Sarah Meth
type: MusicGroup
popularity: 28
followers: 4605
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xecd194e48fa1ec8d669af6deb67e49aee994c58f10334f3cc4a3811cf658abb7
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/a9ebc0f7-d04f-4a76-82c1-84630ab938e9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a9ebc0f7-d04f-4a76-82c1-84630ab938e9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a9ebc0f7-d04f-4a76-82c1-84630ab938e9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xecd194e48fa1ec8d669af6deb67e49aee994c58f10334f3cc4a3811cf658abb7","name":"Sarah Meth","registered_at":"2026-06-12T06:48:12Z","symbol":"NIM0218986","token_address":"0xaae135aab6de94d5a2740bd5fb9c6a03a69546e3","type":"artist","uuid":"a9ebc0f7-d04f-4a76-82c1-84630ab938e9"}
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 0xecd194e48fa1ec8d669af6deb67e49aee994c58f10334f3cc4a3811cf658abb7. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a9ebc0f7-d04f-4a76-82c1-84630ab938e9.json and https://artists.proofprofile.net/proofs/artist/a9ebc0f7-d04f-4a76-82c1-84630ab938e9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0xecd194e48fa1ec8d669af6deb67e49aee994c58f10334f3cc4a3811cf658abb7","name":"Sarah Meth","registered_at":"2026-06-12T06:48:12Z","symbol":"NIM0218986","token_address":"0xaae135aab6de94d5a2740bd5fb9c6a03a69546e3","type":"artist","uuid":"a9ebc0f7-d04f-4a76-82c1-84630ab938e9"}
album: What Does It Mean
  type: MusicAlbum
  date published: 2020-02-05
album: If Only You Knew
  type: MusicAlbum
  date published: 2020-04-15
album: Dead End World
  type: MusicAlbum
  date published: 2020-06-17
album: Dead End World
  type: MusicAlbum
  date published: 2020-09-09
album: Dead End World
  type: MusicAlbum
  date published: 2020-09-09
album: Blue
  type: MusicAlbum
  date published: 2022-04-20
album: Blue
  type: MusicAlbum
  date published: 2022-04-20
  track: Blue
    type: MusicRecording
    duration: PT3M40S
    duration ms: 220059
    explicit: false
    by artist: Sarah Meth
    in album: Blue
      type: MusicAlbum
      date published: 2022-04-20
    isrc code: UKS422200001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T15:17:22+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xaff561da8251dc468fd636dce0cfed6df0c7be882584ac27750da22be3c1aaec
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958568
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958568
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKS422200001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T15:23:47Z
    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 0xaff561da8251dc468fd636dce0cfed6df0c7be882584ac27750da22be3c1aaec. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), 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/UKS422200001.
      date published: 2026-07-18T15:23:47Z
    audio: Blue
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 109.511
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.337
      additional property: Energy
        type: PropertyValue
        value: 0.137
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.628
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.108
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.043
      additional property: Loudness (dB)
        type: PropertyValue
        value: -16.272
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Leak Your Own Blues
  type: MusicAlbum
  date published: 2022-05-12
  track: Lately Leaving
    type: MusicRecording
    duration: PT3M4S
    duration ms: 184070
    explicit: false
    by artist: Sarah Meth
    in album: Leak Your Own Blues
      type: MusicAlbum
      date published: 2022-05-12
    isrc code: UKS422200003
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T00:17:04+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x580389535270bbe0087c7f7c74816a3058b345b1268b8ec190ec41daf688cd90
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956422
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956422
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKS422200003
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T01:01:38Z
    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 0x580389535270bbe0087c7f7c74816a3058b345b1268b8ec190ec41daf688cd90. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/UKS422200003.
      date published: 2026-07-03T01:01:38Z
    audio: Lately Leaving
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 110.423
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.473
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Midnight Snacks, Vol. 1
album: Steps
album: Sister You Said!
album: Sister You Said
album: Computer Love
album: Save It for the Rave
album: Midnight Snacks, Vol. 2
album: NY ILY
album: Bromance Is Dead / Sister You Said

Energy
type: PropertyValue
value: 0.163

Speechiness
type: PropertyValue
value: 0.033

Acousticness
type: PropertyValue
value: 0.865

Instrumentalness
type: PropertyValue
value: 0.002

Liveness
type: PropertyValue
value: 0.119

Valence (Positivity)
type: PropertyValue
value: 0.144

Loudness (dB)
type: PropertyValue
value: -14.073

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

Leak Your Own Blues
type: MusicAlbum
date published: 2022-05-12

Midnight Snacks, Vol. 1
type: MusicAlbum
date published: 2022-09-27

Steps
type: MusicAlbum
date published: 2023-09-14
track: Steps
  type: MusicRecording
  duration: PT1M55S
  duration ms: 115056
  explicit: false
  by artist: Sarah Meth
  in album: Steps
    type: MusicAlbum
    date published: 2023-09-14
  isrc code: UKS422300106
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa6cffc72922c9b652cccd3380f5693c5c754fae1c5c2cfabf07d2fbffcaa251e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958196
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958196
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKS422300106
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T22:22:28Z
  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 0xa6cffc72922c9b652cccd3380f5693c5c754fae1c5c2cfabf07d2fbffcaa251e. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T22:22:28Z), 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/UKS422300106.
    date published: 2026-07-15T22:22:28Z
  audio: Steps
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 81.567
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.56
    additional property: Energy
      type: PropertyValue
      value: 0.086
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.917
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.022
    additional property: Liveness
      type: PropertyValue
      value: 0.119
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.076
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.329
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Steps
type: MusicAlbum
date published: 2023-09-14
track: Steps
  type: MusicRecording
  duration: PT1M55S
  duration ms: 115056
  explicit: false
  by artist: Sarah Meth
  in album: Steps
    type: MusicAlbum
    date published: 2023-09-14
  isrc code: UKS422300106
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T09:55:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa6cffc72922c9b652cccd3380f5693c5c754fae1c5c2cfabf07d2fbffcaa251e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957852
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957852
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKS422300106
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T11:25:45Z
  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 0xa6cffc72922c9b652cccd3380f5693c5c754fae1c5c2cfabf07d2fbffcaa251e. Chain 2 (Bitcoin): anchored in block 957852 (2026-07-13T11:25:45Z), 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/UKS422300106.
    date published: 2026-07-13T11:25:45Z
  audio: Steps
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 81.567
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.56
    additional property: Energy
      type: PropertyValue
      value: 0.086
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.917
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.022
    additional property: Liveness
      type: PropertyValue
      value: 0.119
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.076
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.329
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Sister You Said!
type: MusicAlbum
date published: 2023-10-19

Sister You Said
type: MusicAlbum
date published: 2023-10-19

Steps
type: MusicAlbum
date published: 2023-11-14

Steps
type: MusicAlbum
date published: 2023-11-14

Computer Love
type: MusicAlbum
date published: 2024-02-14

Save It for the Rave
type: MusicAlbum
date published: 2024-04-08
track: Save It For The Rave
  type: MusicRecording
  duration: PT1M25S
  duration ms: 85531
  explicit: false
  by artist: Sarah Meth
  in album: Save It for the Rave
    type: MusicAlbum
    date published: 2024-04-08
  isrc code: UKS422400002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T21:35:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf22daa121c2800b68a790956fa16ddc3d0ff52352dda879eadcd6754ed33a7d1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UKS422400002
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  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 0xf22daa121c2800b68a790956fa16ddc3d0ff52352dda879eadcd6754ed33a7d1. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/UKS422400002.
    date published: 2026-07-04T11:19:20Z
  audio: Save It For The Rave
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 97.617
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.333
    additional property: Energy
      type: PropertyValue
      value: 0.059
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.958
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.081
    additional property: Loudness (dB)
      type: PropertyValue
      value: -21.085
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Midnight Snacks, Vol. 2
type: MusicAlbum
date published: 2024-06-21

NY ILY
type: MusicAlbum
date published: 2024-12-05
track: Winnies
  type: MusicRecording
  duration: PT2M10S
  duration ms: 130774
  explicit: true
  by artist: Sarah Meth
  in album: NY ILY
    type: MusicAlbum
    date published: 2024-12-05
  isrc code: QZZ7L2425241
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T22:04:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf0e50461af27d1ac0b813e997846bebca44df64bd7cff7637b97e3b4e2356b7b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958793
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958793
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7L2425241
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T22:59:45Z
  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 0xf0e50461af27d1ac0b813e997846bebca44df64bd7cff7637b97e3b4e2356b7b. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-19T22:59:45Z), 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/QZZ7L2425241.
    date published: 2026-07-19T22:59:45Z
  audio: Winnies
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 131.697
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.402
    additional property: Energy
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