7c947b78f97d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/02bcdff2-67ed-4ad3-9578-7c947b78f97d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/02bcdff2-67ed-4ad3-9578-7c947b78f97d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T23:55:46Z
additional property: OTSCanonicalRecord
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 0xde47c048969138fdfe9509a7816f3ac8ea38b41bffa57f4924a5fb5ef3716249. Chain 2 (Bitcoin): anchored in block 953877 (2026-06-16T02:39:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/02bcdff2-67ed-4ad3-9578-7c947b78f97d.json and https://artists.proofprofile.net/proofs/artist/02bcdff2-67ed-4ad3-9578-7c947b78f97d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T02:39:16Z
album: 225do/gekkou
  type: MusicAlbum
  date published: 2025-03-02
album: 225℃/月光
  type: MusicAlbum
  date published: 2025-03-02
album: 2bear
  type: MusicAlbum
  date published: 2025-03-10
album: bear radio
  type: MusicAlbum
  date published: 2025-03-10
album: べあ☆らじ
  type: MusicAlbum
  date published: 2025-03-10
album: 二熊
  type: MusicAlbum
  date published: 2025-03-10
album: 2bear totose first half
  type: MusicAlbum
  date published: 2025-03-14
album: 二熊ととせ 前半
  type: MusicAlbum
  date published: 2025-03-14
album: 2bear totose second half
  type: MusicAlbum
  date published: 2025-03-20
album: 二熊ととせ 後半
  type: MusicAlbum
  date published: 2025-03-20
album: いち・に・さん・ぴょん！
  type: MusicAlbum
  date published: 2025-07-06
album: One.Two.Three .Hop!
  type: MusicAlbum
  date published: 2025-07-06