Velvet
type: MusicGroup
genre: dream pop
genre: shoegaze
genre: slowcore
description: thumb|Weave details visible on a purple-colored velvet fabric Velvet is a type of woven fabric with a dense, even pile that gives it a distinctive soft feel. Historically, velvet was typically made f
popularity: 26
followers: 5244
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6d516331aae2b0171d523c16015b5747941d8495906bef8ca963451f458c928
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/9c1ab8ac-0766-48bb-ae1a-1ae8181a68fa.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9c1ab8ac-0766-48bb-ae1a-1ae8181a68fa.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9c1ab8ac-0766-48bb-ae1a-1ae8181a68fa
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6d516331aae2b0171d523c16015b5747941d8495906bef8ca963451f458c928. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9c1ab8ac-0766-48bb-ae1a-1ae8181a68fa.json and https://artists.proofprofile.net/proofs/artist/9c1ab8ac-0766-48bb-ae1a-1ae8181a68fa.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
album: Waiting for You
  type: MusicAlbum
  date published: 2022-04-30
  track: Waiting for You
    type: MusicRecording
    duration: PT2M44S
    duration ms: 164624
    explicit: false
    by artist: Velvet
    in album: Waiting for You
      type: MusicAlbum
      date published: 2022-04-30
    genre: dream pop
    genre: shoegaze
    genre: slowcore
    isrc code: SEYOK2213140
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T11:54:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe08162c6fb0ed8593a88a1f1bfb6253f54ae34f651d84360784d8f359b1db03f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956545
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956545
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEYOK2213140
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe08162c6fb0ed8593a88a1f1bfb6253f54ae34f651d84360784d8f359b1db03f. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEYOK2213140 — a six-check JSON result.
      date published: 2026-07-03T19:59:51Z
    audio: Waiting for You
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 170.427
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.106
      additional property: Energy
        type: PropertyValue
        value: 0.887
      additional property: Speechiness
        type: PropertyValue
        value: 0.054
      additional property: Acousticness
        type: PropertyValue
        value: 0.003
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.826
      additional property: Liveness
        type: PropertyValue
        value: 0.265
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.087
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.114
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Waiting for You
  type: MusicAlbum
  date published: 2022-04-30
album: Where I Saw You Last
  type: MusicAlbum
  date published: 2022-05-28
album: Where I Saw You Last
  type: MusicAlbum
  date published: 2022-05-28
album: Memories
  type: MusicAlbum
  date published: 2022-11-12
album: No Spring
  type: MusicAlbum
  date published: 2023-07-07
album: Memories II
  type: MusicAlbum
  date published: 2023-11-11
album: Memories II
  type: MusicAlbum
  date published: 2023-11-11
album: Romance
  type: MusicAlbum
  date published: 2024-02-23
  track: Focus
    type: MusicRecording
    duration: PT5M29S
    duration ms: 329045
    explicit: false
    by artist: Velvet
    in album: Romance
      type: MusicAlbum
      date published: 2024-02-23
    genre: dream pop
    genre: shoegaze
    genre: slowcore
    isrc code: QZDA42417083
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T17:13:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xedd8e4c55587b09928915c336cfee69c91762f5c71d677fc2aa2c5d4ecd639fd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958373
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958373
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417083
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T06:09:33Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedd8e4c55587b09928915c336cfee69c91762f5c71d677fc2aa2c5d4ecd639fd. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417083 — a six-check JSON result.
      date published: 2026-07-17T06:09:33Z
    audio: Focus
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 77.674
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      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
  track: Momentary
  track: Staring
  track: Slowdance
  track: Spiral
  track: Reprise
  track: Romance
album: Romance: Special Features
album: Seventh Cloud & Velvet
album: Staring (alt)
album: Focus
album: Recollection
album: Winter
album: Spring

Musical Key
type: PropertyValue
value: 3

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.207

Energy
type: PropertyValue
value: 0.248

Speechiness
type: PropertyValue
value: 0.047

Acousticness
type: PropertyValue
value: 0

Instrumentalness
type: PropertyValue
value: 0.685

Liveness
type: PropertyValue
value: 0.037

Valence (Positivity)
type: PropertyValue
value: 0.141

Loudness (dB)
type: PropertyValue
value: -9.227

Key Name
type: PropertyValue
value: Eb

Mode Name
type: PropertyValue
value: Major

Momentary
type: MusicRecording
duration: PT4M7S
duration ms: 247000
explicit: false
by artist: Velvet
in album: Romance
  type: MusicAlbum
  date published: 2024-02-23
genre: dream pop
genre: shoegaze
genre: slowcore
isrc code: QZDA42417085
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T15:35:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc624e0a1a607787ca27dcc51cf88ad28946346f0ea7203cfd7e27679c6fba90c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956545
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956545
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417085
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T19:59:51Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc624e0a1a607787ca27dcc51cf88ad28946346f0ea7203cfd7e27679c6fba90c. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417085 — a six-check JSON result.
  date published: 2026-07-03T19:59:51Z
audio: Momentary
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.981
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.379
  additional property: Energy
    type: PropertyValue
    value: 0.832
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.932
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.415
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.068
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Staring
type: MusicRecording
duration: PT4M34S
duration ms: 274431
explicit: false
by artist: Velvet
in album: Romance
  type: MusicAlbum
  date published: 2024-02-23
genre: dream pop
genre: shoegaze
genre: slowcore
isrc code: QZDA42417086
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T03:21:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb32aa640525d99a7afef2717cc1dabe043334812a7fb9fdcd6a64858d1835c45
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958484
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958484
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417086
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T03:34:53Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb32aa640525d99a7afef2717cc1dabe043334812a7fb9fdcd6a64858d1835c45. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417086 — a six-check JSON result.
  date published: 2026-07-18T03:34:53Z
audio: Staring
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.99
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.366
  additional property: Energy
    type: PropertyValue
    value: 0.722
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.944
  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.53
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Slowdance
type: MusicRecording
duration: PT5M22S
duration ms: 322218
explicit: false
by artist: Velvet
in album: Romance
  type: MusicAlbum
  date published: 2024-02-23
genre: dream pop
genre: shoegaze
genre: slowcore
isrc code: QZDA42417087
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T23:58:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x05e30cdc3fb1d409caa8344275013f4dc77a98e084a993959313f66a71e61033
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417087
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05e30cdc3fb1d409caa8344275013f4dc77a98e084a993959313f66a71e61033. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417087 — a six-check JSON result.
  date published: 2026-07-06T01:25:57Z
audio: Slowdance
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.931
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.304
  additional property: Energy
    type: PropertyValue
    value: 0.514
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.817
  additional property: Liveness
    type: PropertyValue
    value: 0.138
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.141
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.67
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Spiral
type: MusicRecording
duration: PT3M33S
duration ms: 213000
explicit: false
by artist: Velvet
in album: Romance
  type: MusicAlbum
  date published: 2024-02-23
genre: dream pop
genre: shoegaze
genre: slowcore
isrc code: QZDA42417088
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T00:30:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x592bed36a4fb7f844115227de125d1339f6c42415a3d0c1d160b1c75b114abef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958224
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958224
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417088
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T02:28:43Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x592bed36a4fb7f844115227de125d1339f6c42415a3d0c1d160b1c75b114abef. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417088 — a six-check JSON result.
  date published: 2026-07-16T02:28:43Z
audio: Spiral
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.057
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.333
  additional property: Energy
    type: PropertyValue
    value: 0.599
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.973
  additional property: Liveness
    type: PropertyValue
    value: 0.196
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.271
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.473
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Reprise
type: MusicRecording
duration: PT2M29S
duration ms: 149624
explicit: false
by artist: Velvet
in album: Romance
  type: MusicAlbum
  date published: 2024-02-23
genre: dream pop
genre: shoegaze
genre: slowcore
isrc code: QZDA42417089
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T19:25:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x05d135ce34a2cb9901684b7c9aaa2dc30d17595cea2e413e35fa346b297cf9bc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956545
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956545
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417089
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T19:59:51Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05d135ce34a2cb9901684b7c9aaa2dc30d17595cea2e413e35fa346b297cf9bc. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417089 — a six-check JSON result.
  date published: 2026-07-03T19:59:51Z
audio: Reprise
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.465
  additional property: Energy
    type: PropertyValue
    value: 0.531
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.958
  additional property: Liveness
    type: PropertyValue
    value: 0.202
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.204
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.572
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Romance
type: MusicRecording
duration: PT7M52S
duration ms: 472000
explicit: false
by artist: Velvet
in album: Romance
  type: MusicAlbum
  date published: 2024-02-23
genre: dream pop
genre: shoegaze
genre: slowcore
isrc code: QZDA42417090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T23:43:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe245e1863289b8449f8aefba6aaea4b9c104cdb9192113564951cd98bb84c9fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959080
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959080
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T00:07:05Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe245e1863289b8449f8aefba6aaea4b9c104cdb9192113564951cd98bb84c9fe. Chain 2 (Bitcoin): anchored in block 959080 (2026-07-22T00:07:05Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417090 — a six-check JSON result.
  date published: 2026-07-22T00:07:05Z
audio: Romance
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.861
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.152
  additional property: Energy
    type: PropertyValue
    value: 0.417
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.007
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.966
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.985
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Romance: Special Features
type: MusicAlbum
date published: 2024-05-31
track: Purity
  type: MusicRecording
  duration: PT5M7S
  duration ms: 307745
  explicit: false
  by artist: Velvet
  in album: Romance: Special Features
    type: MusicAlbum
    date published: 2024-05-31
  genre: dream pop
  genre: shoegaze
  genre: slowcore
  isrc code: QZK6K2449143
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T17:45:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x032f3169a017ab9375ebdbbdc0b42af0dd0179fec03003f1981365bbb7691296
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959043
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959043
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2449143
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T18:40:26Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x032f3169a017ab9375ebdbbdc0b42af0dd0179fec03003f1981365bbb7691296. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2449143 — a six-check JSON result.
    date published: 2026-07-21T18:40:26Z
  audio: Purity
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 136.896
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.215
    additional property: Energy
      type: PropertyValue
      value: 0.426
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.004
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.857
    additional property: Liveness
      type: PropertyValue
      value: 0.13
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.343
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.418
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Reprise - Demo
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156000
  explicit: false
  by artist: Velvet
  in album: Romance: Special Features
    type: MusicAlbum
    date published: 2024-05-31
  genre: dream pop
  genre: shoegaze
  genre: slowcore
  isrc code: QZK6K2449144
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T19:19:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd042ef37c842812621658b302a5c87f9b71fe3179d21e85d891ddbdcc78c9c9d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2449144
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd042ef37c842812621658b302a5c87f9b71fe3179d21e85d891ddbdcc78c9c9d. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2449144 — a six-check JSON result.
    date published: 2026-07-05T19:27:56Z
  audio: Reprise - Demo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.034
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.424
    additional property: Energy
      type: PropertyValue
      value: 0.617
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.555
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.849
    additional property: Liveness
      type: PropertyValue
      value: 0.113
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.323
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.894
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Romance: Special Features
type: MusicAlbum
date published: 2024-05-31

Seventh Cloud & Velvet
type: MusicAlbum
date published: 2024-10-19
track: Celine
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264500
  explicit: false
  by artist: Velvet
  in album: Seventh Cloud & Velvet
    type: MusicAlbum
    date published: 2024-10-19
  genre: dream pop
  genre: shoegaze
  genre: slowcore
  isrc code: USL4R2479903
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T11:12:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9236e03c11ffdcf38b7b0720e0ad36646bf34e86074c4b5d5e3a44d56b5e27d2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956545
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2479903
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T19:59:51Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9236e03c11ffdcf38b7b0720e0ad36646bf34e86074c4b5d5e3a44d56b5e27d2. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2479903 — a six-check JSON result.
    date published: 2026-07-03T19:59:51Z
  audio: Celine
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.899
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.386
    additional property: Energy
      type: PropertyValue
      value: 0.545
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.011
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.916
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.077
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.346
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

Staring (alt)
type: MusicAlbum
date published: 2024-12-01

Focus
type: MusicAlbum
date published: 2024-12-23
track: Focus - Single Edit
  type: MusicRecording
  duration: PT4M41S
  duration ms: 281000
  explicit: false
  by artist: Velvet
  in album: Focus
    type: MusicAlbum
    date published: 2024-12-23
  genre: dream pop
  genre: shoegaze
  genre: slowcore
  isrc code: QZDA42417083
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xedd8e4c55587b09928915c336cfee69c91762f5c71d677fc2aa2c5d4ecd639fd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958746
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958746
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417083
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T15:36:35Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedd8e4c55587b09928915c336cfee69c91762f5c71d677fc2aa2c5d4ecd639fd. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42417083 — a six-check JSON result.
    date published: 2026-07-19T15:36:35Z
  audio: Focus - Single Edit
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 77.632
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.262
    additional property: Energy
      type: PropertyValue
      value: 0.272
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.626
    additional property: Liveness
      type: PropertyValue
      value: 0.057
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.227
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.559
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Recollection
type: MusicAlbum
date published: 2024-12-30
track: Reprise II
  type: MusicRecording
  duration: PT4M43S
  duration ms: 283428
  explicit: false
  by artist: Velvet
  in album: Recollection
    type: MusicAlbum
    date published: 2024-12-30
  genre: dream pop
  genre: shoegaze
  genre: slowcore
  isrc code: QZZ7N2405668
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T04:06:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2bf273152bac6e5109326535f017ed8e023e347a8213e90c09c04df0831fea4b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7N2405668
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bf273152bac6e5109326535f017ed8e023e347a8213e90c09c04df0831fea4b. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7N2405668 — a six-check JSON result.
    date published: 2026-07-04T10:04:33Z
  audio: Reprise II
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 104.807
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.418
    additional property: Energy
      type: PropertyValue
      value: 0.263
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.335
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.872
    additional property: Liveness
      type: PropertyValue
      value: 0.118
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.138
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.121
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Closure
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160000
  explicit: false
  by artist: Velvet
  in album: Recollection
    type: MusicAlbum
    date published: 2024-12-30
  genre: dream pop
  genre: shoegaze
  genre: slowcore
  isrc code: SEYOK2215823
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T23:43:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbe8af9f3f2c1cc27794572947e595a6f11135779a85f1362f27dc7d15d38c081
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEYOK2215823
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:25:57Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe8af9f3f2c1cc27794572947e595a6f11135779a85f1362f27dc7d15d38c081. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEYOK2215823 — a six-check JSON result.
    date published: 2026-07-06T01:25:57Z
  audio: Closure
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 149.079
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.252
    additional property: Energy
      type: PropertyValue
      value: 0.95
    additional property: Speechiness
      type: PropertyValue
      value: 0.066
    additional property: Acousticness
      type: PropertyValue
      value: 0.039
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.697
    additional property: Liveness
      type: PropertyValue
      value: 0.148
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.04
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.38
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Sunflower
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180257
  explicit: false
  by artist: Velvet
  in album: Recollection
    type: MusicAlbum
    date published: 2024-12-30
  genre: dream pop
  genre: shoegaze
  genre: slowcore
  isrc code: SEYOK2215824
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T14:33:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x57d709ed7cd459c855aaa5c1487a5b4832952c547a897362c28a7d2a54fad32f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Sunflower
track: Vain
track: Waiting for You
track: Rosalyn
track: Summer
track: No Spring

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956545

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956545

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEYOK2215824

OTSTimestamp
type: PropertyValue
value: 2026-07-03T19:59:51Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57d709ed7cd459c855aaa5c1487a5b4832952c547a897362c28a7d2a54fad32f. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEYOK2215824 — a six-check JSON result.
date published: 2026-07-03T19:59:51Z

Sunflower
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 146.778
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.275
additional property: Energy
  type: PropertyValue
  value: 0.656
additional property: Speechiness
  type: PropertyValue
  value: 0.046
additional property: Acousticness
  type: PropertyValue
  value: 0.079
additional property: Instrumentalness
  type: PropertyValue
  value: 0.189
additional property: Liveness
  type: PropertyValue
  value: 0.273
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.111
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.467
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Vain
type: MusicRecording
duration: PT3M47S
duration ms: 227958
explicit: false
by artist: Velvet
in album: Recollection
  type: MusicAlbum
  date published: 2024-12-30
genre: dream pop
genre: shoegaze
genre: slowcore
isrc code: SEYOK2215825
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T05:23:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc0f670535dd5fb088c9b7a06f7435c69703b5ffdc904b5cf3c19aed1886e8527
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/SEYOK2215825
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0f670535dd5fb088c9b7a06f7435c69703b5ffdc904b5cf3c19aed1886e8527. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEYOK2215825 — a six-check JSON result.
  date published: 2026-07-05T10:01:46Z
audio: Vain
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.976
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.328
  additional property: Energy
    type: PropertyValue
    value: 0.944
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.004
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.864
  additional property: Liveness
    type: PropertyValue
    value: 0.357
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.156
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.814
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Waiting for You
type: MusicRecording
duration: PT2M44S
duration ms: 164624
explicit: false
by artist: Velvet
in album: Recollection
  type: MusicAlbum
  date published: 2024-12-30
genre: dream pop
genre: shoegaze
genre: slowcore
isrc code: SEYOK2215826
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T18:56:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f6c37b2e08a28592fedfbcba6c45d10875ece4e9c9f4db38aa3bdf1c4d1b3c9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956545
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956545
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEYOK2215826
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T19:59:51Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f6c37b2e08a28592fedfbcba6c45d10875ece4e9c9f4db38aa3bdf1c4d1b3c9. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEYOK2215826 — a six-check JSON result.
  date published: 2026-07-03T19:59:51Z
audio: Waiting for You
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.427
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.106
  additional property: Energy
    type: PropertyValue
    value: 0.887
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.003
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.826
  additional property: Liveness
    type: PropertyValue
    value: 0.265
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.087
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.114
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rosalyn
type: MusicRecording
duration: PT3M14S
duration ms: 194791
explicit: false
by artist: Velvet
in album: Recollection
  type: MusicAlbum
  date published: 2024-12-30
genre: dream pop
genre: shoegaze
genre: slowcore
isrc code: QZRP52256794
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T22:22:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5067a3334d73a83d689071db24a6626fed495bc23900ae53ce2811e6f72878d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958208
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958208
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP52256794
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T22:40:25Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5067a3334d73a83d689071db24a6626fed495bc23900ae53ce2811e6f72878d4. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP52256794 — a six-check JSON result.
  date published: 2026-07-15T22:40:25Z
audio: Rosalyn
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.842
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.359
  additional property: Energy
    type: PropertyValue
    value: 0.602
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.611
  additional property: Liveness
    type: PropertyValue
    value: 0.307
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.281
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.689
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Summer
type: MusicRecording
duration: PT5M12S
duration ms: 312661
explicit: false
by artist: Velvet
in album: Recollection
  type: MusicAlbum
  date published: 2024-12-30
genre: dream pop
genre: shoegaze
genre: slowcore
isrc code: QZRP52256795
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T22:45:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbaab258ae0943adea46f092577816f6c97e30661a2e6fd0cbbcb55ec0d1ed5ec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP52256795
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaab258ae0943adea46f092577816f6c97e30661a2e6fd0cbbcb55ec0d1ed5ec. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP52256795 — a six-check JSON result.
  date published: 2026-07-04T10:04:33Z
audio: Summer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.026
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.346
  additional property: Energy
    type: PropertyValue
    value: 0.691
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.923
  additional property: Liveness
    type: PropertyValue
    value: 0.144
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.393
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.294
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

No Spring
type: MusicRecording
duration: PT5M13S
duration ms: 313874
explicit: false
by artist: Velvet
in album: Recollection
  type: MusicAlbum
  date published: 2024-12-30
genre: dream pop
genre: shoegaze
genre: slowcore
isrc code: QZMEN2397258
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T15:39:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a9f614137d36704ce0c9f263b57d1f8c2ff6f227df0f2c432c9ac495a9b8eaf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958300
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958300
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEN2397258
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T16:14:30Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a9f614137d36704ce0c9f263b57d1f8c2ff6f227df0f2c432c9ac495a9b8eaf. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEN2397258 — a six-check JSON result.
  date published: 2026-07-16T16:14:30Z
audio: No Spring
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 76.996
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.3
  additional property: Energy
    type: PropertyValue
    value: 0.494
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.87
  additional property: Liveness
    type: PropertyValue
    value: 0.225
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.067
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.164
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Winter
type: MusicAlbum
date published: 2025-03-26

Spring
type: MusicAlbum
date published: 2025-04-23