Sarah Makem
type: MusicGroup
genre: celtic
genre: sea shanties
description: Sarah Makem (18 October 1900 – 20 April 1983) a native of Keady, County Armagh, Northern Ireland, was a traditional Irish singer. She was the wife of fiddler Peter Makem, mother of musicians Tommy Ma
popularity: 2
followers: 374
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xddf8c95486fc62721fd3fda8402b5141c46801f7df96cf285e5b09a453d9b161
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954085
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954085
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7aa4aae2-1903-4168-8704-c6a485091bcf.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7aa4aae2-1903-4168-8704-c6a485091bcf.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7aa4aae2-1903-4168-8704-c6a485091bcf
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T10:45:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xddf8c95486fc62721fd3fda8402b5141c46801f7df96cf285e5b09a453d9b161","name":"Sarah Makem","registered_at":"2026-06-17T08:24:11Z","symbol":"NIM1337332","token_address":"0xaaa056bde1cb0f83e09daf41eb6f3569adefbf34","type":"artist","uuid":"7aa4aae2-1903-4168-8704-c6a485091bcf"}
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 0xddf8c95486fc62721fd3fda8402b5141c46801f7df96cf285e5b09a453d9b161. Chain 2 (Bitcoin): anchored in block 954131 (2026-06-17T19:19:19Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7aa4aae2-1903-4168-8704-c6a485091bcf.json and https://artists.proofprofile.net/proofs/artist/7aa4aae2-1903-4168-8704-c6a485091bcf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T19:19:19Z
  text: {"copyright_id":"0xddf8c95486fc62721fd3fda8402b5141c46801f7df96cf285e5b09a453d9b161","name":"Sarah Makem","registered_at":"2026-06-17T08:24:11Z","symbol":"NIM1337332","token_address":"0xaaa056bde1cb0f83e09daf41eb6f3569adefbf34","type":"artist","uuid":"7aa4aae2-1903-4168-8704-c6a485091bcf"}
album: The Heart Is True
  type: MusicAlbum
  date published: 2011
album: The Heart Is True
  type: MusicAlbum
  date published: 2012-04-09
album: The Heart Is True
  type: MusicAlbum
  date published: 2012-09-04