Sara Saphir
type: MusicGroup
genre: french indie pop
genre: french pop
popularity: 8
followers: 588
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26012bc0b7d86f6df1ec9f45854338c1dd497b0efeee99eb7ca2c14994a6a090
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954513
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9d06233c-4ed5-4fc1-b730-edea776b3195.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9d06233c-4ed5-4fc1-b730-edea776b3195.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9d06233c-4ed5-4fc1-b730-edea776b3195
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T06:31:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x26012bc0b7d86f6df1ec9f45854338c1dd497b0efeee99eb7ca2c14994a6a090","name":"Sara Saphir","registered_at":"2026-06-20T04:22:08Z","symbol":"NIM1510081","token_address":"0xcded59607c7677ce90945784e2bfb8ad9938a64d","type":"artist","uuid":"9d06233c-4ed5-4fc1-b730-edea776b3195"}
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 0x26012bc0b7d86f6df1ec9f45854338c1dd497b0efeee99eb7ca2c14994a6a090. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9d06233c-4ed5-4fc1-b730-edea776b3195.json and https://artists.proofprofile.net/proofs/artist/9d06233c-4ed5-4fc1-b730-edea776b3195.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
  text: {"copyright_id":"0x26012bc0b7d86f6df1ec9f45854338c1dd497b0efeee99eb7ca2c14994a6a090","name":"Sara Saphir","registered_at":"2026-06-20T04:22:08Z","symbol":"NIM1510081","token_address":"0xcded59607c7677ce90945784e2bfb8ad9938a64d","type":"artist","uuid":"9d06233c-4ed5-4fc1-b730-edea776b3195"}
album: Tiens le coup
  type: MusicAlbum
  date published: 2023-01-13
  track: Tiens le coup
    type: MusicRecording
    duration: PT3M17S
    duration ms: 197812
    explicit: false
    by artist: Sara Saphir
    in album: Tiens le coup
      type: MusicAlbum
      date published: 2023-01-13
    genre: french indie pop
    genre: french pop
    isrc code: FR9W12251198
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T19:10:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9d8f5b02a3a339449613833242060adcd34bb979a285fa31d84c1e2a5d66a0a8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12251198
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d8f5b02a3a339449613833242060adcd34bb979a285fa31d84c1e2a5d66a0a8. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12251198.
      date published: 2026-07-05T01:12:41Z
    audio: Tiens le coup
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 122.048
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.718
      additional property: Energy
        type: PropertyValue
        value: 0.423
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.309
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.125
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.231
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.752
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Tiens le coup
  type: MusicAlbum
  date published: 2023-01-13
  track: Tiens le coup
    type: MusicRecording
    duration: PT3M17S
    duration ms: 197812
    explicit: false
    by artist: Sara Saphir
    in album: Tiens le coup
      type: MusicAlbum
      date published: 2023-01-13
    genre: french indie pop
    genre: french pop
    isrc code: FR9W12251198
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T19:10:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9d8f5b02a3a339449613833242060adcd34bb979a285fa31d84c1e2a5d66a0a8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12251198
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d8f5b02a3a339449613833242060adcd34bb979a285fa31d84c1e2a5d66a0a8. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12251198.
      date published: 2026-07-05T10:01:46Z
    audio: Tiens le coup
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 122.04
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.719
      additional property: Energy
        type: PropertyValue
        value: 0.422
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.313
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Preuves d'amour
album: Pansements
album: Bancs d'église
album: Avant toi

Liveness
type: PropertyValue
value: 0.106

Valence (Positivity)
type: PropertyValue
value: 0.229

Loudness (dB)
type: PropertyValue
value: -7.734

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Tiens le coup
type: MusicAlbum
date published: 2023-03-29
track: Tiens le coup - Acoustique
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213559
  explicit: false
  by artist: Sara Saphir
  in album: Tiens le coup
    type: MusicAlbum
    date published: 2023-03-29
  genre: french indie pop
  genre: french pop
  isrc code: FR9W12309869
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T16:07:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbb9824af61830e3568d92cab0524e17aa5532c81cc530aef8d213f8c01aa0e3d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958576
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958576
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12309869
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T16:22:28Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb9824af61830e3568d92cab0524e17aa5532c81cc530aef8d213f8c01aa0e3d. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12309869.
    date published: 2026-07-18T16:22:28Z
  audio: Tiens le coup - Acoustique
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 117.757
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.684
    additional property: Energy
      type: PropertyValue
      value: 0.168
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.855
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.092
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.196
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.185
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Tiens le coup
type: MusicAlbum
date published: 2023-03-29

Preuves d'amour
type: MusicAlbum
date published: 2023-05-04

Preuves d'amour
type: MusicAlbum
date published: 2023-05-04

Pansements
type: MusicAlbum
date published: 2023-07-06

Bancs d'église
type: MusicAlbum
date published: 2024-12-06

Avant toi
type: MusicAlbum
date published: 2025-02-14