Poly
type: MusicGroup
popularity: 3
followers: 265
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x90ea589690cee94b85763caca66615a59595d9a30fc4df0b0824ec50396014cb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/791edfb0-ca34-4dcc-a116-805988d45b2f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/791edfb0-ca34-4dcc-a116-805988d45b2f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/791edfb0-ca34-4dcc-a116-805988d45b2f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
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 0x90ea589690cee94b85763caca66615a59595d9a30fc4df0b0824ec50396014cb. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/791edfb0-ca34-4dcc-a116-805988d45b2f.json and https://artists.proofprofile.net/proofs/artist/791edfb0-ca34-4dcc-a116-805988d45b2f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
album: Debut
  type: MusicAlbum
  date published: 1966-03-01
album: Majestic Wreck
  type: MusicAlbum
  date published: 2004-01-01
album: 3 Songs By Poly
  type: MusicAlbum
  date published: 2012-08-07
album: Shopno Dekhe Mon
  type: MusicAlbum
  date published: 2015
album: Let's Have an Adventure
  type: MusicAlbum
  date published: 2016-03-25
album: Let's Have an Adventure!
  type: MusicAlbum
  date published: 2016-03-26
album: Let's Have an Adventure!
  type: MusicAlbum
  date published: 2016-03-26
album: Suavemente Boleros
  type: MusicAlbum
  date published: 2021-12-03
album: Boleros em Penumbra-1969
  type: MusicAlbum
  date published: 2021-12-03
album: luar do sertão 1990
  type: MusicAlbum
  date published: 2021-12-03
album: Guitarra Hawaiana Louvam ao SENHOR
  type: MusicAlbum
  date published: 2021-12-03