Quarterhead
type: MusicGroup
genre: tech-house
popularity: 59
followers: 21677
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/aaa9782a-1dba-42f5-a4cd-8d4c70e98117.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aaa9782a-1dba-42f5-a4cd-8d4c70e98117.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/aaa9782a-1dba-42f5-a4cd-8d4c70e98117
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
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 → block must exist at that height 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 0x50e55b12779b2c4f5e9ef75937eeacab21532faa522b01e40025da25d2ec556f. 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/aaa9782a-1dba-42f5-a4cd-8d4c70e98117.json and https://artists.proofprofile.net/proofs/artist/aaa9782a-1dba-42f5-a4cd-8d4c70e98117.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
album: Lucky (Wave Wave Remix)
  type: MusicAlbum
  date published: 2022-02-25
  track: Lucky - Wave Wave Remix
    type: MusicRecording
    duration: PT2M41S
    duration ms: 161280
    explicit: false
    by artist: Quarterhead
    by artist: Cheat Codes
    by artist: KIDDO
    by artist: Wave Wave
    in album: Lucky (Wave Wave Remix)
      type: MusicAlbum
      date published: 2022-02-25
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
      type: PropertyValue
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    additional property: OTSBitcoinBlock
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      type: PropertyValue
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    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/7sORU8UyF1Y0E9GwtgKtEl.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7sORU8UyF1Y0E9GwtgKtEl
    additional property: OTSTimestamp
      type: PropertyValue
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    additional property: OTSCanonicalRecord
      type: PropertyValue
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xee2bdaf4fec1ca9babcf4c714b9402484a409ff3d188f2604219011c0fa3bf19. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7sORU8UyF1Y0E9GwtgKtEl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7sORU8UyF1Y0E9GwtgKtEl.
      date published: 2026-07-02T03:30:09Z
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album: Lucky
  type: MusicAlbum
  date published: 2021-11-12
  track: Lucky
    type: MusicRecording
    duration: PT2M38S
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    explicit: false
    by artist: Quarterhead
    by artist: Cheat Codes
    by artist: KIDDO
    in album: Lucky
      type: MusicAlbum
      date published: 2021-11-12
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    additional property: CopyrightStatus
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      type: PropertyValue
      value: https://blockstream.info/api/block/953520
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/0p2l7iShwadwS2qe0M8lV1.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0p2l7iShwadwS2qe0M8lV1
    additional property: OTSTimestamp
      type: PropertyValue
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    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x63fc1bf305005ec9830ac2a34792fab6cf6fb35acc8a773df0608fa4ef25e5e4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0p2l7iShwadwS2qe0M8lV1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0p2l7iShwadwS2qe0M8lV1.
      date published: 2026-06-13T13:32:09Z
album: Major Lazer (Bhavv VIP Mix)
  type: MusicAlbum
  date published: 2023-05-05
  track: Major Lazer (Bhavv VIP Mix)
    type: MusicRecording
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    by artist: Quarterhead
    by artist: Bhavv
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      type: MusicAlbum
      date published: 2023-05-05
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    additional property: CopyrightStatus
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      value: https://blockstream.info/api/block/953528
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/7fE4I27jGvxcWnUls9ABRT.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7fE4I27jGvxcWnUls9ABRT
    additional property: OTSTimestamp
      type: PropertyValue
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    additional property: OTSCanonicalRecord
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3b15f8259ab1d86635ad4494077e6c9653f46c12cc455a1fb02e09ad87e80d53. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7fE4I27jGvxcWnUls9ABRT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7fE4I27jGvxcWnUls9ABRT.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0x3b15f8259ab1d86635ad4494077e6c9653f46c12cc455a1fb02e09ad87e80d53","isrc":"NLZ542300639","name":"Major Lazer (Bhavv VIP Mix)","registered_at":"2026-06-11T01:44:45Z","spotify_id":"7fE4I27jGvxcWnUls9ABRT","type":"track"}
album: Major Lazer
  type: MusicAlbum
  date published: 2023-03-10
  track: Major Lazer
    type: MusicRecording
    duration: PT2M46S
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    by artist: KSHMR
    by artist: Quarterhead
    in album: Major Lazer
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    additional property: CopyrightID
    additional property: CopyrightStatus
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    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
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    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
album: Is It Love (Öwnboss Remix)
album: Skin (Quarterhead Remix)
album: System Overload
album: Fever
album: All Good Things (Come To An End) [Nelly Furtado x Quarterhead]
album: WATER. (Quarterhead Remix)
album: Right Now
album: You Will See (Matt Sassari Remix)
album: Free
album: Throw Me Out The Club
album: Free Like The Ocean - Quarterhead Deep Sea Club Edit
album: Get Away (Sped Up VIP Mix)
album: Get Away
album: Remedy
album: Everyday
album: Farewell (VIP Mix)
album: You Will See
album: Farewell
album: Lovesick (Quarterhead Remix)
album: You Spin Me Right Round
album: 1981
album: The Last Shanty (Quarterhead Remix)
album: Is It Love
album: Juice
album: Eyes On You
album: Love So Sweet
album: Touch My Body
album: One More Time (feat. Alida) [Quarterhead Remix]
album: Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Robin Schulz Remix]
album: Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Acoustic]
album: Cookie Dough (Extended Mix)
album: Cookie Dough
album: Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Alle Farben Remix]
album: Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Alle Farben Extended Remix]
album: Head Shoulders Knees & Toes (feat. Norma Jean Martine)
album: Candy Shop
track: Fever
track: I Wanna Thank Me (feat. Niecy Nash) - Quarterhead Remix
track: Lucky
track: Fever - Extended Mix
track: Tequila - Quarterhead Remix
track: Nothing to Say - Quarterhead Remix
track: Lucky - Wave Wave Remix
track: Major Lazer (Bhavv VIP Mix)
track: Major Lazer
track: Is It Love - Öwnboss Remix
track: Is It Love
track: Skin - Quarterhead Remix
track: System Overload
track: Head Shoulders Knees & Toes (feat. Norma Jean Martine)
track: Nobody Else
track: All Good Things (Come To An End) - Nelly Furtado x Quarterhead
track: All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Extended Remix
track: All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Remix Instrumental

Quarterhead
type: MusicGroup

Major Lazer
type: MusicAlbum
date published: 2023-03-10

CopyrightID
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CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-08T00:27:22+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x1a616b2b8873cd1409066c57120f255701c72ac04ce6000b64a5ee3d0f2df9b8

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953520

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953520

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/7omRjfVEwx72dRDNWdFs43.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7omRjfVEwx72dRDNWdFs43

OTSTimestamp
type: PropertyValue
value: 2026-06-13T13:32:09Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x1a616b2b8873cd1409066c57120f255701c72ac04ce6000b64a5ee3d0f2df9b8","isrc":"NLZ542300271","name":"Major Lazer","registered_at":"2026-06-08T00:27:22Z","spotify_id":"7omRjfVEwx72dRDNWdFs43","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a616b2b8873cd1409066c57120f255701c72ac04ce6000b64a5ee3d0f2df9b8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7omRjfVEwx72dRDNWdFs43.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7omRjfVEwx72dRDNWdFs43.
date published: 2026-06-13T13:32:09Z
text: {"copyright_id":"0x1a616b2b8873cd1409066c57120f255701c72ac04ce6000b64a5ee3d0f2df9b8","isrc":"NLZ542300271","name":"Major Lazer","registered_at":"2026-06-08T00:27:22Z","spotify_id":"7omRjfVEwx72dRDNWdFs43","type":"track"}

Is It Love (Öwnboss Remix)
type: MusicAlbum
date published: 2022-05-27
track: Is It Love - Öwnboss Remix
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  duration: PT3M31S
  duration ms: 211935
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  by artist: Quarterhead
  by artist: Camylio
  by artist: Öwnboss
  in album: Is It Love (Öwnboss Remix)
    type: MusicAlbum
    date published: 2022-05-27
  isrc code: DEUM72202842
  additional property: CopyrightID
  additional property: CopyrightStatus
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    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T07:08:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x23fe8e33f5e7cc45c588f30bab5585fc672dd0cc132586f56e4f0707312d58f4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3GGb1PYDGNlRoD5aRyyE6l.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GGb1PYDGNlRoD5aRyyE6l
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x23fe8e33f5e7cc45c588f30bab5585fc672dd0cc132586f56e4f0707312d58f4","isrc":"DEUM72202842","name":"Is It Love - Öwnboss Remix","registered_at":"2026-06-22T07:08:29Z","spotify_id":"3GGb1PYDGNlRoD5aRyyE6l","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x23fe8e33f5e7cc45c588f30bab5585fc672dd0cc132586f56e4f0707312d58f4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3GGb1PYDGNlRoD5aRyyE6l.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GGb1PYDGNlRoD5aRyyE6l.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x23fe8e33f5e7cc45c588f30bab5585fc672dd0cc132586f56e4f0707312d58f4","isrc":"DEUM72202842","name":"Is It Love - Öwnboss Remix","registered_at":"2026-06-22T07:08:29Z","spotify_id":"3GGb1PYDGNlRoD5aRyyE6l","type":"track"}
track: Is It Love
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208657
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  by artist: Quarterhead
  by artist: Camylio
  in album: Is It Love (Öwnboss Remix)
    type: MusicAlbum
    date published: 2022-05-27
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T05:14:35+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xfc9897cfdb0a15b9d03bff618846b1ab95dad076ea9047e97c5dae9145312613
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSRecordURL
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    value: https://artists.proofprofile.net/proofs/track/511PZ64E0ptS8Cl5QRESP1.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/511PZ64E0ptS8Cl5QRESP1
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xfc9897cfdb0a15b9d03bff618846b1ab95dad076ea9047e97c5dae9145312613. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/511PZ64E0ptS8Cl5QRESP1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/511PZ64E0ptS8Cl5QRESP1.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xfc9897cfdb0a15b9d03bff618846b1ab95dad076ea9047e97c5dae9145312613","isrc":"DEUM72201532","name":"Is It Love","registered_at":"2026-06-08T05:14:35Z","spotify_id":"511PZ64E0ptS8Cl5QRESP1","type":"track"}

Skin (Quarterhead Remix)
type: MusicAlbum
date published: 2021-02-26
track: Skin - Quarterhead Remix
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187000
  explicit: false
  by artist: Sabrina Carpenter
  by artist: Quarterhead
  in album: Skin (Quarterhead Remix)
    type: MusicAlbum
    date published: 2021-02-26
  isrc code: USUM72102387
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T07:51:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x020f70651c08d52cdbf2ef3a7a3a8f936fbba9e920b580d1d8aad8bda9e4fefe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3DNziCcqRd2v8uQWwec1GW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3DNziCcqRd2v8uQWwec1GW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x020f70651c08d52cdbf2ef3a7a3a8f936fbba9e920b580d1d8aad8bda9e4fefe","isrc":"USUM72102387","name":"Skin - Quarterhead Remix","registered_at":"2026-06-06T07:51:22Z","spotify_id":"3DNziCcqRd2v8uQWwec1GW","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x020f70651c08d52cdbf2ef3a7a3a8f936fbba9e920b580d1d8aad8bda9e4fefe. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3DNziCcqRd2v8uQWwec1GW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3DNziCcqRd2v8uQWwec1GW.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x020f70651c08d52cdbf2ef3a7a3a8f936fbba9e920b580d1d8aad8bda9e4fefe","isrc":"USUM72102387","name":"Skin - Quarterhead Remix","registered_at":"2026-06-06T07:51:22Z","spotify_id":"3DNziCcqRd2v8uQWwec1GW","type":"track"}

System Overload
type: MusicAlbum
date published: 2022-08-26
track: System Overload
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150243
  explicit: false
  by artist: Quarterhead
  by artist: Camden Cox
  in album: System Overload
    type: MusicAlbum
    date published: 2022-08-26
  isrc code: AUDCB1702121
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T02:34:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6b0d47cefa029e933c019b4c118b36b6fd60276764dde9ae132f1bd6fd8890db
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5IMetvxeKmnFeUiCvsFYL1.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5IMetvxeKmnFeUiCvsFYL1
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6b0d47cefa029e933c019b4c118b36b6fd60276764dde9ae132f1bd6fd8890db","isrc":"AUDCB1702121","name":"System Overload","registered_at":"2026-06-19T02:34:22Z","spotify_id":"5IMetvxeKmnFeUiCvsFYL1","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6b0d47cefa029e933c019b4c118b36b6fd60276764dde9ae132f1bd6fd8890db. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5IMetvxeKmnFeUiCvsFYL1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5IMetvxeKmnFeUiCvsFYL1.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x6b0d47cefa029e933c019b4c118b36b6fd60276764dde9ae132f1bd6fd8890db","isrc":"AUDCB1702121","name":"System Overload","registered_at":"2026-06-19T02:34:22Z","spotify_id":"5IMetvxeKmnFeUiCvsFYL1","type":"track"}

Fever
type: MusicAlbum
date published: 2022-04-29
track: Fever
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164747
  explicit: false
  by artist: HUGEL
  by artist: Quarterhead
  in album: Fever
    type: MusicAlbum
    date published: 2022-04-29
  isrc code: GBCPZ2220758
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T03:47:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf9e1db3a523d9d623461df30be5e2b63d049eb4a639820ddf300cf0fd0480c0f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/60LqGQ9H0edzxwy2xhH5Sr.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/60LqGQ9H0edzxwy2xhH5Sr
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf9e1db3a523d9d623461df30be5e2b63d049eb4a639820ddf300cf0fd0480c0f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/60LqGQ9H0edzxwy2xhH5Sr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/60LqGQ9H0edzxwy2xhH5Sr.
    date published: 2026-07-02T03:55:08Z
track: Fever - Extended Mix
  type: MusicRecording
  duration: PT5M27S
  duration ms: 327116
  explicit: false
  by artist: HUGEL
  by artist: Quarterhead
  in album: Fever
    type: MusicAlbum
    date published: 2022-04-29
  isrc code: GBCPZ2220759

All Good Things (Come To An End) [Nelly Furtado x Quarterhead]
type: MusicAlbum
date published: 2021-05-28
track: All Good Things (Come To An End) - Nelly Furtado x Quarterhead
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185348
  explicit: false
  by artist: Nelly Furtado
  by artist: Quarterhead
  in album: All Good Things (Come To An End) [Nelly Furtado x Quarterhead]
    type: MusicAlbum
    date published: 2021-05-28
  isrc code: USUM72106552
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T12:11:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6SGrxiwzBMXdH02vDhKJvr.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6SGrxiwzBMXdH02vDhKJvr
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28","isrc":"USUM72106552","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead","registered_at":"2026-06-04T12:11:48Z","spotify_id":"6SGrxiwzBMXdH02vDhKJvr","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6SGrxiwzBMXdH02vDhKJvr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6SGrxiwzBMXdH02vDhKJvr.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28","isrc":"USUM72106552","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead","registered_at":"2026-06-04T12:11:48Z","spotify_id":"6SGrxiwzBMXdH02vDhKJvr","type":"track"}
track: All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Extended Remix
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276922
  explicit: false
  by artist: Nelly Furtado
  by artist: Quarterhead
  in album: All Good Things (Come To An End) [Nelly Furtado x Quarterhead]
    type: MusicAlbum
    date published: 2021-05-28
  isrc code: USUM72107522
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T22:24:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x042f8dd9eb57cf45fec69344679a2de5158e6aa6d815a80663666b64cac50075
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/00xjfer1vFypUtlp8g7lt0.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00xjfer1vFypUtlp8g7lt0
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x042f8dd9eb57cf45fec69344679a2de5158e6aa6d815a80663666b64cac50075","isrc":"USUM72107522","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Extended Remix","registered_at":"2026-06-19T22:24:10Z","spotify_id":"00xjfer1vFypUtlp8g7lt0","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x042f8dd9eb57cf45fec69344679a2de5158e6aa6d815a80663666b64cac50075. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/00xjfer1vFypUtlp8g7lt0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00xjfer1vFypUtlp8g7lt0.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x042f8dd9eb57cf45fec69344679a2de5158e6aa6d815a80663666b64cac50075","isrc":"USUM72107522","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Extended Remix","registered_at":"2026-06-19T22:24:10Z","spotify_id":"00xjfer1vFypUtlp8g7lt0","type":"track"}
track: All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Remix Instrumental
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185348
  explicit: false
  by artist: Nelly Furtado
  by artist: Quarterhead
  in album: All Good Things (Come To An End) [Nelly Furtado x Quarterhead]
    type: MusicAlbum
    date published: 2021-05-28
  isrc code: USUM72107523
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-28T03:49:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x59a1d564b37157aa90925dae320d65eb12fbb40c7341bd5e934dfedee0f5ba49
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2cclmIYVuSDxU1EZ7WtIUw.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2cclmIYVuSDxU1EZ7WtIUw
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x59a1d564b37157aa90925dae320d65eb12fbb40c7341bd5e934dfedee0f5ba49","isrc":"USUM72107523","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Remix Instrumental","registered_at":"2026-06-28T03:49:50Z","spotify_id":"2cclmIYVuSDxU1EZ7WtIUw","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x59a1d564b37157aa90925dae320d65eb12fbb40c7341bd5e934dfedee0f5ba49. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2cclmIYVuSDxU1EZ7WtIUw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2cclmIYVuSDxU1EZ7WtIUw.
    date published: 2026-07-02T16:51:38Z
    text: {"copyright_id":"0x59a1d564b37157aa90925dae320d65eb12fbb40c7341bd5e934dfedee0f5ba49","isrc":"USUM72107523","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Remix Instrumental","registered_at":"2026-06-28T03:49:50Z","spotify_id":"2cclmIYVuSDxU1EZ7WtIUw","type":"track"}
track: All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Extended Remix Instrumental
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276922
  explicit: false
  by artist: Nelly Furtado
  by artist: Quarterhead
  in album: All Good Things (Come To An End) [Nelly Furtado x Quarterhead]
    type: MusicAlbum
    date published: 2021-05-28
  isrc code: USUM72107524

WATER. (Quarterhead Remix)
type: MusicAlbum
date published: 2022-05-20
track: WATER. - Quarterhead Remix
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151009
  explicit: false
  by artist: Snakehips
  by artist: Bryce Vine
  by artist: Quarterhead
  in album: WATER. (Quarterhead Remix)
    type: MusicAlbum
    date published: 2022-05-20
  isrc code: QZUCN2200021
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T08:38:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5dde2d76a75e0ef2bc143b66d38a14793cc791e4fae13af126d98189cc467a03
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4NRRsvAdZ1kr3wIXZUq1jZ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4NRRsvAdZ1kr3wIXZUq1jZ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5dde2d76a75e0ef2bc143b66d38a14793cc791e4fae13af126d98189cc467a03","isrc":"QZUCN2200021","name":"WATER. - Quarterhead Remix","registered_at":"2026-06-04T08:38:51Z","spotify_id":"4NRRsvAdZ1kr3wIXZUq1jZ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5dde2d76a75e0ef2bc143b66d38a14793cc791e4fae13af126d98189cc467a03. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4NRRsvAdZ1kr3wIXZUq1jZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4NRRsvAdZ1kr3wIXZUq1jZ.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x5dde2d76a75e0ef2bc143b66d38a14793cc791e4fae13af126d98189cc467a03","isrc":"QZUCN2200021","name":"WATER. - Quarterhead Remix","registered_at":"2026-06-04T08:38:51Z","spotify_id":"4NRRsvAdZ1kr3wIXZUq1jZ","type":"track"}

Right Now
type: MusicAlbum
date published: 2023-09-15
track: Right Now
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152662
  explicit: false
  by artist: Ian Asher
  by artist: Quarterhead
  in album: Right Now
    type: MusicAlbum
    date published: 2023-09-15
  isrc code: QZWH32300084
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T06:30:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x772ab08eeef4ef8f51059229b96773cbdbc96cbe4724a2a296350f67f9ab5a9b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6XJztU6tcpxFekSH98chJb.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6XJztU6tcpxFekSH98chJb
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x772ab08eeef4ef8f51059229b96773cbdbc96cbe4724a2a296350f67f9ab5a9b","isrc":"QZWH32300084","name":"Right Now","registered_at":"2026-06-07T06:30:32Z","spotify_id":"6XJztU6tcpxFekSH98chJb","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x772ab08eeef4ef8f51059229b96773cbdbc96cbe4724a2a296350f67f9ab5a9b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6XJztU6tcpxFekSH98chJb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6XJztU6tcpxFekSH98chJb.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x772ab08eeef4ef8f51059229b96773cbdbc96cbe4724a2a296350f67f9ab5a9b","isrc":"QZWH32300084","name":"Right Now","registered_at":"2026-06-07T06:30:32Z","spotify_id":"6XJztU6tcpxFekSH98chJb","type":"track"}
track: Feel The Same
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170968
  explicit: false
  by artist: Ian Asher
  by artist: RuthAnne
  in album: Right Now
    type: MusicAlbum
    date published: 2023-09-15
  isrc code: QZWH32300004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T06:33:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xacf157cdfa9591a9d68e04df8dd2bdf7f7d738cf65869ca4faaf40fab1376cb9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/18GnN8b5cowdyfyXLx8XlK.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/18GnN8b5cowdyfyXLx8XlK
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xacf157cdfa9591a9d68e04df8dd2bdf7f7d738cf65869ca4faaf40fab1376cb9","isrc":"QZWH32300004","name":"Feel The Same","registered_at":"2026-06-05T06:33:03Z","spotify_id":"18GnN8b5cowdyfyXLx8XlK","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xacf157cdfa9591a9d68e04df8dd2bdf7f7d738cf65869ca4faaf40fab1376cb9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/18GnN8b5cowdyfyXLx8XlK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/18GnN8b5cowdyfyXLx8XlK.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xacf157cdfa9591a9d68e04df8dd2bdf7f7d738cf65869ca4faaf40fab1376cb9","isrc":"QZWH32300004","name":"Feel The Same","registered_at":"2026-06-05T06:33:03Z","spotify_id":"18GnN8b5cowdyfyXLx8XlK","type":"track"}
track: God On The Weekend
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180231
  explicit: false
  by artist: Ian Asher
  in album: Right Now
    type: MusicAlbum
    date published: 2023-09-15
  isrc code: QZWH32200003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T11:13:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x88af1f541eb1d5d668272bab81994b1adb407c6798a59d51b39cc3394f0b5bfe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/439gmRO6yOAxK583c8UDqM.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/439gmRO6yOAxK583c8UDqM
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x88af1f541eb1d5d668272bab81994b1adb407c6798a59d51b39cc3394f0b5bfe","isrc":"QZWH32200003","name":"God On The Weekend","registered_at":"2026-06-04T11:13:39Z","spotify_id":"439gmRO6yOAxK583c8UDqM","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x88af1f541eb1d5d668272bab81994b1adb407c6798a59d51b39cc3394f0b5bfe. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/439gmRO6yOAxK583c8UDqM.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/439gmRO6yOAxK583c8UDqM.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x88af1f541eb1d5d668272bab81994b1adb407c6798a59d51b39cc3394f0b5bfe","isrc":"QZWH32200003","name":"God On The Weekend","registered_at":"2026-06-04T11:13:39Z","spotify_id":"439gmRO6yOAxK583c8UDqM","type":"track"}

You Will See (Matt Sassari Remix)
type: MusicAlbum
date published: 2024-06-28
track: You Will See - Matt Sassari Remix
  type: MusicRecording
  duration: PT2M29S
  duration ms: 149760
  explicit: false
  by artist: Quarterhead
  by artist: SESA
  by artist: Matt Sassari
  in album: You Will See (Matt Sassari Remix)
    type: MusicAlbum
    date published: 2024-06-28
  isrc code: DEUM72406953
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T16:03:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf52b69af26d72d5e36dc396cf4641b657221cb379ea1e705fb5b04adbabaeb1e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4boXVvUTDqNuwz1vX7ihNN.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4boXVvUTDqNuwz1vX7ihNN
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xf52b69af26d72d5e36dc396cf4641b657221cb379ea1e705fb5b04adbabaeb1e","isrc":"DEUM72406953","name":"You Will See - Matt Sassari Remix","registered_at":"2026-06-07T16:03:16Z","spotify_id":"4boXVvUTDqNuwz1vX7ihNN","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf52b69af26d72d5e36dc396cf4641b657221cb379ea1e705fb5b04adbabaeb1e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4boXVvUTDqNuwz1vX7ihNN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4boXVvUTDqNuwz1vX7ihNN.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xf52b69af26d72d5e36dc396cf4641b657221cb379ea1e705fb5b04adbabaeb1e","isrc":"DEUM72406953","name":"You Will See - Matt Sassari Remix","registered_at":"2026-06-07T16:03:16Z","spotify_id":"4boXVvUTDqNuwz1vX7ihNN","type":"track"}
track: You Will See
  type: MusicRecording
  duration: PT2M23S
  duration ms: 143374
  explicit: false
  by artist: Quarterhead
  by artist: SESA
  in album: You Will See (Matt Sassari Remix)
    type: MusicAlbum
    date published: 2024-06-28
  isrc code: GBKQU2328636
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-01T10:18:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6da8b12a6e687c92c3f9efe863bb7cadd7bb5b89da7f2134295b16f52d5dfe30
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5euIyuyMT69yPkgveZ43KE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5euIyuyMT69yPkgveZ43KE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6da8b12a6e687c92c3f9efe863bb7cadd7bb5b89da7f2134295b16f52d5dfe30","isrc":"GBKQU2328636","name":"You Will See","registered_at":"2026-06-01T10:18:55Z","spotify_id":"5euIyuyMT69yPkgveZ43KE","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6da8b12a6e687c92c3f9efe863bb7cadd7bb5b89da7f2134295b16f52d5dfe30. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5euIyuyMT69yPkgveZ43KE.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5euIyuyMT69yPkgveZ43KE.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x6da8b12a6e687c92c3f9efe863bb7cadd7bb5b89da7f2134295b16f52d5dfe30","isrc":"GBKQU2328636","name":"You Will See","registered_at":"2026-06-01T10:18:55Z","spotify_id":"5euIyuyMT69yPkgveZ43KE","type":"track"}

Free
type: MusicAlbum
date published: 2023-12-22
track: Free
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175491
  explicit: false
  by artist: Quarterhead
  in album: Free
    type: MusicAlbum
    date published: 2023-12-22
  isrc code: GBLV62314598
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T03:33:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x39fafa4ad308db1951a6f1bb7f1a3a567dd26b6531ab5a673f8aaddd9a581a19
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7e50aVJ3Zpgrk1cpM9Rg3P.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7e50aVJ3Zpgrk1cpM9Rg3P
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x39fafa4ad308db1951a6f1bb7f1a3a567dd26b6531ab5a673f8aaddd9a581a19. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7e50aVJ3Zpgrk1cpM9Rg3P.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7e50aVJ3Zpgrk1cpM9Rg3P.
    date published: 2026-06-13T17:25:41Z

Throw Me Out The Club
type: MusicAlbum
date published: 2023-11-17
track: Throw Me Out The Club
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154983
  explicit: false
  by artist: Quarterhead
  by artist: Norma Jean Martine
  in album: Throw Me Out The Club
    type: MusicAlbum
    date published: 2023-11-17
  isrc code: DEUM72311942
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T03:23:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe003f98da61c84854b40c474cf037128f3bcbe22470b047b393ff168c7635062
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/37TjwbfAtJZnqUgStg7rpp.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/37TjwbfAtJZnqUgStg7rpp
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe003f98da61c84854b40c474cf037128f3bcbe22470b047b393ff168c7635062","isrc":"DEUM72311942","name":"Throw Me Out The Club","registered_at":"2026-06-09T03:23:21Z","spotify_id":"37TjwbfAtJZnqUgStg7rpp","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe003f98da61c84854b40c474cf037128f3bcbe22470b047b393ff168c7635062. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/37TjwbfAtJZnqUgStg7rpp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/37TjwbfAtJZnqUgStg7rpp.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xe003f98da61c84854b40c474cf037128f3bcbe22470b047b393ff168c7635062","isrc":"DEUM72311942","name":"Throw Me Out The Club","registered_at":"2026-06-09T03:23:21Z","spotify_id":"37TjwbfAtJZnqUgStg7rpp","type":"track"}

Free Like The Ocean - Quarterhead Deep Sea Club Edit
type: MusicAlbum
date published: 2023-09-29
track: Free Like The Ocean - Quarterhead Deep Sea Club Edit
  type: MusicRecording
  duration: PT2M47S
  duration ms: 167693
  explicit: false
  by artist: Rea Garvey
  by artist: Quarterhead
  in album: Free Like The Ocean - Quarterhead Deep Sea Club Edit
    type: MusicAlbum
    date published: 2023-09-29
  isrc code: DEUM72310828
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T11:08:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0f3da02a2007650c21910ce87d1f5a522fdaef486afa7d7781221db1f86dbba8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7f0FnrQztHE63pFc7hKLcJ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7f0FnrQztHE63pFc7hKLcJ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0f3da02a2007650c21910ce87d1f5a522fdaef486afa7d7781221db1f86dbba8","isrc":"DEUM72310828","name":"Free Like The Ocean - Quarterhead Deep Sea Club Edit","registered_at":"2026-06-11T11:08:17Z","spotify_id":"7f0FnrQztHE63pFc7hKLcJ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0f3da02a2007650c21910ce87d1f5a522fdaef486afa7d7781221db1f86dbba8. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7f0FnrQztHE63pFc7hKLcJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7f0FnrQztHE63pFc7hKLcJ.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x0f3da02a2007650c21910ce87d1f5a522fdaef486afa7d7781221db1f86dbba8","isrc":"DEUM72310828","name":"Free Like The Ocean - Quarterhead Deep Sea Club Edit","registered_at":"2026-06-11T11:08:17Z","spotify_id":"7f0FnrQztHE63pFc7hKLcJ","type":"track"}
track: Free Like The Ocean - KXXMA WAVE VERSION
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144750
  explicit: false
  by artist: Rea Garvey
  by artist: KXXMA
  in album: Free Like The Ocean - Quarterhead Deep Sea Club Edit
    type: MusicAlbum
    date published: 2023-09-29
  isrc code: DEUM72309594
track: Free Like The Ocean
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171426
  explicit: false
  by artist: Rea Garvey
  in album: Free Like The Ocean - Quarterhead Deep Sea Club Edit
    type: MusicAlbum
    date published: 2023-09-29
  isrc code: DEUM72305321

Get Away (Sped Up VIP Mix)
type: MusicAlbum
date published: 2023-09-01
track: Get Away - Sped Up VIP Mix
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192133
  explicit: false
  by artist: Quarterhead
  by artist: Raphaella
  by artist: Tenchi
  in album: Get Away (Sped Up VIP Mix)
    type: MusicAlbum
    date published: 2023-09-01
  isrc code: DEUM72309850
track: Get Away
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152811
  explicit: false
  by artist: Quarterhead
  by artist: Raphaella
  by artist: Tenchi
  in album: Get Away (Sped Up VIP Mix)
    type: MusicAlbum
    date published: 2023-09-01
  isrc code: DEUM72308703
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T19:43:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x58d5951b190e06ae452dc3732f65623ffac8e9d975c319e4605895fdb69ef63c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6lyAxzO2TTQOIA7S3o4M5v.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6lyAxzO2TTQOIA7S3o4M5v
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x58d5951b190e06ae452dc3732f65623ffac8e9d975c319e4605895fdb69ef63c","isrc":"DEUM72308703","name":"Get Away","registered_at":"2026-06-22T19:43:05Z","spotify_id":"6lyAxzO2TTQOIA7S3o4M5v","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x58d5951b190e06ae452dc3732f65623ffac8e9d975c319e4605895fdb69ef63c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6lyAxzO2TTQOIA7S3o4M5v.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6lyAxzO2TTQOIA7S3o4M5v.
    date published: 2026-07-08T03:53:27Z
    text: {"copyright_id":"0x58d5951b190e06ae452dc3732f65623ffac8e9d975c319e4605895fdb69ef63c","isrc":"DEUM72308703","name":"Get Away","registered_at":"2026-06-22T19:43:05Z","spotify_id":"6lyAxzO2TTQOIA7S3o4M5v","type":"track"}

Get Away
type: MusicAlbum
date published: 2023-08-18
track: Get Away
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152811
  explicit: false
  by artist: Quarterhead
  by artist: Raphaella
  by artist: Tenchi
  in album: Get Away
    type: MusicAlbum
    date published: 2023-08-18
  isrc code: DEUM72308703
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T19:43:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x58d5951b190e06ae452dc3732f65623ffac8e9d975c319e4605895fdb69ef63c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/47Uvtw7WKsQuB1Cie2w9io.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/47Uvtw7WKsQuB1Cie2w9io
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x58d5951b190e06ae452dc3732f65623ffac8e9d975c319e4605895fdb69ef63c","isrc":"DEUM72308703","name":"Get Away","registered_at":"2026-06-22T19:43:05Z","spotify_id":"47Uvtw7WKsQuB1Cie2w9io","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x58d5951b190e06ae452dc3732f65623ffac8e9d975c319e4605895fdb69ef63c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/47Uvtw7WKsQuB1Cie2w9io.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/47Uvtw7WKsQuB1Cie2w9io.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x58d5951b190e06ae452dc3732f65623ffac8e9d975c319e4605895fdb69ef63c","isrc":"DEUM72308703","name":"Get Away","registered_at":"2026-06-22T19:43:05Z","spotify_id":"47Uvtw7WKsQuB1Cie2w9io","type":"track"}

Remedy
type: MusicAlbum
date published: 2023-06-30
track: Remedy
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127734
  explicit: false
  by artist: Matt Sassari
  by artist: Quarterhead
  by artist: Miggy Dela Rosa
  in album: Remedy
    type: MusicAlbum
    date published: 2023-06-30
  isrc code: GBHAD2300024
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T19:47:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd17dc571a0e47dc189de22c307a737338aa037cfa47dd8af929382e5d590cc07
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1LoGrm5coC2yXhofVni5Cp.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1LoGrm5coC2yXhofVni5Cp
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd17dc571a0e47dc189de22c307a737338aa037cfa47dd8af929382e5d590cc07. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1LoGrm5coC2yXhofVni5Cp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1LoGrm5coC2yXhofVni5Cp.
    date published: 2026-06-13T15:41:10Z
track: Remedy - Extended Mix
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264726
  explicit: false
  by artist: Matt Sassari
  by artist: Quarterhead
  by artist: Miggy Dela Rosa
  in album: Remedy
    type: MusicAlbum
    date published: 2023-06-30
  isrc code: GBHAD2300025
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T16:55:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3507ea0e8dfc0923e6258d91f415a103ce26f98b4758c25d9eba83995fd3b4dc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2aGMoJxJVIGBMVl8Qj1Zd5.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2aGMoJxJVIGBMVl8Qj1Zd5
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3507ea0e8dfc0923e6258d91f415a103ce26f98b4758c25d9eba83995fd3b4dc","isrc":"GBHAD2300025","name":"Remedy - Extended Mix","registered_at":"2026-06-22T16:55:18Z","spotify_id":"2aGMoJxJVIGBMVl8Qj1Zd5","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3507ea0e8dfc0923e6258d91f415a103ce26f98b4758c25d9eba83995fd3b4dc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2aGMoJxJVIGBMVl8Qj1Zd5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2aGMoJxJVIGBMVl8Qj1Zd5.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x3507ea0e8dfc0923e6258d91f415a103ce26f98b4758c25d9eba83995fd3b4dc","isrc":"GBHAD2300025","name":"Remedy - Extended Mix","registered_at":"2026-06-22T16:55:18Z","spotify_id":"2aGMoJxJVIGBMVl8Qj1Zd5","type":"track"}

Everyday
type: MusicAlbum
date published: 2023-06-02
track: Everyday
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144137
  explicit: false
  by artist: Quarterhead
  by artist: Jem Cooke
  in album: Everyday
    type: MusicAlbum
    date published: 2023-06-02
  isrc code: DEUM72306036
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T10:33:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbb929b9431d7051916d5156b5f6b1b217c54fd396d5abd0d5cc587dd51a285f3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956351
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956351
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1icGmUg7WzWAuIhchk9Jjp.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1icGmUg7WzWAuIhchk9Jjp
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T11:38:34Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xbb929b9431d7051916d5156b5f6b1b217c54fd396d5abd0d5cc587dd51a285f3. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1icGmUg7WzWAuIhchk9Jjp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1icGmUg7WzWAuIhchk9Jjp.
    date published: 2026-07-02T11:38:34Z

Farewell (VIP Mix)
type: MusicAlbum
date published: 2023-04-28
track: Farewell - VIP Mix
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160000
  explicit: false
  by artist: Quarterhead
  in album: Farewell (VIP Mix)
    type: MusicAlbum
    date published: 2023-04-28
  isrc code: DEUM72303177
track: Farewell
  type: MusicRecording
  duration: PT2M19S
  duration ms: 139127
  explicit: false
  by artist: Quarterhead
  in album: Farewell (VIP Mix)
    type: MusicAlbum
    date published: 2023-04-28

You Will See
type: MusicAlbum
date published: 2023-04-14
track: You Will See
  type: MusicRecording
  duration: PT2M23S
  duration ms: 143374
  explicit: false
  by artist: Quarterhead
  by artist: SESA
  in album: You Will See
    type: MusicAlbum
    date published: 2023-04-14
  isrc code: GBKQU2328636
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-01T10:18:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6da8b12a6e687c92c3f9efe863bb7cadd7bb5b89da7f2134295b16f52d5dfe30
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/77iE7LcAR6cmYOd19H0FsK.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/77iE7LcAR6cmYOd19H0FsK
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x6da8b12a6e687c92c3f9efe863bb7cadd7bb5b89da7f2134295b16f52d5dfe30","isrc":"GBKQU2328636","name":"You Will See","registered_at":"2026-06-01T10:18:55Z","spotify_id":"77iE7LcAR6cmYOd19H0FsK","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6da8b12a6e687c92c3f9efe863bb7cadd7bb5b89da7f2134295b16f52d5dfe30. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/77iE7LcAR6cmYOd19H0FsK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/77iE7LcAR6cmYOd19H0FsK.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x6da8b12a6e687c92c3f9efe863bb7cadd7bb5b89da7f2134295b16f52d5dfe30","isrc":"GBKQU2328636","name":"You Will See","registered_at":"2026-06-01T10:18:55Z","spotify_id":"77iE7LcAR6cmYOd19H0FsK","type":"track"}

Farewell
type: MusicAlbum
date published: 2023-03-24
track: Farewell
  type: MusicRecording
  duration: PT2M19S
  duration ms: 139127
  explicit: false
  by artist: Quarterhead
  in album: Farewell
    type: MusicAlbum
    date published: 2023-03-24
  isrc code: DEUM72300389

Lovesick (Quarterhead Remix)
type: MusicAlbum
date published: 2022-11-18
track: Lovesick - Quarterhead Remix
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157835
  explicit: false
  by artist: Nonô
  by artist: Quarterhead
  in album: Lovesick (Quarterhead Remix)
    type: MusicAlbum
    date published: 2022-11-18
  isrc code: QZUCN2200266

You Spin Me Right Round
type: MusicAlbum
date published: 2022-09-16
track: You Spin Me Right Round
  type: MusicRecording
  duration: PT2M2S
  duration ms: 122673
  explicit: false
  by artist: Quarterhead
  by artist: Late Nine
  in album: You Spin Me Right Round
    type: MusicAlbum
    date published: 2022-09-16
  isrc code: DEUM72205628
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T15:44:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9c030028f134a2aa9a44bb4f3bf2d5a1b14739bada2d35285d29ef864a53411d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0hjrnX8juGF8QNTamYVgRm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0hjrnX8juGF8QNTamYVgRm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9c030028f134a2aa9a44bb4f3bf2d5a1b14739bada2d35285d29ef864a53411d","isrc":"DEUM72205628","name":"You Spin Me Right Round","registered_at":"2026-06-04T15:44:36Z","spotify_id":"0hjrnX8juGF8QNTamYVgRm","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9c030028f134a2aa9a44bb4f3bf2d5a1b14739bada2d35285d29ef864a53411d. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0hjrnX8juGF8QNTamYVgRm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0hjrnX8juGF8QNTamYVgRm.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x9c030028f134a2aa9a44bb4f3bf2d5a1b14739bada2d35285d29ef864a53411d","isrc":"DEUM72205628","name":"You Spin Me Right Round","registered_at":"2026-06-04T15:44:36Z","spotify_id":"0hjrnX8juGF8QNTamYVgRm","type":"track"}

1981
type: MusicAlbum
date published: 2022-07-08
track: 1981
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202363
  explicit: false
  by artist: Quarterhead
  in album: 1981
    type: MusicAlbum
    date published: 2022-07-08
  isrc code: DEUM72203419
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T16:23:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x822986b18ebe903e54b9b56c02f73d778b55633d23da5c47b706dde36eefb7bd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7u4JWiOExiBrWtvo0U8Pkx.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7u4JWiOExiBrWtvo0U8Pkx
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x822986b18ebe903e54b9b56c02f73d778b55633d23da5c47b706dde36eefb7bd. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7u4JWiOExiBrWtvo0U8Pkx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7u4JWiOExiBrWtvo0U8Pkx.
    date published: 2026-07-02T03:30:09Z

The Last Shanty (Quarterhead Remix)
type: MusicAlbum
date published: 2022-05-13
track: The Last Shanty - Quarterhead Remix
  type: MusicRecording
  duration: PT2M29S
  duration ms: 149288
  explicit: false
  by artist: Nathan Evans
  by artist: Quarterhead
  in album: The Last Shanty (Quarterhead Remix)
    type: MusicAlbum
    date published: 2022-05-13
  isrc code: DEUM72202841
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T08:38:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbb7a06b3db624f602968340038e06615e4b88b31b950cd709da615e52680337b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4gjgcq3Pr6aLZzxSRkScBX.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4gjgcq3Pr6aLZzxSRkScBX
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xbb7a06b3db624f602968340038e06615e4b88b31b950cd709da615e52680337b","isrc":"DEUM72202841","name":"The Last Shanty - Quarterhead Remix","registered_at":"2026-06-05T08:38:27Z","spotify_id":"4gjgcq3Pr6aLZzxSRkScBX","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xbb7a06b3db624f602968340038e06615e4b88b31b950cd709da615e52680337b. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4gjgcq3Pr6aLZzxSRkScBX.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4gjgcq3Pr6aLZzxSRkScBX.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0xbb7a06b3db624f602968340038e06615e4b88b31b950cd709da615e52680337b","isrc":"DEUM72202841","name":"The Last Shanty - Quarterhead Remix","registered_at":"2026-06-05T08:38:27Z","spotify_id":"4gjgcq3Pr6aLZzxSRkScBX","type":"track"}

Is It Love
type: MusicAlbum
date published: 2022-04-15
track: Is It Love
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208657
  explicit: false
  by artist: Quarterhead
  by artist: Camylio
  in album: Is It Love
    type: MusicAlbum
    date published: 2022-04-15
  isrc code: DEUM72201532
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T05:14:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfc9897cfdb0a15b9d03bff618846b1ab95dad076ea9047e97c5dae9145312613
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/303r6bmyBvf5lpaR3CbaLm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/303r6bmyBvf5lpaR3CbaLm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xfc9897cfdb0a15b9d03bff618846b1ab95dad076ea9047e97c5dae9145312613","isrc":"DEUM72201532","name":"Is It Love","registered_at":"2026-06-08T05:14:35Z","spotify_id":"303r6bmyBvf5lpaR3CbaLm","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xfc9897cfdb0a15b9d03bff618846b1ab95dad076ea9047e97c5dae9145312613. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/303r6bmyBvf5lpaR3CbaLm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/303r6bmyBvf5lpaR3CbaLm.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xfc9897cfdb0a15b9d03bff618846b1ab95dad076ea9047e97c5dae9145312613","isrc":"DEUM72201532","name":"Is It Love","registered_at":"2026-06-08T05:14:35Z","spotify_id":"303r6bmyBvf5lpaR3CbaLm","type":"track"}

Juice
type: MusicAlbum
date published: 2022-01-28
track: Juice
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177253
  explicit: false
  by artist: Quarterhead
  in album: Juice
    type: MusicAlbum
    date published: 2022-01-28
  isrc code: GBHAD2200005
track: Juice - Extended Mix
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206557
  explicit: false
  by artist: Quarterhead
  in album: Juice
    type: MusicAlbum
    date published: 2022-01-28
  isrc code: GBHAD2200006

Eyes On You
type: MusicAlbum
date published: 2021-10-01
track: Eyes On You
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202515
  explicit: false
  by artist: HUGEL
  by artist: Quarterhead
  in album: Eyes On You
    type: MusicAlbum
    date published: 2021-10-01
  isrc code: GBCPZ2119922
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T06:52:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4a097d6132f5e46adbb82506b27cfb054a61abfb46713a1b7731f994e88b6997
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1evX3NUBE7QujnSmky2ox4.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1evX3NUBE7QujnSmky2ox4
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4a097d6132f5e46adbb82506b27cfb054a61abfb46713a1b7731f994e88b6997","isrc":"GBCPZ2119922","name":"Eyes On You","registered_at":"2026-06-24T06:52:16Z","spotify_id":"1evX3NUBE7QujnSmky2ox4","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4a097d6132f5e46adbb82506b27cfb054a61abfb46713a1b7731f994e88b6997. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1evX3NUBE7QujnSmky2ox4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1evX3NUBE7QujnSmky2ox4.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x4a097d6132f5e46adbb82506b27cfb054a61abfb46713a1b7731f994e88b6997","isrc":"GBCPZ2119922","name":"Eyes On You","registered_at":"2026-06-24T06:52:16Z","spotify_id":"1evX3NUBE7QujnSmky2ox4","type":"track"}
track: Eyes On You - Extended Mix
  type: MusicRecording
  duration: PT5M39S
  duration ms: 339474
  explicit: false
  by artist: HUGEL
  by artist: Quarterhead
  in album: Eyes On You
    type: MusicAlbum
    date published: 2021-10-01
  isrc code: GBCPZ2119924

Love So Sweet
type: MusicAlbum
date published: 2021-08-13
track: Love So Sweet
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173993
  explicit: false
  by artist: Quarterhead
  in album: Love So Sweet
    type: MusicAlbum
    date published: 2021-08-13
  isrc code: DEUM72117103
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T16:25:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x19373add9127e59ace3c96e5f80b144f00eab3a04e2cc7586a310311cd031bb1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7HYhxCIvLGiMKRtG8SOo1B.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7HYhxCIvLGiMKRtG8SOo1B
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x19373add9127e59ace3c96e5f80b144f00eab3a04e2cc7586a310311cd031bb1","isrc":"DEUM72117103","name":"Love So Sweet","registered_at":"2026-06-21T16:25:17Z","spotify_id":"7HYhxCIvLGiMKRtG8SOo1B","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x19373add9127e59ace3c96e5f80b144f00eab3a04e2cc7586a310311cd031bb1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7HYhxCIvLGiMKRtG8SOo1B.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7HYhxCIvLGiMKRtG8SOo1B.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x19373add9127e59ace3c96e5f80b144f00eab3a04e2cc7586a310311cd031bb1","isrc":"DEUM72117103","name":"Love So Sweet","registered_at":"2026-06-21T16:25:17Z","spotify_id":"7HYhxCIvLGiMKRtG8SOo1B","type":"track"}

Touch My Body
type: MusicAlbum
date published: 2021-04-16
track: Touch My Body
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156842
  explicit: false
  by artist: Quarterhead
  in album: Touch My Body
    type: MusicAlbum
    date published: 2021-04-16
  isrc code: DEUM72110153
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T22:21:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdf14944136876bb6dc2a535d151da2a1e34826e1994395dd87bcc3c5360e0d5b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6kM8TjRMLpzWpC0QX9ZT3z.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6kM8TjRMLpzWpC0QX9ZT3z
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xdf14944136876bb6dc2a535d151da2a1e34826e1994395dd87bcc3c5360e0d5b","isrc":"DEUM72110153","name":"Touch My Body","registered_at":"2026-06-19T22:21:21Z","spotify_id":"6kM8TjRMLpzWpC0QX9ZT3z","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xdf14944136876bb6dc2a535d151da2a1e34826e1994395dd87bcc3c5360e0d5b. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6kM8TjRMLpzWpC0QX9ZT3z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6kM8TjRMLpzWpC0QX9ZT3z.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xdf14944136876bb6dc2a535d151da2a1e34826e1994395dd87bcc3c5360e0d5b","isrc":"DEUM72110153","name":"Touch My Body","registered_at":"2026-06-19T22:21:21Z","spotify_id":"6kM8TjRMLpzWpC0QX9ZT3z","type":"track"}

One More Time (feat. Alida) [Quarterhead Remix]
type: MusicAlbum
date published: 2021-04-02
track: One More Time (feat. Alida) - Quarterhead Remix
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162580
  explicit: false
  by artist: Robin Schulz
  by artist: felix jaehn
  by artist: Quarterhead
  by artist: Alida
  in album: One More Time (feat. Alida) [Quarterhead Remix]
    type: MusicAlbum
    date published: 2021-04-02
  isrc code: DEA622100374
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T15:19:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x76a525ea90e9031d17c1848fcd226cdeb7d29ae2aae118ad3f47bee2bce135d7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0lXMcNaciFJJgiL88LniCe.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0lXMcNaciFJJgiL88LniCe
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x76a525ea90e9031d17c1848fcd226cdeb7d29ae2aae118ad3f47bee2bce135d7","isrc":"DEA622100374","name":"One More Time (feat. Alida) - Quarterhead Remix","registered_at":"2026-06-09T15:19:50Z","spotify_id":"0lXMcNaciFJJgiL88LniCe","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x76a525ea90e9031d17c1848fcd226cdeb7d29ae2aae118ad3f47bee2bce135d7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0lXMcNaciFJJgiL88LniCe.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0lXMcNaciFJJgiL88LniCe.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x76a525ea90e9031d17c1848fcd226cdeb7d29ae2aae118ad3f47bee2bce135d7","isrc":"DEA622100374","name":"One More Time (feat. Alida) - Quarterhead Remix","registered_at":"2026-06-09T15:19:50Z","spotify_id":"0lXMcNaciFJJgiL88LniCe","type":"track"}

Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Robin Schulz Remix]
type: MusicAlbum
date published: 2020-12-11
track: Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Robin Schulz Remix
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183382
  explicit: false
  by artist: Ofenbach
  by artist: Quarterhead
  by artist: Robin Schulz
  by artist: Norma Jean Martine
  in album: Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Robin Schulz Remix]
    type: MusicAlbum
    date published: 2020-12-11
  isrc code: FR9W12028037
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T11:14:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x995ddab015d20251000536a2e58b148d09a954605dc09863be0a314ce478950a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/38qZ4vbrNPpG6Fkek0hxle.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/38qZ4vbrNPpG6Fkek0hxle
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x995ddab015d20251000536a2e58b148d09a954605dc09863be0a314ce478950a","isrc":"FR9W12028037","name":"Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Robin Schulz Remix","registered_at":"2026-06-07T11:14:56Z","spotify_id":"38qZ4vbrNPpG6Fkek0hxle","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x995ddab015d20251000536a2e58b148d09a954605dc09863be0a314ce478950a. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/38qZ4vbrNPpG6Fkek0hxle.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/38qZ4vbrNPpG6Fkek0hxle.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x995ddab015d20251000536a2e58b148d09a954605dc09863be0a314ce478950a","isrc":"FR9W12028037","name":"Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Robin Schulz Remix","registered_at":"2026-06-07T11:14:56Z","spotify_id":"38qZ4vbrNPpG6Fkek0hxle","type":"track"}

Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Acoustic]
type: MusicAlbum
date published: 2020-10-30
track: Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Acoustic
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177175
  explicit: false
  by artist: Ofenbach
  by artist: Quarterhead
  by artist: Norma Jean Martine
  in album: Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Acoustic]
    type: MusicAlbum
    date published: 2020-10-30
  isrc code: FR9W12029230
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T22:21:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd436b4967625149cf09fa863fd4a0c67b2cc6a797d77f17d44d158950be02449
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/081Mz5osI2wR6qdc5K7nbU.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/081Mz5osI2wR6qdc5K7nbU
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd436b4967625149cf09fa863fd4a0c67b2cc6a797d77f17d44d158950be02449","isrc":"FR9W12029230","name":"Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Acoustic","registered_at":"2026-06-19T22:21:19Z","spotify_id":"081Mz5osI2wR6qdc5K7nbU","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd436b4967625149cf09fa863fd4a0c67b2cc6a797d77f17d44d158950be02449. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/081Mz5osI2wR6qdc5K7nbU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/081Mz5osI2wR6qdc5K7nbU.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xd436b4967625149cf09fa863fd4a0c67b2cc6a797d77f17d44d158950be02449","isrc":"FR9W12029230","name":"Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Acoustic","registered_at":"2026-06-19T22:21:19Z","spotify_id":"081Mz5osI2wR6qdc5K7nbU","type":"track"}

Cookie Dough (Extended Mix)
type: MusicAlbum
date published: 2020-10-16
track: Cookie Dough - Extended Mix
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171147
  explicit: false
  by artist: Dubdogz
  by artist: Quarterhead
  in album: Cookie Dough (Extended Mix)
    type: MusicAlbum
    date published: 2020-10-16
  isrc code: NLZ542001322

Cookie Dough
type: MusicAlbum
date published: 2020-10-16
track: Cookie Dough
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136109
  explicit: false
  by artist: Dubdogz
  by artist: Quarterhead
  in album: Cookie Dough
    type: MusicAlbum
    date published: 2020-10-16
  isrc code: NLZ542001323
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T06:40:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0c887e300bfe654044f11a9f73a4eaf32ed44a1662dcba3613c8836bb23c1360
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5s7haoE3AEkqpjeirAREfj.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5s7haoE3AEkqpjeirAREfj
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0c887e300bfe654044f11a9f73a4eaf32ed44a1662dcba3613c8836bb23c1360","isrc":"NLZ542001323","name":"Cookie Dough","registered_at":"2026-06-05T06:40:56Z","spotify_id":"5s7haoE3AEkqpjeirAREfj","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0c887e300bfe654044f11a9f73a4eaf32ed44a1662dcba3613c8836bb23c1360. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5s7haoE3AEkqpjeirAREfj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5s7haoE3AEkqpjeirAREfj.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x0c887e300bfe654044f11a9f73a4eaf32ed44a1662dcba3613c8836bb23c1360","isrc":"NLZ542001323","name":"Cookie Dough","registered_at":"2026-06-05T06:40:56Z","spotify_id":"5s7haoE3AEkqpjeirAREfj","type":"track"}

Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Alle Farben Remix]
type: MusicAlbum
date published: 2020-09-11
track: Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Alle Farben Remix
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160000
  explicit: false
  by artist: Ofenbach
  by artist: Quarterhead
  by artist: Norma Jean Martine
  by artist: Alle Farben
  in album: Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Alle Farben Remix]
    type: MusicAlbum
    date published: 2020-09-11
  isrc code: FR9W12023306
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T14:52:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3698e9b0e340901b991a9dc2d9c632014d51a5ba1556c473361b4f24a3b2bf26
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1uUnUYGWtD4aQI0eVzO5vz.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1uUnUYGWtD4aQI0eVzO5vz
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3698e9b0e340901b991a9dc2d9c632014d51a5ba1556c473361b4f24a3b2bf26","isrc":"FR9W12023306","name":"Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Alle Farben Remix","registered_at":"2026-06-06T14:52:26Z","spotify_id":"1uUnUYGWtD4aQI0eVzO5vz","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3698e9b0e340901b991a9dc2d9c632014d51a5ba1556c473361b4f24a3b2bf26. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1uUnUYGWtD4aQI0eVzO5vz.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1uUnUYGWtD4aQI0eVzO5vz.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x3698e9b0e340901b991a9dc2d9c632014d51a5ba1556c473361b4f24a3b2bf26","isrc":"FR9W12023306","name":"Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Alle Farben Remix","registered_at":"2026-06-06T14:52:26Z","spotify_id":"1uUnUYGWtD4aQI0eVzO5vz","type":"track"}

Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Alle Farben Extended Remix]
type: MusicAlbum
date published: 2020-09-11
track: Head Shoulders Knees & Toes (feat. Norma Jean Martine) - Alle Farben Extended Remix
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222406
  explicit: false
  by artist: Ofenbach
  by artist: Quarterhead
  by artist: Norma Jean Martine
  by artist: Alle Farben
  in album: Head Shoulders Knees & Toes (feat. Norma Jean Martine) [Alle Farben Extended Remix]
    type: MusicAlbum
    date published: 2020-09-11
  isrc code: FR9W12023307

Head Shoulders Knees & Toes (feat. Norma Jean Martine)
type: MusicAlbum
date published: 2020-05-08
track: Head Shoulders Knees & Toes (feat. Norma Jean Martine)
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156960
  explicit: false
  by artist: Ofenbach
  by artist: Quarterhead
  by artist: Norma Jean Martine
  in album: Head Shoulders Knees & Toes (feat. Norma Jean Martine)
    type: MusicAlbum
    date published: 2020-05-08
  isrc code: FRY682000003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-01T18:56:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x24d5523e1ab4cb4930b07254494f46d2d1440377451424da6bff3fe8f1fc1a59
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6i7zAdNhzUN2k1HcrBxPHG.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6i7zAdNhzUN2k1HcrBxPHG
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x24d5523e1ab4cb4930b07254494f46d2d1440377451424da6bff3fe8f1fc1a59","isrc":"FRY682000003","name":"Head Shoulders Knees & Toes (feat. Norma Jean Martine)","registered_at":"2026-06-01T18:56:41Z","spotify_id":"6i7zAdNhzUN2k1HcrBxPHG","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x24d5523e1ab4cb4930b07254494f46d2d1440377451424da6bff3fe8f1fc1a59. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6i7zAdNhzUN2k1HcrBxPHG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6i7zAdNhzUN2k1HcrBxPHG.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x24d5523e1ab4cb4930b07254494f46d2d1440377451424da6bff3fe8f1fc1a59","isrc":"FRY682000003","name":"Head Shoulders Knees & Toes (feat. Norma Jean Martine)","registered_at":"2026-06-01T18:56:41Z","spotify_id":"6i7zAdNhzUN2k1HcrBxPHG","type":"track"}

Candy Shop
type: MusicAlbum
date published: 2019-11-22
track: Candy Shop
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171066
  explicit: false
  by artist: Quarterhead
  in album: Candy Shop
    type: MusicAlbum
    date published: 2019-11-22
  isrc code: DEA811900642
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T23:49:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xde3fd4fa929ffdaf0484a67514f6a2fb2f5697d2d40287be13882bd07181b699
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7E69oKSnlJE1URzBrjWefL.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7E69oKSnlJE1URzBrjWefL
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xde3fd4fa929ffdaf0484a67514f6a2fb2f5697d2d40287be13882bd07181b699","isrc":"DEA811900642","name":"Candy Shop","registered_at":"2026-06-09T23:49:17Z","spotify_id":"7E69oKSnlJE1URzBrjWefL","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xde3fd4fa929ffdaf0484a67514f6a2fb2f5697d2d40287be13882bd07181b699. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7E69oKSnlJE1URzBrjWefL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7E69oKSnlJE1URzBrjWefL.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xde3fd4fa929ffdaf0484a67514f6a2fb2f5697d2d40287be13882bd07181b699","isrc":"DEA811900642","name":"Candy Shop","registered_at":"2026-06-09T23:49:17Z","spotify_id":"7E69oKSnlJE1URzBrjWefL","type":"track"}

Fever
type: MusicRecording
duration: PT2M44S
duration ms: 164747
explicit: false
by artist: HUGEL
by artist: Quarterhead
in album: Fever
  type: MusicAlbum
  date published: 2022-04-29
isrc code: GBCPZ2220758
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T03:47:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf9e1db3a523d9d623461df30be5e2b63d049eb4a639820ddf300cf0fd0480c0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/60LqGQ9H0edzxwy2xhH5Sr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/60LqGQ9H0edzxwy2xhH5Sr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xf9e1db3a523d9d623461df30be5e2b63d049eb4a639820ddf300cf0fd0480c0f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/60LqGQ9H0edzxwy2xhH5Sr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/60LqGQ9H0edzxwy2xhH5Sr.
  date published: 2026-07-02T03:55:08Z

I Wanna Thank Me (feat. Niecy Nash) - Quarterhead Remix
type: MusicRecording
duration: PT2M6S
duration ms: 126267
explicit: false
by artist: Meghan Trainor
by artist: Niecy Nash
by artist: Quarterhead
in album: I Wanna Thank Me (feat. Niecy Nash) [Remixes]
  type: MusicAlbum
  date published: 2024-08-14
isrc code: USSM12404744
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T04:18:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x64fead4d4bf8ccc235288d77d6256fd576a3fb62d005ca67824ecc22c1af73da
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7bqVPZKR4T9FQtBrcZWaLR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7bqVPZKR4T9FQtBrcZWaLR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x64fead4d4bf8ccc235288d77d6256fd576a3fb62d005ca67824ecc22c1af73da","isrc":"USSM12404744","name":"I Wanna Thank Me (feat. Niecy Nash) - Quarterhead Remix","registered_at":"2026-06-10T04:18:01Z","spotify_id":"7bqVPZKR4T9FQtBrcZWaLR","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x64fead4d4bf8ccc235288d77d6256fd576a3fb62d005ca67824ecc22c1af73da. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7bqVPZKR4T9FQtBrcZWaLR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7bqVPZKR4T9FQtBrcZWaLR.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x64fead4d4bf8ccc235288d77d6256fd576a3fb62d005ca67824ecc22c1af73da","isrc":"USSM12404744","name":"I Wanna Thank Me (feat. Niecy Nash) - Quarterhead Remix","registered_at":"2026-06-10T04:18:01Z","spotify_id":"7bqVPZKR4T9FQtBrcZWaLR","type":"track"}

Lucky
type: MusicRecording
duration: PT2M38S
duration ms: 158400
explicit: false
by artist: Cheat Codes
by artist: Quarterhead
by artist: KIDOO
in album: HELLRAISERS, Part 3
  type: MusicAlbum
  date published: 2022-05-27
isrc code: DEUM72118148
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T02:55:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63fc1bf305005ec9830ac2a34792fab6cf6fb35acc8a773df0608fa4ef25e5e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2YvUhc8ZvPgHCRy1Sfxuah.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2YvUhc8ZvPgHCRy1Sfxuah
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x63fc1bf305005ec9830ac2a34792fab6cf6fb35acc8a773df0608fa4ef25e5e4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2YvUhc8ZvPgHCRy1Sfxuah.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2YvUhc8ZvPgHCRy1Sfxuah.
  date published: 2026-07-02T03:55:08Z

Fever - Extended Mix
type: MusicRecording
duration: PT5M27S
duration ms: 327116
explicit: false
by artist: HUGEL
by artist: Quarterhead
in album: Fever
  type: MusicAlbum
  date published: 2022-04-29
isrc code: GBCPZ2220759

Tequila - Quarterhead Remix
type: MusicRecording
duration: PT3M17S
duration ms: 197000
explicit: false
by artist: Dan + Shay
by artist: Quarterhead
in album: Tequila (The Remixes)
  type: MusicAlbum
  date published: 2018-08-31
isrc code: USWB11801855
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T20:56:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x82d07514c6bdbccdcfbc78ab524dbad3d11213dd26b1990ac92b245df1e103f7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956351
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7bGIJm8sKtunnrfUmXpTKD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7bGIJm8sKtunnrfUmXpTKD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x82d07514c6bdbccdcfbc78ab524dbad3d11213dd26b1990ac92b245df1e103f7","isrc":"USWB11801855","name":"Tequila - Quarterhead Remix","registered_at":"2026-06-17T20:56:08Z","spotify_id":"7bGIJm8sKtunnrfUmXpTKD","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x82d07514c6bdbccdcfbc78ab524dbad3d11213dd26b1990ac92b245df1e103f7. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7bGIJm8sKtunnrfUmXpTKD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7bGIJm8sKtunnrfUmXpTKD.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0x82d07514c6bdbccdcfbc78ab524dbad3d11213dd26b1990ac92b245df1e103f7","isrc":"USWB11801855","name":"Tequila - Quarterhead Remix","registered_at":"2026-06-17T20:56:08Z","spotify_id":"7bGIJm8sKtunnrfUmXpTKD","type":"track"}

Nothing to Say - Quarterhead Remix
type: MusicRecording
duration: PT3M21S
duration ms: 201575
explicit: false
by artist: Y.V.E. 48
by artist: LissA
by artist: Quarterhead
in album: Nothing to Say (Quarterhead Remix)
  type: MusicAlbum
  date published: 2017-05-19
isrc code: DEAX11700012
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T20:36:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0449a8b58cf1a26d589a1888e5d696a86a3eb468e46b5a8251d7f1936fe31fe4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2ksxH52F21Z0pq5d0YxhBu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ksxH52F21Z0pq5d0YxhBu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0449a8b58cf1a26d589a1888e5d696a86a3eb468e46b5a8251d7f1936fe31fe4","isrc":"DEAX11700012","name":"Nothing to Say - Quarterhead Remix","registered_at":"2026-06-26T20:36:46Z","spotify_id":"2ksxH52F21Z0pq5d0YxhBu","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0449a8b58cf1a26d589a1888e5d696a86a3eb468e46b5a8251d7f1936fe31fe4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2ksxH52F21Z0pq5d0YxhBu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2ksxH52F21Z0pq5d0YxhBu.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x0449a8b58cf1a26d589a1888e5d696a86a3eb468e46b5a8251d7f1936fe31fe4","isrc":"DEAX11700012","name":"Nothing to Say - Quarterhead Remix","registered_at":"2026-06-26T20:36:46Z","spotify_id":"2ksxH52F21Z0pq5d0YxhBu","type":"track"}

Lucky - Wave Wave Remix
type: MusicRecording
duration: PT2M41S
duration ms: 161280
explicit: false
by artist: Quarterhead
by artist: Cheat Codes
by artist: KIDDO
by artist: Wave Wave
in album: Lucky (Wave Wave Remix)
  type: MusicAlbum
  date published: 2022-02-25
isrc code: DEUM72201037
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T15:43:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee2bdaf4fec1ca9babcf4c714b9402484a409ff3d188f2604219011c0fa3bf19
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7sORU8UyF1Y0E9GwtgKtEl.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7sORU8UyF1Y0E9GwtgKtEl
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xee2bdaf4fec1ca9babcf4c714b9402484a409ff3d188f2604219011c0fa3bf19","isrc":"DEUM72201037","name":"Lucky - Wave Wave Remix","registered_at":"2026-06-18T15:43:00Z","spotify_id":"7sORU8UyF1Y0E9GwtgKtEl","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xee2bdaf4fec1ca9babcf4c714b9402484a409ff3d188f2604219011c0fa3bf19. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7sORU8UyF1Y0E9GwtgKtEl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7sORU8UyF1Y0E9GwtgKtEl.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xee2bdaf4fec1ca9babcf4c714b9402484a409ff3d188f2604219011c0fa3bf19","isrc":"DEUM72201037","name":"Lucky - Wave Wave Remix","registered_at":"2026-06-18T15:43:00Z","spotify_id":"7sORU8UyF1Y0E9GwtgKtEl","type":"track"}

Lucky
type: MusicRecording
duration: PT2M38S
duration ms: 158400
explicit: false
by artist: Quarterhead
by artist: Cheat Codes
by artist: KIDDO
in album: Lucky
  type: MusicAlbum
  date published: 2021-11-12
isrc code: DEUM72118148
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T02:55:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63fc1bf305005ec9830ac2a34792fab6cf6fb35acc8a773df0608fa4ef25e5e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0p2l7iShwadwS2qe0M8lV1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0p2l7iShwadwS2qe0M8lV1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x63fc1bf305005ec9830ac2a34792fab6cf6fb35acc8a773df0608fa4ef25e5e4. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0p2l7iShwadwS2qe0M8lV1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0p2l7iShwadwS2qe0M8lV1.
  date published: 2026-06-13T13:32:09Z

Major Lazer (Bhavv VIP Mix)
type: MusicRecording
duration: PT2M16S
duration ms: 136578
explicit: false
by artist: KSHMR
by artist: Quarterhead
by artist: Bhavv
in album: Major Lazer (Bhavv VIP Mix)
  type: MusicAlbum
  date published: 2023-05-05
isrc code: NLZ542300639
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T01:44:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b15f8259ab1d86635ad4494077e6c9653f46c12cc455a1fb02e09ad87e80d53
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7fE4I27jGvxcWnUls9ABRT.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7fE4I27jGvxcWnUls9ABRT
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3b15f8259ab1d86635ad4494077e6c9653f46c12cc455a1fb02e09ad87e80d53","isrc":"NLZ542300639","name":"Major Lazer (Bhavv VIP Mix)","registered_at":"2026-06-11T01:44:45Z","spotify_id":"7fE4I27jGvxcWnUls9ABRT","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3b15f8259ab1d86635ad4494077e6c9653f46c12cc455a1fb02e09ad87e80d53. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7fE4I27jGvxcWnUls9ABRT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7fE4I27jGvxcWnUls9ABRT.
  date published: 2026-06-13T15:41:10Z
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Major Lazer
type: MusicRecording
duration: PT2M46S
duration ms: 166468
explicit: false
by artist: KSHMR
by artist: Quarterhead
in album: Major Lazer
  type: MusicAlbum
  date published: 2023-03-10
isrc code: NLZ542300271
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T00:27:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1a616b2b8873cd1409066c57120f255701c72ac04ce6000b64a5ee3d0f2df9b8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7omRjfVEwx72dRDNWdFs43.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7omRjfVEwx72dRDNWdFs43
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1a616b2b8873cd1409066c57120f255701c72ac04ce6000b64a5ee3d0f2df9b8","isrc":"NLZ542300271","name":"Major Lazer","registered_at":"2026-06-08T00:27:22Z","spotify_id":"7omRjfVEwx72dRDNWdFs43","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1a616b2b8873cd1409066c57120f255701c72ac04ce6000b64a5ee3d0f2df9b8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7omRjfVEwx72dRDNWdFs43.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7omRjfVEwx72dRDNWdFs43.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x1a616b2b8873cd1409066c57120f255701c72ac04ce6000b64a5ee3d0f2df9b8","isrc":"NLZ542300271","name":"Major Lazer","registered_at":"2026-06-08T00:27:22Z","spotify_id":"7omRjfVEwx72dRDNWdFs43","type":"track"}

Is It Love - Öwnboss Remix
type: MusicRecording
duration: PT3M31S
duration ms: 211935
explicit: false
by artist: Quarterhead
by artist: Camylio
by artist: Öwnboss
in album: Is It Love (Öwnboss Remix)
  type: MusicAlbum
  date published: 2022-05-27
isrc code: DEUM72202842
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T07:08:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23fe8e33f5e7cc45c588f30bab5585fc672dd0cc132586f56e4f0707312d58f4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3GGb1PYDGNlRoD5aRyyE6l.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GGb1PYDGNlRoD5aRyyE6l
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x23fe8e33f5e7cc45c588f30bab5585fc672dd0cc132586f56e4f0707312d58f4","isrc":"DEUM72202842","name":"Is It Love - Öwnboss Remix","registered_at":"2026-06-22T07:08:29Z","spotify_id":"3GGb1PYDGNlRoD5aRyyE6l","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x23fe8e33f5e7cc45c588f30bab5585fc672dd0cc132586f56e4f0707312d58f4. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3GGb1PYDGNlRoD5aRyyE6l.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3GGb1PYDGNlRoD5aRyyE6l.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x23fe8e33f5e7cc45c588f30bab5585fc672dd0cc132586f56e4f0707312d58f4","isrc":"DEUM72202842","name":"Is It Love - Öwnboss Remix","registered_at":"2026-06-22T07:08:29Z","spotify_id":"3GGb1PYDGNlRoD5aRyyE6l","type":"track"}

Is It Love
type: MusicRecording
duration: PT3M28S
duration ms: 208657
explicit: false
by artist: Quarterhead
by artist: Camylio
in album: Is It Love (Öwnboss Remix)
  type: MusicAlbum
  date published: 2022-05-27
isrc code: DEUM72201532
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T05:14:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfc9897cfdb0a15b9d03bff618846b1ab95dad076ea9047e97c5dae9145312613
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/511PZ64E0ptS8Cl5QRESP1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/511PZ64E0ptS8Cl5QRESP1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfc9897cfdb0a15b9d03bff618846b1ab95dad076ea9047e97c5dae9145312613","isrc":"DEUM72201532","name":"Is It Love","registered_at":"2026-06-08T05:14:35Z","spotify_id":"511PZ64E0ptS8Cl5QRESP1","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xfc9897cfdb0a15b9d03bff618846b1ab95dad076ea9047e97c5dae9145312613. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/511PZ64E0ptS8Cl5QRESP1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/511PZ64E0ptS8Cl5QRESP1.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0xfc9897cfdb0a15b9d03bff618846b1ab95dad076ea9047e97c5dae9145312613","isrc":"DEUM72201532","name":"Is It Love","registered_at":"2026-06-08T05:14:35Z","spotify_id":"511PZ64E0ptS8Cl5QRESP1","type":"track"}

Skin - Quarterhead Remix
type: MusicRecording
duration: PT3M7S
duration ms: 187000
explicit: false
by artist: Sabrina Carpenter
by artist: Quarterhead
in album: Skin (Quarterhead Remix)
  type: MusicAlbum
  date published: 2021-02-26
isrc code: USUM72102387
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T07:51:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x020f70651c08d52cdbf2ef3a7a3a8f936fbba9e920b580d1d8aad8bda9e4fefe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3DNziCcqRd2v8uQWwec1GW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3DNziCcqRd2v8uQWwec1GW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x020f70651c08d52cdbf2ef3a7a3a8f936fbba9e920b580d1d8aad8bda9e4fefe","isrc":"USUM72102387","name":"Skin - Quarterhead Remix","registered_at":"2026-06-06T07:51:22Z","spotify_id":"3DNziCcqRd2v8uQWwec1GW","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x020f70651c08d52cdbf2ef3a7a3a8f936fbba9e920b580d1d8aad8bda9e4fefe. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3DNziCcqRd2v8uQWwec1GW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3DNziCcqRd2v8uQWwec1GW.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x020f70651c08d52cdbf2ef3a7a3a8f936fbba9e920b580d1d8aad8bda9e4fefe","isrc":"USUM72102387","name":"Skin - Quarterhead Remix","registered_at":"2026-06-06T07:51:22Z","spotify_id":"3DNziCcqRd2v8uQWwec1GW","type":"track"}

System Overload
type: MusicRecording
duration: PT2M30S
duration ms: 150243
explicit: false
by artist: Quarterhead
by artist: Camden Cox
in album: System Overload
  type: MusicAlbum
  date published: 2022-08-26
isrc code: AUDCB1702121
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T02:34:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6b0d47cefa029e933c019b4c118b36b6fd60276764dde9ae132f1bd6fd8890db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5IMetvxeKmnFeUiCvsFYL1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5IMetvxeKmnFeUiCvsFYL1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6b0d47cefa029e933c019b4c118b36b6fd60276764dde9ae132f1bd6fd8890db","isrc":"AUDCB1702121","name":"System Overload","registered_at":"2026-06-19T02:34:22Z","spotify_id":"5IMetvxeKmnFeUiCvsFYL1","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6b0d47cefa029e933c019b4c118b36b6fd60276764dde9ae132f1bd6fd8890db. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5IMetvxeKmnFeUiCvsFYL1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5IMetvxeKmnFeUiCvsFYL1.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x6b0d47cefa029e933c019b4c118b36b6fd60276764dde9ae132f1bd6fd8890db","isrc":"AUDCB1702121","name":"System Overload","registered_at":"2026-06-19T02:34:22Z","spotify_id":"5IMetvxeKmnFeUiCvsFYL1","type":"track"}

Head Shoulders Knees & Toes (feat. Norma Jean Martine)
type: MusicRecording
duration: PT2M36S
duration ms: 156960
explicit: false
by artist: Ofenbach
by artist: Quarterhead
by artist: Norma Jean Martine
in album: I
  type: MusicAlbum
  date published: 2022-09-02
isrc code: FRY682000003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T18:56:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x24d5523e1ab4cb4930b07254494f46d2d1440377451424da6bff3fe8f1fc1a59
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7uSvfsv3mOwc4bT5UYKDYw.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7uSvfsv3mOwc4bT5UYKDYw
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x24d5523e1ab4cb4930b07254494f46d2d1440377451424da6bff3fe8f1fc1a59","isrc":"FRY682000003","name":"Head Shoulders Knees & Toes (feat. Norma Jean Martine)","registered_at":"2026-06-01T18:56:41Z","spotify_id":"7uSvfsv3mOwc4bT5UYKDYw","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x24d5523e1ab4cb4930b07254494f46d2d1440377451424da6bff3fe8f1fc1a59. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7uSvfsv3mOwc4bT5UYKDYw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7uSvfsv3mOwc4bT5UYKDYw.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x24d5523e1ab4cb4930b07254494f46d2d1440377451424da6bff3fe8f1fc1a59","isrc":"FRY682000003","name":"Head Shoulders Knees & Toes (feat. Norma Jean Martine)","registered_at":"2026-06-01T18:56:41Z","spotify_id":"7uSvfsv3mOwc4bT5UYKDYw","type":"track"}

Nobody Else
type: MusicRecording
duration: PT2M21S
duration ms: 141151
explicit: false
by artist: Ofenbach
by artist: Quarterhead
in album: I
  type: MusicAlbum
  date published: 2022-09-02
isrc code: FR9W12234240
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T07:54:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x874b56423825ece6ec5e2f2a5291ce59685128b7880519870ca6a0bec90e0f8e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1BwwcsQWbG23Ry2wnmMgbO.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1BwwcsQWbG23Ry2wnmMgbO
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x874b56423825ece6ec5e2f2a5291ce59685128b7880519870ca6a0bec90e0f8e","isrc":"FR9W12234240","name":"Nobody Else","registered_at":"2026-06-21T07:54:06Z","spotify_id":"1BwwcsQWbG23Ry2wnmMgbO","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x874b56423825ece6ec5e2f2a5291ce59685128b7880519870ca6a0bec90e0f8e. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1BwwcsQWbG23Ry2wnmMgbO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1BwwcsQWbG23Ry2wnmMgbO.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x874b56423825ece6ec5e2f2a5291ce59685128b7880519870ca6a0bec90e0f8e","isrc":"FR9W12234240","name":"Nobody Else","registered_at":"2026-06-21T07:54:06Z","spotify_id":"1BwwcsQWbG23Ry2wnmMgbO","type":"track"}

All Good Things (Come To An End) - Nelly Furtado x Quarterhead
type: MusicRecording
duration: PT3M5S
duration ms: 185348
explicit: false
by artist: Nelly Furtado
by artist: Quarterhead
in album: Loose (Expanded Edition)
  type: MusicAlbum
  date published: 2021-06-04
isrc code: USUM72106552
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:11:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4hZ3E2eYHadmtKHbAaNycZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4hZ3E2eYHadmtKHbAaNycZ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28","isrc":"USUM72106552","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead","registered_at":"2026-06-04T12:11:48Z","spotify_id":"4hZ3E2eYHadmtKHbAaNycZ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4hZ3E2eYHadmtKHbAaNycZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4hZ3E2eYHadmtKHbAaNycZ.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28","isrc":"USUM72106552","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead","registered_at":"2026-06-04T12:11:48Z","spotify_id":"4hZ3E2eYHadmtKHbAaNycZ","type":"track"}

All Good Things (Come To An End) - Nelly Furtado x Quarterhead
type: MusicRecording
duration: PT3M5S
duration ms: 185348
explicit: false
by artist: Nelly Furtado
by artist: Quarterhead
in album: All Good Things (Come To An End) [Nelly Furtado x Quarterhead]
  type: MusicAlbum
  date published: 2021-05-28
isrc code: USUM72106552
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:11:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6SGrxiwzBMXdH02vDhKJvr.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6SGrxiwzBMXdH02vDhKJvr
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28","isrc":"USUM72106552","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead","registered_at":"2026-06-04T12:11:48Z","spotify_id":"6SGrxiwzBMXdH02vDhKJvr","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6SGrxiwzBMXdH02vDhKJvr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6SGrxiwzBMXdH02vDhKJvr.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x7c9d852943012229a8893210e6e7971f8c1a9d026c7567306a3a9b20bf577a28","isrc":"USUM72106552","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead","registered_at":"2026-06-04T12:11:48Z","spotify_id":"6SGrxiwzBMXdH02vDhKJvr","type":"track"}

All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Extended Remix
type: MusicRecording
duration: PT4M36S
duration ms: 276922
explicit: false
by artist: Nelly Furtado
by artist: Quarterhead
in album: All Good Things (Come To An End) [Nelly Furtado x Quarterhead]
  type: MusicAlbum
  date published: 2021-05-28
isrc code: USUM72107522
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T22:24:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x042f8dd9eb57cf45fec69344679a2de5158e6aa6d815a80663666b64cac50075
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/00xjfer1vFypUtlp8g7lt0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00xjfer1vFypUtlp8g7lt0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x042f8dd9eb57cf45fec69344679a2de5158e6aa6d815a80663666b64cac50075","isrc":"USUM72107522","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Extended Remix","registered_at":"2026-06-19T22:24:10Z","spotify_id":"00xjfer1vFypUtlp8g7lt0","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x042f8dd9eb57cf45fec69344679a2de5158e6aa6d815a80663666b64cac50075. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/00xjfer1vFypUtlp8g7lt0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/00xjfer1vFypUtlp8g7lt0.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x042f8dd9eb57cf45fec69344679a2de5158e6aa6d815a80663666b64cac50075","isrc":"USUM72107522","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Extended Remix","registered_at":"2026-06-19T22:24:10Z","spotify_id":"00xjfer1vFypUtlp8g7lt0","type":"track"}

All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Remix Instrumental
type: MusicRecording
duration: PT3M5S
duration ms: 185348
explicit: false
by artist: Nelly Furtado
by artist: Quarterhead
in album: All Good Things (Come To An End) [Nelly Furtado x Quarterhead]
  type: MusicAlbum
  date published: 2021-05-28
isrc code: USUM72107523
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T03:49:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x59a1d564b37157aa90925dae320d65eb12fbb40c7341bd5e934dfedee0f5ba49
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956375
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2cclmIYVuSDxU1EZ7WtIUw.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2cclmIYVuSDxU1EZ7WtIUw
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x59a1d564b37157aa90925dae320d65eb12fbb40c7341bd5e934dfedee0f5ba49","isrc":"USUM72107523","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Remix Instrumental","registered_at":"2026-06-28T03:49:50Z","spotify_id":"2cclmIYVuSDxU1EZ7WtIUw","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x59a1d564b37157aa90925dae320d65eb12fbb40c7341bd5e934dfedee0f5ba49. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2cclmIYVuSDxU1EZ7WtIUw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2cclmIYVuSDxU1EZ7WtIUw.
  date published: 2026-07-02T16:51:38Z
  text: {"copyright_id":"0x59a1d564b37157aa90925dae320d65eb12fbb40c7341bd5e934dfedee0f5ba49","isrc":"USUM72107523","name":"All Good Things (Come To An End) - Nelly Furtado x Quarterhead/Remix Instrumental","registered_at":"2026-06-28T03:49:50Z","spotify_id":"2cclmIYVuSDxU1EZ7WtIUw","type":"track"}