MAYYER
type: MusicGroup
genre: alternative hip hop
popularity: 8
followers: 111
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcfd6d03eb8394f735fb1082a14aea13325962325382faeaf3a2207902ff06339
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e57cf40f-2e43-42c5-804c-be587c0643e3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e57cf40f-2e43-42c5-804c-be587c0643e3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e57cf40f-2e43-42c5-804c-be587c0643e3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
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 0xcfd6d03eb8394f735fb1082a14aea13325962325382faeaf3a2207902ff06339. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e57cf40f-2e43-42c5-804c-be587c0643e3.json and https://artists.proofprofile.net/proofs/artist/e57cf40f-2e43-42c5-804c-be587c0643e3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
album: Sex & the City: Episodes 1-6
  type: MusicAlbum
  date published: 2012-09-25
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  type: MusicAlbum
  date published: 2018-05-11
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  type: MusicAlbum
  date published: 2019-06-07
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  type: MusicAlbum
  date published: 2019-12-06
album: I Didn't Vote (2020)
  type: MusicAlbum
  date published: 2020-01-31
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  type: MusicAlbum
  date published: 2020-04-24
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  type: MusicAlbum
  date published: 2020-05-08
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  type: MusicAlbum
  date published: 2020-05-29
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  type: MusicAlbum
  date published: 2020-06-19
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  type: MusicAlbum
  date published: 2020-10-30
album: Sznl Affrz 2
  type: MusicAlbum
  date published: 2020-10-30
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  type: MusicAlbum
  date published: 2021-07-16
album: Spring Cleanin
  type: MusicAlbum
  date published: 2021-08-04
album: Another
  type: MusicAlbum
  date published: 2021-09-15
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  type: MusicAlbum
  date published: 2021-11-12