HeyKids Kinderlieder
type: MusicGroup
genre: children's music
popularity: 33
followers: 1647
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcc0d99ad0b697f4569658b88ab967d2b65d4b6ce46ede86c2c0e2c973454a5fa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2e625c5c-f95b-426b-a89a-c587792919c1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2e625c5c-f95b-426b-a89a-c587792919c1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2e625c5c-f95b-426b-a89a-c587792919c1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcc0d99ad0b697f4569658b88ab967d2b65d4b6ce46ede86c2c0e2c973454a5fa","name":"HeyKids Kinderlieder","registered_at":"2026-06-11T15:19:41Z","symbol":"NIM0061402","token_address":"0xcdb1997326978a757f45df398b2395fb97e248b6","type":"artist","uuid":"2e625c5c-f95b-426b-a89a-c587792919c1"}
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 0xcc0d99ad0b697f4569658b88ab967d2b65d4b6ce46ede86c2c0e2c973454a5fa. 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/2e625c5c-f95b-426b-a89a-c587792919c1.json and https://artists.proofprofile.net/proofs/artist/2e625c5c-f95b-426b-a89a-c587792919c1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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album: Kinderlieder Deutsch
  type: MusicAlbum
  date published: 2017-10-07
  track: Fuchs du hast die Gans gestohlen
    type: MusicRecording
    duration: PT1M35S
    duration ms: 95778
    explicit: false
    by artist: HeyKids Kinderlieder
    in album: Kinderlieder Deutsch
      type: MusicAlbum
      date published: 2017-10-07
    isrc code: USLZJ1788635
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-09T14:02:20+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xeb6da8f7c5726bc058bc287b2396783f718caab4de6ca55c23f11d5cedf9adfa
    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/6HoOTb8rumU3LCgY196MPr.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6HoOTb8rumU3LCgY196MPr
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T17:25:41Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xeb6da8f7c5726bc058bc287b2396783f718caab4de6ca55c23f11d5cedf9adfa","isrc":"USLZJ1788635","name":"Fuchs du hast die Gans gestohlen","registered_at":"2026-06-09T14:02:20Z","spotify_id":"6HoOTb8rumU3LCgY196MPr","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 0xeb6da8f7c5726bc058bc287b2396783f718caab4de6ca55c23f11d5cedf9adfa. 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/6HoOTb8rumU3LCgY196MPr.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/6HoOTb8rumU3LCgY196MPr.
      date published: 2026-06-13T17:25:41Z
      text: {"copyright_id":"0xeb6da8f7c5726bc058bc287b2396783f718caab4de6ca55c23f11d5cedf9adfa","isrc":"USLZJ1788635","name":"Fuchs du hast die Gans gestohlen","registered_at":"2026-06-09T14:02:20Z","spotify_id":"6HoOTb8rumU3LCgY196MPr","type":"track"}
  track: Kopf Schulter Knie und Fuß
    type: MusicRecording
    duration: PT1M28S
    duration ms: 88000
    explicit: false
    by artist: HeyKids Kinderlieder
    in album: Kinderlieder Deutsch
      type: MusicAlbum
      date published: 2017-10-07
    isrc code: USLZJ1788648
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-06T15:07:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xff4c93b9041232f86e6076010c89d84ca5821b218ffe0c546c314b300819df84
    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/6ymCWq5biWn9SOHVRjaQzd.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ymCWq5biWn9SOHVRjaQzd
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xff4c93b9041232f86e6076010c89d84ca5821b218ffe0c546c314b300819df84","isrc":"USLZJ1788648","name":"Kopf Schulter Knie und Fuß","registered_at":"2026-06-06T15:07:02Z","spotify_id":"6ymCWq5biWn9SOHVRjaQzd","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 0xff4c93b9041232f86e6076010c89d84ca5821b218ffe0c546c314b300819df84. 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/6ymCWq5biWn9SOHVRjaQzd.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/6ymCWq5biWn9SOHVRjaQzd.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0xff4c93b9041232f86e6076010c89d84ca5821b218ffe0c546c314b300819df84","isrc":"USLZJ1788648","name":"Kopf Schulter Knie und Fuß","registered_at":"2026-06-06T15:07:02Z","spotify_id":"6ymCWq5biWn9SOHVRjaQzd","type":"track"}
  track: Wenn du fröhlich bist
    type: MusicRecording
    duration: PT1M17S
    duration ms: 77703
    explicit: false
    by artist: HeyKids Kinderlieder
    in album: Kinderlieder Deutsch
      type: MusicAlbum
      date published: 2017-10-07
    isrc code: USLZJ1788649
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-06T01:16:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x131479503f4e84910df900ff128b300b73547c0296ca0d1f5185b32c9a157cc8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953528
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/0TIZej5SK0915StJSquIWp.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0TIZej5SK0915StJSquIWp
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x131479503f4e84910df900ff128b300b73547c0296ca0d1f5185b32c9a157cc8","isrc":"USLZJ1788649","name":"Wenn du fröhlich bist","registered_at":"2026-06-06T01:16:00Z","spotify_id":"0TIZej5SK0915StJSquIWp","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 0x131479503f4e84910df900ff128b300b73547c0296ca0d1f5185b32c9a157cc8. 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/0TIZej5SK0915StJSquIWp.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/0TIZej5SK0915StJSquIWp.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0x131479503f4e84910df900ff128b300b73547c0296ca0d1f5185b32c9a157cc8","isrc":"USLZJ1788649","name":"Wenn du fröhlich bist","registered_at":"2026-06-06T01:16:00Z","spotify_id":"0TIZej5SK0915StJSquIWp","type":"track"}
album: Kinderlieder Deutsch
  type: MusicAlbum
  date published: 2021-04-19
  track: Bingo der Hund
    type: MusicRecording
    duration: PT2M43S
    duration ms: 163687
    explicit: false
    by artist: HeyKids Kinderlieder
    in album: Kinderlieder Deutsch
      type: MusicAlbum
      date published: 2021-04-19
    isrc code: USLZJ2143397
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSRecordURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: Aufwachlied
  track: Fünf kleine Affen
album: Kindermusik auf Deutsch
album: Neue Kinderlieder
album: Kinderlieder
album: Frühlingshafte Kinderlieder
album: Kinderreime für Babys
track: Wenn du fröhlich bist
track: Bingo der Hund
track: Aufwachlied
track: Kopf Schulter Knie und Fuß
track: Fünf kleine Affen
track: Tiergeräusche
track: Die Ameisen marschieren
track: Der blaue Traktor
track: Die Finger Familie
track: Fuchs du hast die Gans gestohlen
track: Das Krokodil
track: Der Kartoffelmann
track: Ruder, Ruder dein Boot - Sanft die Strömung Hinab

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-06T01:13:07+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x1192df5cc05e8e14a489e7e9a9b067535bb44df8e398d3d1c0384798ffe9f117

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/3PoNuK0WsIf43LpImvp4fT.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3PoNuK0WsIf43LpImvp4fT

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x1192df5cc05e8e14a489e7e9a9b067535bb44df8e398d3d1c0384798ffe9f117","isrc":"USLZJ2143397","name":"Bingo der Hund","registered_at":"2026-06-06T01:13:07Z","spotify_id":"3PoNuK0WsIf43LpImvp4fT","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 0x1192df5cc05e8e14a489e7e9a9b067535bb44df8e398d3d1c0384798ffe9f117. 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/3PoNuK0WsIf43LpImvp4fT.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/3PoNuK0WsIf43LpImvp4fT.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x1192df5cc05e8e14a489e7e9a9b067535bb44df8e398d3d1c0384798ffe9f117","isrc":"USLZJ2143397","name":"Bingo der Hund","registered_at":"2026-06-06T01:13:07Z","spotify_id":"3PoNuK0WsIf43LpImvp4fT","type":"track"}

Aufwachlied
type: MusicRecording
duration: PT2M20S
duration ms: 140374
explicit: false
by artist: HeyKids Kinderlieder
in album: Kinderlieder Deutsch
  type: MusicAlbum
  date published: 2021-04-19
isrc code: USLZJ2143407
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T01:15:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2d16f69a188b8951af3ffa296b97f03233aade629a437f450fa439ead11cd3c
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/2HqeJ3vwkT6tNb8d9PPJKE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2HqeJ3vwkT6tNb8d9PPJKE
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 0xb2d16f69a188b8951af3ffa296b97f03233aade629a437f450fa439ead11cd3c. 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/2HqeJ3vwkT6tNb8d9PPJKE.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/2HqeJ3vwkT6tNb8d9PPJKE.
  date published: 2026-06-13T15:41:10Z

Fünf kleine Affen
type: MusicRecording
duration: PT2M4S
duration ms: 124125
explicit: false
by artist: HeyKids Kinderlieder
in album: Kinderlieder Deutsch
  type: MusicAlbum
  date published: 2021-04-19
isrc code: USLZJ2143411
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T03:40:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbcfedc28a85c7f94209e3b07b91782f5df3e8eee390e81072c10558d6f37c0b0
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/2VdUHArGbr0DcSepcApIae.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2VdUHArGbr0DcSepcApIae
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbcfedc28a85c7f94209e3b07b91782f5df3e8eee390e81072c10558d6f37c0b0","isrc":"USLZJ2143411","name":"Fünf kleine Affen","registered_at":"2026-06-09T03:40:34Z","spotify_id":"2VdUHArGbr0DcSepcApIae","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 0xbcfedc28a85c7f94209e3b07b91782f5df3e8eee390e81072c10558d6f37c0b0. 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/2VdUHArGbr0DcSepcApIae.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/2VdUHArGbr0DcSepcApIae.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xbcfedc28a85c7f94209e3b07b91782f5df3e8eee390e81072c10558d6f37c0b0","isrc":"USLZJ2143411","name":"Fünf kleine Affen","registered_at":"2026-06-09T03:40:34Z","spotify_id":"2VdUHArGbr0DcSepcApIae","type":"track"}

Kindermusik auf Deutsch
type: MusicAlbum
date published: 2022-04-21
track: Das Krokodil
  type: MusicRecording
  duration: PT1M49S
  duration ms: 109124
  explicit: false
  by artist: HeyKids Kinderlieder
  in album: Kindermusik auf Deutsch
    type: MusicAlbum
    date published: 2022-04-21
  isrc code: QZHN62273417
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T00:08:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc4d2b00e5b4dddfdcacb4999c0e610cdf5d38c88c295866a62d88510a5c8813e
  additional property: OTSHash
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0Pbl6WFhBVLLYj2HBAg4zb.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Pbl6WFhBVLLYj2HBAg4zb
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xc4d2b00e5b4dddfdcacb4999c0e610cdf5d38c88c295866a62d88510a5c8813e","isrc":"QZHN62273417","name":"Das Krokodil","registered_at":"2026-06-10T00:08:17Z","spotify_id":"0Pbl6WFhBVLLYj2HBAg4zb","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 0xc4d2b00e5b4dddfdcacb4999c0e610cdf5d38c88c295866a62d88510a5c8813e. 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/0Pbl6WFhBVLLYj2HBAg4zb.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/0Pbl6WFhBVLLYj2HBAg4zb.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xc4d2b00e5b4dddfdcacb4999c0e610cdf5d38c88c295866a62d88510a5c8813e","isrc":"QZHN62273417","name":"Das Krokodil","registered_at":"2026-06-10T00:08:17Z","spotify_id":"0Pbl6WFhBVLLYj2HBAg4zb","type":"track"}
track: Die Ameisen marschieren
  type: MusicRecording
  duration: PT2M10S
  duration ms: 130582
  explicit: false
  by artist: HeyKids Kinderlieder
  in album: Kindermusik auf Deutsch
    type: MusicAlbum
    date published: 2022-04-21
  isrc code: QZHN62273426
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T17:12:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x22b0bf38cb8321e4195f36f6deb245fd2f44d6b2b1fe50c58a4d3abca96c8dc0
  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/2jRVTnIaZ5zXZX3b2kb8jE.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2jRVTnIaZ5zXZX3b2kb8jE
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x22b0bf38cb8321e4195f36f6deb245fd2f44d6b2b1fe50c58a4d3abca96c8dc0","isrc":"QZHN62273426","name":"Die Ameisen marschieren","registered_at":"2026-06-08T17:12:52Z","spotify_id":"2jRVTnIaZ5zXZX3b2kb8jE","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 0x22b0bf38cb8321e4195f36f6deb245fd2f44d6b2b1fe50c58a4d3abca96c8dc0. 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/2jRVTnIaZ5zXZX3b2kb8jE.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/2jRVTnIaZ5zXZX3b2kb8jE.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x22b0bf38cb8321e4195f36f6deb245fd2f44d6b2b1fe50c58a4d3abca96c8dc0","isrc":"QZHN62273426","name":"Die Ameisen marschieren","registered_at":"2026-06-08T17:12:52Z","spotify_id":"2jRVTnIaZ5zXZX3b2kb8jE","type":"track"}

Neue Kinderlieder
type: MusicAlbum
date published: 2021-02-14
track: Die Finger Familie
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137526
  explicit: false
  by artist: HeyKids Kinderlieder
  in album: Neue Kinderlieder
    type: MusicAlbum
    date published: 2021-02-14
  isrc code: QZES92120337
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T13:29:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe70fb602acb9ed285a8611a6eb792b16c866fe013c4315a534f45ef7a5a4bafa
  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/7L810JfMgjR63sK9h91ISW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7L810JfMgjR63sK9h91ISW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe70fb602acb9ed285a8611a6eb792b16c866fe013c4315a534f45ef7a5a4bafa","isrc":"QZES92120337","name":"Die Finger Familie","registered_at":"2026-06-10T13:29:50Z","spotify_id":"7L810JfMgjR63sK9h91ISW","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 0xe70fb602acb9ed285a8611a6eb792b16c866fe013c4315a534f45ef7a5a4bafa. 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/7L810JfMgjR63sK9h91ISW.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/7L810JfMgjR63sK9h91ISW.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0xe70fb602acb9ed285a8611a6eb792b16c866fe013c4315a534f45ef7a5a4bafa","isrc":"QZES92120337","name":"Die Finger Familie","registered_at":"2026-06-10T13:29:50Z","spotify_id":"7L810JfMgjR63sK9h91ISW","type":"track"}
track: Der Kartoffelmann
  type: MusicRecording
  duration: PT1M54S
  duration ms: 114000
  explicit: false
  by artist: HeyKids Kinderlieder
  in album: Neue Kinderlieder
    type: MusicAlbum
    date published: 2021-02-14
  isrc code: QZES92120349
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T13:24:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x11040a6f2f81f8f6a90a658d746803df78c004da80c37260171f0bf0efadbf45
  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/7gWAkXdGnXN5xoXxUVxfhY.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7gWAkXdGnXN5xoXxUVxfhY
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x11040a6f2f81f8f6a90a658d746803df78c004da80c37260171f0bf0efadbf45","isrc":"QZES92120349","name":"Der Kartoffelmann","registered_at":"2026-06-10T13:24:45Z","spotify_id":"7gWAkXdGnXN5xoXxUVxfhY","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 0x11040a6f2f81f8f6a90a658d746803df78c004da80c37260171f0bf0efadbf45. 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/7gWAkXdGnXN5xoXxUVxfhY.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/7gWAkXdGnXN5xoXxUVxfhY.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x11040a6f2f81f8f6a90a658d746803df78c004da80c37260171f0bf0efadbf45","isrc":"QZES92120349","name":"Der Kartoffelmann","registered_at":"2026-06-10T13:24:45Z","spotify_id":"7gWAkXdGnXN5xoXxUVxfhY","type":"track"}

Kinderlieder
type: MusicAlbum
date published: 2021-07-04
track: Der blaue Traktor
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159500
  explicit: false
  by artist: HeyKids Kinderlieder
  in album: Kinderlieder
    type: MusicAlbum
    date published: 2021-07-04
  isrc code: USLZJ2130744
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T14:07:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa8c49f8a8ee7df10f016ef79de1727b4e555bcc2b874ccbf7543b2684d4f8953
  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/2d7p0wfXYThXY22oCkD1G7.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2d7p0wfXYThXY22oCkD1G7
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa8c49f8a8ee7df10f016ef79de1727b4e555bcc2b874ccbf7543b2684d4f8953","isrc":"USLZJ2130744","name":"Der blaue Traktor","registered_at":"2026-06-09T14:07:00Z","spotify_id":"2d7p0wfXYThXY22oCkD1G7","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 0xa8c49f8a8ee7df10f016ef79de1727b4e555bcc2b874ccbf7543b2684d4f8953. 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/2d7p0wfXYThXY22oCkD1G7.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/2d7p0wfXYThXY22oCkD1G7.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0xa8c49f8a8ee7df10f016ef79de1727b4e555bcc2b874ccbf7543b2684d4f8953","isrc":"USLZJ2130744","name":"Der blaue Traktor","registered_at":"2026-06-09T14:07:00Z","spotify_id":"2d7p0wfXYThXY22oCkD1G7","type":"track"}

Frühlingshafte Kinderlieder
type: MusicAlbum
date published: 2024-04-19
track: Tiergeräusche
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165999
  explicit: false
  by artist: HeyKids Kinderlieder
  in album: Frühlingshafte Kinderlieder
    type: MusicAlbum
    date published: 2024-04-19
  isrc code: FRX282437634
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T17:14:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x39570231bc29a406ea264292fa413be6639b96fd859a7bc56b07dea120635f3e
  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/5E6rq1uo0aFPpgpoJEu62I.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5E6rq1uo0aFPpgpoJEu62I
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x39570231bc29a406ea264292fa413be6639b96fd859a7bc56b07dea120635f3e","isrc":"FRX282437634","name":"Tiergeräusche","registered_at":"2026-06-08T17:14:45Z","spotify_id":"5E6rq1uo0aFPpgpoJEu62I","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 0x39570231bc29a406ea264292fa413be6639b96fd859a7bc56b07dea120635f3e. 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/5E6rq1uo0aFPpgpoJEu62I.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/5E6rq1uo0aFPpgpoJEu62I.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x39570231bc29a406ea264292fa413be6639b96fd859a7bc56b07dea120635f3e","isrc":"FRX282437634","name":"Tiergeräusche","registered_at":"2026-06-08T17:14:45Z","spotify_id":"5E6rq1uo0aFPpgpoJEu62I","type":"track"}

Kinderreime für Babys
type: MusicAlbum
date published: 2025-04-04
track: Ruder, Ruder dein Boot - Sanft die Strömung Hinab
  type: MusicRecording
  duration: PT2M4S
  duration ms: 124703
  explicit: false
  by artist: HeyKids Kinderlieder
  in album: Kinderreime für Babys
    type: MusicAlbum
    date published: 2025-04-04
  isrc code: FR2X42539572

Wenn du fröhlich bist
type: MusicRecording
duration: PT1M17S
duration ms: 77703
explicit: false
by artist: HeyKids Kinderlieder
in album: Kinderlieder Deutsch
  type: MusicAlbum
  date published: 2017-10-07
isrc code: USLZJ1788649
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T01:16:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x131479503f4e84910df900ff128b300b73547c0296ca0d1f5185b32c9a157cc8
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/0TIZej5SK0915StJSquIWp.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0TIZej5SK0915StJSquIWp
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x131479503f4e84910df900ff128b300b73547c0296ca0d1f5185b32c9a157cc8","isrc":"USLZJ1788649","name":"Wenn du fröhlich bist","registered_at":"2026-06-06T01:16:00Z","spotify_id":"0TIZej5SK0915StJSquIWp","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 0x131479503f4e84910df900ff128b300b73547c0296ca0d1f5185b32c9a157cc8. 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/0TIZej5SK0915StJSquIWp.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/0TIZej5SK0915StJSquIWp.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x131479503f4e84910df900ff128b300b73547c0296ca0d1f5185b32c9a157cc8","isrc":"USLZJ1788649","name":"Wenn du fröhlich bist","registered_at":"2026-06-06T01:16:00Z","spotify_id":"0TIZej5SK0915StJSquIWp","type":"track"}

Bingo der Hund
type: MusicRecording
duration: PT2M43S
duration ms: 163687
explicit: false
by artist: HeyKids Kinderlieder
in album: Kinderlieder Deutsch
  type: MusicAlbum
  date published: 2021-04-19
isrc code: USLZJ2143397
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T01:13:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1192df5cc05e8e14a489e7e9a9b067535bb44df8e398d3d1c0384798ffe9f117
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/3PoNuK0WsIf43LpImvp4fT.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3PoNuK0WsIf43LpImvp4fT
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1192df5cc05e8e14a489e7e9a9b067535bb44df8e398d3d1c0384798ffe9f117","isrc":"USLZJ2143397","name":"Bingo der Hund","registered_at":"2026-06-06T01:13:07Z","spotify_id":"3PoNuK0WsIf43LpImvp4fT","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 0x1192df5cc05e8e14a489e7e9a9b067535bb44df8e398d3d1c0384798ffe9f117. 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/3PoNuK0WsIf43LpImvp4fT.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/3PoNuK0WsIf43LpImvp4fT.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x1192df5cc05e8e14a489e7e9a9b067535bb44df8e398d3d1c0384798ffe9f117","isrc":"USLZJ2143397","name":"Bingo der Hund","registered_at":"2026-06-06T01:13:07Z","spotify_id":"3PoNuK0WsIf43LpImvp4fT","type":"track"}

Aufwachlied
type: MusicRecording
duration: PT2M20S
duration ms: 140374
explicit: false
by artist: HeyKids Kinderlieder
in album: Kinderlieder Deutsch
  type: MusicAlbum
  date published: 2021-04-19
isrc code: USLZJ2143407
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T01:15:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2d16f69a188b8951af3ffa296b97f03233aade629a437f450fa439ead11cd3c
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/2HqeJ3vwkT6tNb8d9PPJKE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2HqeJ3vwkT6tNb8d9PPJKE
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 0xb2d16f69a188b8951af3ffa296b97f03233aade629a437f450fa439ead11cd3c. 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/2HqeJ3vwkT6tNb8d9PPJKE.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/2HqeJ3vwkT6tNb8d9PPJKE.
  date published: 2026-06-13T15:41:10Z

Kopf Schulter Knie und Fuß
type: MusicRecording
duration: PT1M28S
duration ms: 88000
explicit: false
by artist: HeyKids Kinderlieder
in album: Kinderlieder Deutsch
  type: MusicAlbum
  date published: 2017-10-07
isrc code: USLZJ1788648
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T15:07:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xff4c93b9041232f86e6076010c89d84ca5821b218ffe0c546c314b300819df84
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/6ymCWq5biWn9SOHVRjaQzd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ymCWq5biWn9SOHVRjaQzd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xff4c93b9041232f86e6076010c89d84ca5821b218ffe0c546c314b300819df84","isrc":"USLZJ1788648","name":"Kopf Schulter Knie und Fuß","registered_at":"2026-06-06T15:07:02Z","spotify_id":"6ymCWq5biWn9SOHVRjaQzd","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 0xff4c93b9041232f86e6076010c89d84ca5821b218ffe0c546c314b300819df84. 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/6ymCWq5biWn9SOHVRjaQzd.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/6ymCWq5biWn9SOHVRjaQzd.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xff4c93b9041232f86e6076010c89d84ca5821b218ffe0c546c314b300819df84","isrc":"USLZJ1788648","name":"Kopf Schulter Knie und Fuß","registered_at":"2026-06-06T15:07:02Z","spotify_id":"6ymCWq5biWn9SOHVRjaQzd","type":"track"}

Fünf kleine Affen
type: MusicRecording
duration: PT2M4S
duration ms: 124125
explicit: false
by artist: HeyKids Kinderlieder
in album: Kinderlieder Deutsch
  type: MusicAlbum
  date published: 2021-04-19
isrc code: USLZJ2143411
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T03:40:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbcfedc28a85c7f94209e3b07b91782f5df3e8eee390e81072c10558d6f37c0b0
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/2VdUHArGbr0DcSepcApIae.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2VdUHArGbr0DcSepcApIae
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbcfedc28a85c7f94209e3b07b91782f5df3e8eee390e81072c10558d6f37c0b0","isrc":"USLZJ2143411","name":"Fünf kleine Affen","registered_at":"2026-06-09T03:40:34Z","spotify_id":"2VdUHArGbr0DcSepcApIae","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 0xbcfedc28a85c7f94209e3b07b91782f5df3e8eee390e81072c10558d6f37c0b0. 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/2VdUHArGbr0DcSepcApIae.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/2VdUHArGbr0DcSepcApIae.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xbcfedc28a85c7f94209e3b07b91782f5df3e8eee390e81072c10558d6f37c0b0","isrc":"USLZJ2143411","name":"Fünf kleine Affen","registered_at":"2026-06-09T03:40:34Z","spotify_id":"2VdUHArGbr0DcSepcApIae","type":"track"}

Tiergeräusche
type: MusicRecording
duration: PT2M45S
duration ms: 165999
explicit: false
by artist: HeyKids Kinderlieder
in album: Frühlingshafte Kinderlieder
  type: MusicAlbum
  date published: 2024-04-19
isrc code: FRX282437634
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T17:14:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x39570231bc29a406ea264292fa413be6639b96fd859a7bc56b07dea120635f3e
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/5E6rq1uo0aFPpgpoJEu62I.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5E6rq1uo0aFPpgpoJEu62I
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x39570231bc29a406ea264292fa413be6639b96fd859a7bc56b07dea120635f3e","isrc":"FRX282437634","name":"Tiergeräusche","registered_at":"2026-06-08T17:14:45Z","spotify_id":"5E6rq1uo0aFPpgpoJEu62I","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 0x39570231bc29a406ea264292fa413be6639b96fd859a7bc56b07dea120635f3e. 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/5E6rq1uo0aFPpgpoJEu62I.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/5E6rq1uo0aFPpgpoJEu62I.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x39570231bc29a406ea264292fa413be6639b96fd859a7bc56b07dea120635f3e","isrc":"FRX282437634","name":"Tiergeräusche","registered_at":"2026-06-08T17:14:45Z","spotify_id":"5E6rq1uo0aFPpgpoJEu62I","type":"track"}

Die Ameisen marschieren
type: MusicRecording
duration: PT2M10S
duration ms: 130582
explicit: false
by artist: HeyKids Kinderlieder
in album: Kindermusik auf Deutsch
  type: MusicAlbum
  date published: 2022-04-21
isrc code: QZHN62273426
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T17:12:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x22b0bf38cb8321e4195f36f6deb245fd2f44d6b2b1fe50c58a4d3abca96c8dc0
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/2jRVTnIaZ5zXZX3b2kb8jE.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2jRVTnIaZ5zXZX3b2kb8jE
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x22b0bf38cb8321e4195f36f6deb245fd2f44d6b2b1fe50c58a4d3abca96c8dc0","isrc":"QZHN62273426","name":"Die Ameisen marschieren","registered_at":"2026-06-08T17:12:52Z","spotify_id":"2jRVTnIaZ5zXZX3b2kb8jE","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 0x22b0bf38cb8321e4195f36f6deb245fd2f44d6b2b1fe50c58a4d3abca96c8dc0. 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/2jRVTnIaZ5zXZX3b2kb8jE.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/2jRVTnIaZ5zXZX3b2kb8jE.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x22b0bf38cb8321e4195f36f6deb245fd2f44d6b2b1fe50c58a4d3abca96c8dc0","isrc":"QZHN62273426","name":"Die Ameisen marschieren","registered_at":"2026-06-08T17:12:52Z","spotify_id":"2jRVTnIaZ5zXZX3b2kb8jE","type":"track"}

Der blaue Traktor
type: MusicRecording
duration: PT2M39S
duration ms: 159500
explicit: false
by artist: HeyKids Kinderlieder
in album: Kinderlieder
  type: MusicAlbum
  date published: 2021-07-04
isrc code: USLZJ2130744
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T14:07:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa8c49f8a8ee7df10f016ef79de1727b4e555bcc2b874ccbf7543b2684d4f8953
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/2d7p0wfXYThXY22oCkD1G7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2d7p0wfXYThXY22oCkD1G7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa8c49f8a8ee7df10f016ef79de1727b4e555bcc2b874ccbf7543b2684d4f8953","isrc":"USLZJ2130744","name":"Der blaue Traktor","registered_at":"2026-06-09T14:07:00Z","spotify_id":"2d7p0wfXYThXY22oCkD1G7","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 0xa8c49f8a8ee7df10f016ef79de1727b4e555bcc2b874ccbf7543b2684d4f8953. 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/2d7p0wfXYThXY22oCkD1G7.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/2d7p0wfXYThXY22oCkD1G7.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xa8c49f8a8ee7df10f016ef79de1727b4e555bcc2b874ccbf7543b2684d4f8953","isrc":"USLZJ2130744","name":"Der blaue Traktor","registered_at":"2026-06-09T14:07:00Z","spotify_id":"2d7p0wfXYThXY22oCkD1G7","type":"track"}

Die Finger Familie
type: MusicRecording
duration: PT2M17S
duration ms: 137526
explicit: false
by artist: HeyKids Kinderlieder
in album: Neue Kinderlieder
  type: MusicAlbum
  date published: 2021-02-14
isrc code: QZES92120337
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T13:29:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe70fb602acb9ed285a8611a6eb792b16c866fe013c4315a534f45ef7a5a4bafa
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/7L810JfMgjR63sK9h91ISW.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7L810JfMgjR63sK9h91ISW
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe70fb602acb9ed285a8611a6eb792b16c866fe013c4315a534f45ef7a5a4bafa","isrc":"QZES92120337","name":"Die Finger Familie","registered_at":"2026-06-10T13:29:50Z","spotify_id":"7L810JfMgjR63sK9h91ISW","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 0xe70fb602acb9ed285a8611a6eb792b16c866fe013c4315a534f45ef7a5a4bafa. 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/7L810JfMgjR63sK9h91ISW.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/7L810JfMgjR63sK9h91ISW.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xe70fb602acb9ed285a8611a6eb792b16c866fe013c4315a534f45ef7a5a4bafa","isrc":"QZES92120337","name":"Die Finger Familie","registered_at":"2026-06-10T13:29:50Z","spotify_id":"7L810JfMgjR63sK9h91ISW","type":"track"}

Fuchs du hast die Gans gestohlen
type: MusicRecording
duration: PT1M35S
duration ms: 95778
explicit: false
by artist: HeyKids Kinderlieder
in album: Kinderlieder Deutsch
  type: MusicAlbum
  date published: 2017-10-07
isrc code: USLZJ1788635
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T14:02:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 0xeb6da8f7c5726bc058bc287b2396783f718caab4de6ca55c23f11d5cedf9adfa. 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/6HoOTb8rumU3LCgY196MPr.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/6HoOTb8rumU3LCgY196MPr.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xeb6da8f7c5726bc058bc287b2396783f718caab4de6ca55c23f11d5cedf9adfa","isrc":"USLZJ1788635","name":"Fuchs du hast die Gans gestohlen","registered_at":"2026-06-09T14:02:20Z","spotify_id":"6HoOTb8rumU3LCgY196MPr","type":"track"}

Das Krokodil
type: MusicRecording
duration: PT1M49S
duration ms: 109124
explicit: false
by artist: HeyKids Kinderlieder
in album: Kindermusik auf Deutsch
  type: MusicAlbum
  date published: 2022-04-21
isrc code: QZHN62273417
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 0xc4d2b00e5b4dddfdcacb4999c0e610cdf5d38c88c295866a62d88510a5c8813e. 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/0Pbl6WFhBVLLYj2HBAg4zb.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/0Pbl6WFhBVLLYj2HBAg4zb.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xc4d2b00e5b4dddfdcacb4999c0e610cdf5d38c88c295866a62d88510a5c8813e","isrc":"QZHN62273417","name":"Das Krokodil","registered_at":"2026-06-10T00:08:17Z","spotify_id":"0Pbl6WFhBVLLYj2HBAg4zb","type":"track"}

Der Kartoffelmann
type: MusicRecording
duration: PT1M54S
duration ms: 114000
explicit: false
by artist: HeyKids Kinderlieder
in album: Neue Kinderlieder
  type: MusicAlbum
  date published: 2021-02-14
isrc code: QZES92120349
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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 0x11040a6f2f81f8f6a90a658d746803df78c004da80c37260171f0bf0efadbf45. 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/7gWAkXdGnXN5xoXxUVxfhY.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/7gWAkXdGnXN5xoXxUVxfhY.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x11040a6f2f81f8f6a90a658d746803df78c004da80c37260171f0bf0efadbf45","isrc":"QZES92120349","name":"Der Kartoffelmann","registered_at":"2026-06-10T13:24:45Z","spotify_id":"7gWAkXdGnXN5xoXxUVxfhY","type":"track"}

Ruder, Ruder dein Boot - Sanft die Strömung Hinab
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duration: PT2M4S
duration ms: 124703
explicit: false
by artist: HeyKids Kinderlieder
in album: Kinderreime für Babys
  type: MusicAlbum
  date published: 2025-04-04
isrc code: FR2X42539572