Sean Na Na
type: MusicGroup
genre: retro soul
description: Sean Na Na is the guitar pop project of Sean Tillmann (who also performs as Har Mar Superstar). The project started as a solo outlet for Tillmann's songs that did not quite fit with his noise band Cal
popularity: 3
followers: 934
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b38e35d025eb4e67bb4e5b0ea1abc3b7d6afc54c9149853f14c4a4e6452cf93
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f9e870cc-2f0a-48fd-ac75-bfad0cf6ccbc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f9e870cc-2f0a-48fd-ac75-bfad0cf6ccbc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f9e870cc-2f0a-48fd-ac75-bfad0cf6ccbc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7b38e35d025eb4e67bb4e5b0ea1abc3b7d6afc54c9149853f14c4a4e6452cf93","name":"Sean Na Na","registered_at":"2026-06-21T16:48:19Z","symbol":"NIM1977008","token_address":"0xaaf52870821716cd5f3c7966b9db3fd1bc4a3351","type":"artist","uuid":"f9e870cc-2f0a-48fd-ac75-bfad0cf6ccbc"}
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 0x7b38e35d025eb4e67bb4e5b0ea1abc3b7d6afc54c9149853f14c4a4e6452cf93. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f9e870cc-2f0a-48fd-ac75-bfad0cf6ccbc.json and https://artists.proofprofile.net/proofs/artist/f9e870cc-2f0a-48fd-ac75-bfad0cf6ccbc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x7b38e35d025eb4e67bb4e5b0ea1abc3b7d6afc54c9149853f14c4a4e6452cf93","name":"Sean Na Na","registered_at":"2026-06-21T16:48:19Z","symbol":"NIM1977008","token_address":"0xaaf52870821716cd5f3c7966b9db3fd1bc4a3351","type":"artist","uuid":"f9e870cc-2f0a-48fd-ac75-bfad0cf6ccbc"}
album: ...and His Baby Blue
  type: MusicAlbum
  date published: 1998
album: ...and His Baby Blue
  type: MusicAlbum
  date published: 1998-11-03
album: Dance 'til Your Baby Is A Man
  type: MusicAlbum
  date published: 2000
album: Return Of The Unicorn
  type: MusicAlbum
  date published: 2000
album: Dance 'til Your Baby Is a Man
  type: MusicAlbum
  date published: 2000-05-02
album: Return of the Unicorn EP
  type: MusicAlbum
  date published: 2000-10-31
album: My Majesty
  type: MusicAlbum
  date published: 2003-12-16
album: LIVE [in Spaceland - August 7th, 2006]
  type: MusicAlbum
  date published: 2006-08-14
album: Family Trees Or: Cope We Must
  type: MusicAlbum
  date published: 2007-06-05
album: Family Trees Or: CoPe We Must
  type: MusicAlbum
  date published: 2007-06-05
album: Family Trees Or: CoPe We Must
  type: MusicAlbum
  date published: 2007-06-05
album: Family Trees Or: CoPe We Must
  type: MusicAlbum
  date published: 2007-06-05