Harmonicats
type: MusicGroup
popularity: 5
followers: 1000
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5189f52da8391674c2eb279edaa816870ed29468786540e78d58fb60928ea07e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954728
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fb591042-4b52-45c7-9708-7442de42c9f3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fb591042-4b52-45c7-9708-7442de42c9f3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fb591042-4b52-45c7-9708-7442de42c9f3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T18:08:38Z
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 0x5189f52da8391674c2eb279edaa816870ed29468786540e78d58fb60928ea07e. Chain 2 (Bitcoin): anchored in block 954728 (2026-06-21T18:08:38Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fb591042-4b52-45c7-9708-7442de42c9f3.json and https://artists.proofprofile.net/proofs/artist/fb591042-4b52-45c7-9708-7442de42c9f3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T18:08:38Z
album: Harmonicats
  type: MusicAlbum
  date published: 1958-10-10
album: Dolls, Dolls, Dolls
  type: MusicAlbum
  date published: 2001-09-20
album: The Cats Around the Horn
  type: MusicAlbum
  date published: 2001-09-20
album: I Love Paris
  type: MusicAlbum
  date published: 2007
album: Star Dust
  type: MusicAlbum
  date published: 2008
album: The Harmonicats
  type: MusicAlbum
  date published: 2009-01-07
album: Ramona
  type: MusicAlbum
  date published: 2010-12-23
album: Ebb Tide
  type: MusicAlbum
  date published: 2011-05-18
album: Harmonicats
  type: MusicAlbum
  date published: 2012-05-31
album: Forever Harmonicats, Vol. 1
  type: MusicAlbum
  date published: 2013
album: Just Harmonicats, Vol. 2
  type: MusicAlbum
  date published: 2013-01-01
album: The Outstanding Harmonicats, Vol. 1
  type: MusicAlbum
  date published: 2013-01-01
album: Forever Harmonicats, Vol. 2
  type: MusicAlbum
  date published: 2013-05-30
album: The Genius of Harmonicats Vol 01
  type: MusicAlbum
  date published: 2013-07-19
album: The Genius of Harmonicats Vol 02
  type: MusicAlbum
  date published: 2013-07-19
album: Truly Harmonicats, Vol. 1
  type: MusicAlbum
  date published: 2013-09-09
album: Truly Harmonicats, Vol. 2
  type: MusicAlbum
  date published: 2013-09-09
album: The Sensational Harmonicats Vol 01
  type: MusicAlbum
  date published: 2013-09-23
album: The Sensational Harmonicats Vol 02
  type: MusicAlbum
  date published: 2013-09-23
album: The Remarkable Harmonicats Vol 02
  type: MusicAlbum
  date published: 2013-10-13
album: The Remarkable Harmonicats Vol 01
  type: MusicAlbum
  date published: 2013-10-13
album: The Outstanding Harmonicats, Vol. 2
  type: MusicAlbum
  date published: 2013-10-31
album: Just Harmonicats, Vol. 1
  type: MusicAlbum
  date published: 2013-11-22
album: Deep Purple
  type: MusicAlbum
  date published: 2014-07-11
album: Cherry Pink and Apple Blossom White
  type: MusicAlbum
  date published: 2015-01-01
album: Try a Little Tenderness
  type: MusicAlbum
  date published: 2015-01-01
album: In the Land of Hi-Fi
  type: MusicAlbum
  date published: 2015-09-01
album: Fiesta
  type: MusicAlbum
  date published: 2020-01-06
album: The Cats around the Horn
  type: MusicAlbum
  date published: 2020-01-06