Mark Sherman
type: MusicGroup
genre: jazz
popularity: 26
followers: 1776
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde7f7786e256c05a023e68b2f0aaff27e27d957ae7d9acd318d35e1b71e9e869
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f94a76e7-5793-4eac-a63a-227b876ccef6.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f94a76e7-5793-4eac-a63a-227b876ccef6.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f94a76e7-5793-4eac-a63a-227b876ccef6
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xde7f7786e256c05a023e68b2f0aaff27e27d957ae7d9acd318d35e1b71e9e869","name":"Mark Sherman","registered_at":"2026-06-12T14:07:31Z","symbol":"NIM0320712","token_address":"0xb5ec70fb03218b39d3a93e5dc2d829fc10e847fa","type":"artist","uuid":"f94a76e7-5793-4eac-a63a-227b876ccef6"}
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 0xde7f7786e256c05a023e68b2f0aaff27e27d957ae7d9acd318d35e1b71e9e869. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f94a76e7-5793-4eac-a63a-227b876ccef6.json and https://artists.proofprofile.net/proofs/artist/f94a76e7-5793-4eac-a63a-227b876ccef6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xde7f7786e256c05a023e68b2f0aaff27e27d957ae7d9acd318d35e1b71e9e869","name":"Mark Sherman","registered_at":"2026-06-12T14:07:31Z","symbol":"NIM0320712","token_address":"0xb5ec70fb03218b39d3a93e5dc2d829fc10e847fa","type":"artist","uuid":"f94a76e7-5793-4eac-a63a-227b876ccef6"}
album: Spiral Staircase
  type: MusicAlbum
  date published: 1997
album: High Rollin'
  type: MusicAlbum
  date published: 1998
album: Please, Professor
  type: MusicAlbum
  date published: 2005-01-01
album: Family First
  type: MusicAlbum
  date published: 2007-04-23
album: Live At the Birds Eye
  type: MusicAlbum
  date published: 2008-05-20
album: The Mark Sherman 4tet Live @ Chorus Jazz Club
  type: MusicAlbum
  date published: 2012
album: The L.A. Sessions
  type: MusicAlbum
  date published: 2012-02-21
album: Interplay
  type: MusicAlbum
  date published: 2015-05-26
album: Interplay
  type: MusicAlbum
  date published: 2015-05-26
album: Interplay
  type: MusicAlbum
  date published: 2015-05-26
album: Interplay
  type: MusicAlbum
  date published: 2015-05-26
album: Interplay
  type: MusicAlbum
  date published: 2015-05-26
album: I Went Out A-Lookin'
  type: MusicAlbum
  date published: 2016-09-16
album: Spiral Staircase
  type: MusicAlbum
  date published: 2019-06-08
album: Fulcrum Point
  type: MusicAlbum
  date published: 2019-06-08
album: High Rollin'
  type: MusicAlbum
  date published: 2019-06-08
album: My Other Voice
  type: MusicAlbum
  date published: 2019-08-16
album: Bright Light
  type: MusicAlbum
  date published: 2022-05-13
album: With Freedom
  type: MusicAlbum
  date published: 2023-06-15
album: Mark Sherman Live At The Bird's Eye Vol. 2
  type: MusicAlbum
  date published: 2024-03-16
album: Mark Sherman Bop Contest
  type: MusicAlbum
  date published: 2025-11-03