Betty Mars
type: MusicGroup
genre: chanson
description: Betty Mars (born Yvette Baheux, 30 July 1944 – 20 February 1989) was a French singer and actress, best known for her participation in the 1972 Eurovision Song Contest. Early life Mars was the youn
popularity: 3
followers: 383
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc2cb083056f9ff812eb8f1ed4ef9c50903dc0402582ea8da13835944fbd5a2d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/65cbba0b-7fa7-45e6-a1e6-1698b1048cc7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/65cbba0b-7fa7-45e6-a1e6-1698b1048cc7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/65cbba0b-7fa7-45e6-a1e6-1698b1048cc7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcc2cb083056f9ff812eb8f1ed4ef9c50903dc0402582ea8da13835944fbd5a2d","name":"Betty Mars","registered_at":"2026-06-17T01:03:15Z","symbol":"NIM1232148","token_address":"0x160ec82421a72e2eaa153ab010f8e998855ee413","type":"artist","uuid":"65cbba0b-7fa7-45e6-a1e6-1698b1048cc7"}
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 0xcc2cb083056f9ff812eb8f1ed4ef9c50903dc0402582ea8da13835944fbd5a2d. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/65cbba0b-7fa7-45e6-a1e6-1698b1048cc7.json and https://artists.proofprofile.net/proofs/artist/65cbba0b-7fa7-45e6-a1e6-1698b1048cc7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xcc2cb083056f9ff812eb8f1ed4ef9c50903dc0402582ea8da13835944fbd5a2d","name":"Betty Mars","registered_at":"2026-06-17T01:03:15Z","symbol":"NIM1232148","token_address":"0x160ec82421a72e2eaa153ab010f8e998855ee413","type":"artist","uuid":"65cbba0b-7fa7-45e6-a1e6-1698b1048cc7"}
album: Le Voyageur
  type: MusicAlbum
  date published: 1990
album: Le Disque D'or De Betty Mars: Anthologie, Vol. 1
  type: MusicAlbum
  date published: 2000-01-02
album: L'intégrale 1971 - 1975
  type: MusicAlbum
  date published: 2010-04-16