Marsy
type: MusicGroup
popularity: 3
followers: 460
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdcd89f77fbd052a6d7a7b3630d2136c138f9f60da747ca189a11f631148ed8af
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b361404a-4370-4e7f-97ba-22c1bcffd369.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b361404a-4370-4e7f-97ba-22c1bcffd369.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b361404a-4370-4e7f-97ba-22c1bcffd369
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
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 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 0xdcd89f77fbd052a6d7a7b3630d2136c138f9f60da747ca189a11f631148ed8af. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b361404a-4370-4e7f-97ba-22c1bcffd369.json and https://artists.proofprofile.net/proofs/artist/b361404a-4370-4e7f-97ba-22c1bcffd369.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
album: Valentine's Day
  type: MusicAlbum
  date published: 2020-08-14
album: Birds
  type: MusicAlbum
  date published: 2020-08-15
album: YYZ
  type: MusicAlbum
  date published: 2020-09-28
album: Say No More
  type: MusicAlbum
  date published: 2020-12-24
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  type: MusicAlbum
  date published: 2021-06-26
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  type: MusicAlbum
  date published: 2021-11-05
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  type: MusicAlbum
  date published: 2024-07-12
album: Sunshine State
  type: MusicAlbum
  date published: 2024-07-19
album: Homecoming
  type: MusicAlbum
  date published: 2024-07-26
album: Brat
  type: MusicAlbum
  date published: 2024-08-02
album: Route 66
  type: MusicAlbum
  date published: 2024-08-09
album: Cicada
  type: MusicAlbum
  date published: 2024-08-16
album: Birds
  type: MusicAlbum
  date published: 2024-08-23
album: Valentine's Day
  type: MusicAlbum
  date published: 2024-09-06
album: BLUE / TSUNAMI
  type: MusicAlbum
  date published: 2025-01-31
album: OPERATOR
  type: MusicAlbum
  date published: 2025-10-03