Sergiusz
type: MusicGroup
popularity: 60
followers: 8950
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc007ef5048747ecb9cbdd082d941e4f138d2718e5bcb864dfe1036c1e32cba9e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9d31136b-25c3-44ad-8bf3-6df6c35cda94.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9d31136b-25c3-44ad-8bf3-6df6c35cda94.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9d31136b-25c3-44ad-8bf3-6df6c35cda94
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → 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 0xc007ef5048747ecb9cbdd082d941e4f138d2718e5bcb864dfe1036c1e32cba9e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9d31136b-25c3-44ad-8bf3-6df6c35cda94.json and https://artists.proofprofile.net/proofs/artist/9d31136b-25c3-44ad-8bf3-6df6c35cda94.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
track: Głębszy oddech
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187624
  explicit: false
  by artist: Paluch
  by artist: Sergiusz
  by artist: 2K
  in album: Kompot
    type: MusicAlbum
    date published: 2022-04-01
  isrc code: PLT612250010
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T18:41:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0552765affeacd5da82237025861babbec50ccec92ea09bdcc0a66f6af5d1570
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956889
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3Nqe2JEooUCBr46MyJtoTU.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3Nqe2JEooUCBr46MyJtoTU
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0552765affeacd5da82237025861babbec50ccec92ea09bdcc0a66f6af5d1570","isrc":"PLT612250010","name":"Głębszy oddech","registered_at":"2026-06-20T18:41:01Z","spotify_id":"3Nqe2JEooUCBr46MyJtoTU","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 0x0552765affeacd5da82237025861babbec50ccec92ea09bdcc0a66f6af5d1570. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3Nqe2JEooUCBr46MyJtoTU.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/3Nqe2JEooUCBr46MyJtoTU.
    date published: 2026-07-06T06:56:49Z
    text: {"copyright_id":"0x0552765affeacd5da82237025861babbec50ccec92ea09bdcc0a66f6af5d1570","isrc":"PLT612250010","name":"Głębszy oddech","registered_at":"2026-06-20T18:41:01Z","spotify_id":"3Nqe2JEooUCBr46MyJtoTU","type":"track"}
track: KRUK (LEGENDARY SHIT)
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236241
  explicit: false
  by artist: Asster
  by artist: Sergiusz
  by artist: 2K
  in album: ALL DAY FRESH
    type: MusicAlbum
    date published: 2024-02-02
  isrc code: PLI360992690
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T05:41:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x14cdf2e6f0416a5556498d95ef9ba9b993826111f5200dcbc9d2de6e6208adf0
  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/3U7nBs4qZwIzWWSG5ThAKU.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3U7nBs4qZwIzWWSG5ThAKU
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x14cdf2e6f0416a5556498d95ef9ba9b993826111f5200dcbc9d2de6e6208adf0","isrc":"PLI360992690","name":"KRUK (LEGENDARY SHIT)","registered_at":"2026-06-06T05:41:01Z","spotify_id":"3U7nBs4qZwIzWWSG5ThAKU","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 0x14cdf2e6f0416a5556498d95ef9ba9b993826111f5200dcbc9d2de6e6208adf0. 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/3U7nBs4qZwIzWWSG5ThAKU.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/3U7nBs4qZwIzWWSG5ThAKU.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x14cdf2e6f0416a5556498d95ef9ba9b993826111f5200dcbc9d2de6e6208adf0","isrc":"PLI360992690","name":"KRUK (LEGENDARY SHIT)","registered_at":"2026-06-06T05:41:01Z","spotify_id":"3U7nBs4qZwIzWWSG5ThAKU","type":"track"}
track: HOTELE
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155172
  explicit: false
  by artist: Asster
  by artist: Sergiusz
  by artist: 2K
  in album: ALL DAY FRESH
    type: MusicAlbum
    date published: 2024-02-02
  isrc code: PLI360992760
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T13:44:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4dd7e70def2e3b7a6f1aca37538246055d1ce1aafe3ee9d1a6c96f473b3880b9
  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/4yln1zKV25IpDYBXH6AFIZ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4yln1zKV25IpDYBXH6AFIZ
  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 0x4dd7e70def2e3b7a6f1aca37538246055d1ce1aafe3ee9d1a6c96f473b3880b9. 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/4yln1zKV25IpDYBXH6AFIZ.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/4yln1zKV25IpDYBXH6AFIZ.
    date published: 2026-06-13T15:41:10Z
track: MOWA WĘŻY
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136119
  explicit: false
  by artist: Asster
  by artist: Sergiusz
  in album: MOWA WĘŻY
    type: MusicAlbum
    date published: 2023-03-24
  isrc code: PLI360548100
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T02:22:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa4b2b5031e1eaca92e42b6588b03898765948785bdfef9b5289372d27207cc30
  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: Pośród Hien
track: Online
track: Disney
track: Patocelebryta
track: Paw
track: Garou
track: Louboutin
track: Moja gwardia
track: Legenda
track: Na blok
track: Myślę o tym
track: Czarna chmura
track: Nigdy ponad stan
track: Nie pytaj mnie o nic
track: Arrivederci

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953536

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953536

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/22ZWebygFfsjjZnZZBNXMC.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/22ZWebygFfsjjZnZZBNXMC

OTSTimestamp
type: PropertyValue
value: 2026-06-13T17:25:41Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xa4b2b5031e1eaca92e42b6588b03898765948785bdfef9b5289372d27207cc30","isrc":"PLI360548100","name":"MOWA WĘŻY","registered_at":"2026-06-07T02:22:41Z","spotify_id":"22ZWebygFfsjjZnZZBNXMC","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 0xa4b2b5031e1eaca92e42b6588b03898765948785bdfef9b5289372d27207cc30. 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/22ZWebygFfsjjZnZZBNXMC.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/22ZWebygFfsjjZnZZBNXMC.
date published: 2026-06-13T17:25:41Z
text: {"copyright_id":"0xa4b2b5031e1eaca92e42b6588b03898765948785bdfef9b5289372d27207cc30","isrc":"PLI360548100","name":"MOWA WĘŻY","registered_at":"2026-06-07T02:22:41Z","spotify_id":"22ZWebygFfsjjZnZZBNXMC","type":"track"}

Pośród Hien
type: MusicRecording
duration: PT3M25S
duration ms: 205714
explicit: false
by artist: Paluch
by artist: Słoń
by artist: Sergiusz
in album: Pośród Hien
  type: MusicAlbum
  date published: 2023-03-17
isrc code: PLT612316002
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T13:29:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0048fa21606e6373954d37d7e6edee16104f20af37e6bc0f56af4938acbbd0f2
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/3dBuBctDLwM0UXLhDDNoL5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3dBuBctDLwM0UXLhDDNoL5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0048fa21606e6373954d37d7e6edee16104f20af37e6bc0f56af4938acbbd0f2","isrc":"PLT612316002","name":"Pośród Hien","registered_at":"2026-06-05T13:29:25Z","spotify_id":"3dBuBctDLwM0UXLhDDNoL5","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 0x0048fa21606e6373954d37d7e6edee16104f20af37e6bc0f56af4938acbbd0f2. 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/3dBuBctDLwM0UXLhDDNoL5.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/3dBuBctDLwM0UXLhDDNoL5.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x0048fa21606e6373954d37d7e6edee16104f20af37e6bc0f56af4938acbbd0f2","isrc":"PLT612316002","name":"Pośród Hien","registered_at":"2026-06-05T13:29:25Z","spotify_id":"3dBuBctDLwM0UXLhDDNoL5","type":"track"}

Głębszy oddech
type: MusicRecording
duration: PT3M7S
duration ms: 187624
explicit: false
by artist: Paluch
by artist: Sergiusz
by artist: 2K
in album: Kompot
  type: MusicAlbum
  date published: 2022-04-01
isrc code: PLT612250010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T18:41:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0552765affeacd5da82237025861babbec50ccec92ea09bdcc0a66f6af5d1570
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/2JNH4KOtp2p0MOWsElzeqX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2JNH4KOtp2p0MOWsElzeqX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0552765affeacd5da82237025861babbec50ccec92ea09bdcc0a66f6af5d1570","isrc":"PLT612250010","name":"Głębszy oddech","registered_at":"2026-06-20T18:41:01Z","spotify_id":"2JNH4KOtp2p0MOWsElzeqX","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 0x0552765affeacd5da82237025861babbec50ccec92ea09bdcc0a66f6af5d1570. 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/2JNH4KOtp2p0MOWsElzeqX.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/2JNH4KOtp2p0MOWsElzeqX.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x0552765affeacd5da82237025861babbec50ccec92ea09bdcc0a66f6af5d1570","isrc":"PLT612250010","name":"Głębszy oddech","registered_at":"2026-06-20T18:41:01Z","spotify_id":"2JNH4KOtp2p0MOWsElzeqX","type":"track"}

Online
type: MusicRecording
duration: PT2M40S
duration ms: 160728
explicit: false
by artist: Hodak
by artist: Kukon
by artist: 2K
by artist: Sergiusz
in album: Online
  type: MusicAlbum
  date published: 2022-07-12
isrc code: PLUM72200504
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:32:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x89e03cf52ab74cc885457f7644b951b2c4abf45ca148cb16d5607cf11648c0f8
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/724YuUdRGsBgyrcYLKM42d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/724YuUdRGsBgyrcYLKM42d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0x89e03cf52ab74cc885457f7644b951b2c4abf45ca148cb16d5607cf11648c0f8. 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/724YuUdRGsBgyrcYLKM42d.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/724YuUdRGsBgyrcYLKM42d.
  date published: 2026-06-13T12:47:07Z

Disney
type: MusicRecording
duration: PT3M39S
duration ms: 219268
explicit: false
by artist: Kizo
by artist: Sergiusz
by artist: Leśny
in album: Jeszcze 5 minut
  type: MusicAlbum
  date published: 2021-10-22
isrc code: PL59G2100175
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-01T20:53:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec0dd1ba4cbd3c1a0b5336753077c816d853af4d5caa17e9eb718841537d16ab
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/6F8TSi0CLcpDZN8LM6GQcX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6F8TSi0CLcpDZN8LM6GQcX
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0xec0dd1ba4cbd3c1a0b5336753077c816d853af4d5caa17e9eb718841537d16ab. 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/6F8TSi0CLcpDZN8LM6GQcX.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/6F8TSi0CLcpDZN8LM6GQcX.
  date published: 2026-06-13T12:47:07Z

Patocelebryta
type: MusicRecording
duration: PT3M14S
duration ms: 194430
explicit: false
by artist: Kizo
by artist: Sergiusz
in album: Patocelebryta
  type: MusicAlbum
  date published: 2023-09-14
isrc code: PL59G2300339
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T10:19:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfda7944c01a4b3072b8f5d52e1b79850f1d16e6eae8e3d36e413e4323fff00ab
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/1nRNB6QZ4VqCwVruewnXi3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1nRNB6QZ4VqCwVruewnXi3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0xfda7944c01a4b3072b8f5d52e1b79850f1d16e6eae8e3d36e413e4323fff00ab. 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/1nRNB6QZ4VqCwVruewnXi3.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/1nRNB6QZ4VqCwVruewnXi3.
  date published: 2026-06-13T12:47:07Z

Paw
type: MusicRecording
duration: PT2M43S
duration ms: 163943
explicit: false
by artist: ReTo
by artist: Sergiusz
in album: W samo południe (Deluxe)
  type: MusicAlbum
  date published: 2022-02-10
isrc code: PL59G2100154
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T09:09:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x586abfddd700a5b77dd15c2f6095bef704b39f299a84d9159d2692f33ad3c929
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/1pMQypGaEgBJRVDrtYZWde.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1pMQypGaEgBJRVDrtYZWde
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 0x586abfddd700a5b77dd15c2f6095bef704b39f299a84d9159d2692f33ad3c929. 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/1pMQypGaEgBJRVDrtYZWde.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/1pMQypGaEgBJRVDrtYZWde.
  date published: 2026-06-13T15:41:10Z

Garou
type: MusicRecording
duration: PT3M23S
duration ms: 203661
explicit: false
by artist: ReTo
by artist: Olszakumpel
by artist: ZetHa
by artist: Sergiusz
in album: W samo południe (Deluxe)
  type: MusicAlbum
  date published: 2022-02-10
isrc code: PL59G2100210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:28:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc7529b2208819c9e87ad6b667616fd4616e06f76e6e27b3c3dc21c7fa107b508
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/79acXuJIJ15zh1tT6gk7VQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/79acXuJIJ15zh1tT6gk7VQ
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 0xc7529b2208819c9e87ad6b667616fd4616e06f76e6e27b3c3dc21c7fa107b508. 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/79acXuJIJ15zh1tT6gk7VQ.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/79acXuJIJ15zh1tT6gk7VQ.
  date published: 2026-06-13T15:41:10Z

Louboutin
type: MusicRecording
duration: PT2M57S
duration ms: 177842
explicit: false
by artist: Major SPZ
by artist: Leśny
by artist: Sergiusz
in album: Podium
  type: MusicAlbum
  date published: 2024-03-14
isrc code: DGA0Q2398805
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T00:58:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe9dbbf22e2c31885e39664ce12a41c8b2a8804bd4a92614a641bbce7b24d6dbd
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/2lnqHjjXhZiLHt3jqikbSw.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2lnqHjjXhZiLHt3jqikbSw
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 0xe9dbbf22e2c31885e39664ce12a41c8b2a8804bd4a92614a641bbce7b24d6dbd. 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/2lnqHjjXhZiLHt3jqikbSw.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/2lnqHjjXhZiLHt3jqikbSw.
  date published: 2026-07-02T03:30:09Z

Moja gwardia
type: MusicRecording
duration: PT3M26S
duration ms: 206706
explicit: false
by artist: KęKę
by artist: Sergiusz
in album: SIARA
  type: MusicAlbum
  date published: 2021-04-23
isrc code: PLS412100001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T06:57:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf85e7951e311e002f661751f07c0d993f22ada83ffe2492ac7e22ae9f1804ed4
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/6M2zCg4wNRjK051hqYoWSC.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6M2zCg4wNRjK051hqYoWSC
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf85e7951e311e002f661751f07c0d993f22ada83ffe2492ac7e22ae9f1804ed4","isrc":"PLS412100001","name":"Moja gwardia","registered_at":"2026-06-05T06:57:10Z","spotify_id":"6M2zCg4wNRjK051hqYoWSC","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 0xf85e7951e311e002f661751f07c0d993f22ada83ffe2492ac7e22ae9f1804ed4. 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/6M2zCg4wNRjK051hqYoWSC.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/6M2zCg4wNRjK051hqYoWSC.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xf85e7951e311e002f661751f07c0d993f22ada83ffe2492ac7e22ae9f1804ed4","isrc":"PLS412100001","name":"Moja gwardia","registered_at":"2026-06-05T06:57:10Z","spotify_id":"6M2zCg4wNRjK051hqYoWSC","type":"track"}

Legenda
type: MusicRecording
duration: PT3M4S
duration ms: 184293
explicit: false
by artist: KęKę
by artist: Sergiusz
in album: SIARA
  type: MusicAlbum
  date published: 2021-04-23
isrc code: PLS412100009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T04:10:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa0902cb9af89a98f6507726e213e62de091f548ab001d858daca8a5b393705da
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/01LqoYTPYFNLvUQ11GHRW7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/01LqoYTPYFNLvUQ11GHRW7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0xa0902cb9af89a98f6507726e213e62de091f548ab001d858daca8a5b393705da. 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/01LqoYTPYFNLvUQ11GHRW7.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/01LqoYTPYFNLvUQ11GHRW7.
  date published: 2026-06-13T12:47:07Z

Na blok
type: MusicRecording
duration: PT3M6S
duration ms: 186186
explicit: false
by artist: KęKę
by artist: Sergiusz
by artist: Grizzlee
in album: Mr KęKę
  type: MusicAlbum
  date published: 2019-09-13
isrc code: PLS411900013
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T21:27:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x719b63713ae5baf6a2afe5638636c44c85eb7bee38199e08d6c8c4fa01956a5f
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/0nfcSw4vakafADf5cUEvjb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0nfcSw4vakafADf5cUEvjb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x719b63713ae5baf6a2afe5638636c44c85eb7bee38199e08d6c8c4fa01956a5f","isrc":"PLS411900013","name":"Na blok","registered_at":"2026-06-07T21:27:11Z","spotify_id":"0nfcSw4vakafADf5cUEvjb","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 0x719b63713ae5baf6a2afe5638636c44c85eb7bee38199e08d6c8c4fa01956a5f. 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/0nfcSw4vakafADf5cUEvjb.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/0nfcSw4vakafADf5cUEvjb.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x719b63713ae5baf6a2afe5638636c44c85eb7bee38199e08d6c8c4fa01956a5f","isrc":"PLS411900013","name":"Na blok","registered_at":"2026-06-07T21:27:11Z","spotify_id":"0nfcSw4vakafADf5cUEvjb","type":"track"}

Myślę o tym
type: MusicRecording
duration: PT3M31S
duration ms: 211906
explicit: false
by artist: KęKę
by artist: Sergiusz
in album: Mr KęKę
  type: MusicAlbum
  date published: 2019-09-13
isrc code: PLS411900003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T13:32:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x84a4a69de3bc0cd0b1f2d5b49435e20192f0fdb90f12712f814f5e734d5bd374
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/6TpvSbOxhDzQanRGcSNeLz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6TpvSbOxhDzQanRGcSNeLz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x84a4a69de3bc0cd0b1f2d5b49435e20192f0fdb90f12712f814f5e734d5bd374","isrc":"PLS411900003","name":"Myślę o tym","registered_at":"2026-06-05T13:32:34Z","spotify_id":"6TpvSbOxhDzQanRGcSNeLz","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 0x84a4a69de3bc0cd0b1f2d5b49435e20192f0fdb90f12712f814f5e734d5bd374. 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/6TpvSbOxhDzQanRGcSNeLz.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/6TpvSbOxhDzQanRGcSNeLz.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x84a4a69de3bc0cd0b1f2d5b49435e20192f0fdb90f12712f814f5e734d5bd374","isrc":"PLS411900003","name":"Myślę o tym","registered_at":"2026-06-05T13:32:34Z","spotify_id":"6TpvSbOxhDzQanRGcSNeLz","type":"track"}

Czarna chmura
type: MusicRecording
duration: PT3M40S
duration ms: 220546
explicit: false
by artist: KęKę
by artist: Sergiusz
in album: Mr KęKę
  type: MusicAlbum
  date published: 2019-09-13
isrc code: PLS411900005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T05:10:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1051d5e47eab959f9804a2cdc6d3d717a3f0d5ea1de422feba7183fc6ec317bc
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/1z6FYOqZv2FCJJ6BrjtkbD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1z6FYOqZv2FCJJ6BrjtkbD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1051d5e47eab959f9804a2cdc6d3d717a3f0d5ea1de422feba7183fc6ec317bc","isrc":"PLS411900005","name":"Czarna chmura","registered_at":"2026-06-05T05:10:44Z","spotify_id":"1z6FYOqZv2FCJJ6BrjtkbD","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 0x1051d5e47eab959f9804a2cdc6d3d717a3f0d5ea1de422feba7183fc6ec317bc. 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/1z6FYOqZv2FCJJ6BrjtkbD.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/1z6FYOqZv2FCJJ6BrjtkbD.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x1051d5e47eab959f9804a2cdc6d3d717a3f0d5ea1de422feba7183fc6ec317bc","isrc":"PLS411900005","name":"Czarna chmura","registered_at":"2026-06-05T05:10:44Z","spotify_id":"1z6FYOqZv2FCJJ6BrjtkbD","type":"track"}

Nigdy ponad stan
type: MusicRecording
duration: PT3M2S
duration ms: 182067
explicit: false
by artist: KęKę
by artist: Sergiusz
in album: ToTu
  type: MusicAlbum
  date published: 2018-03-23
isrc code: PLS411800009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T06:53:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f3cd8038e94d11804617c3bddb9c094bdf9ced6a17f4ba1dc370dd59bce7d0d
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/7eGgqtjvudMDl81Z4NOAtR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7eGgqtjvudMDl81Z4NOAtR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5f3cd8038e94d11804617c3bddb9c094bdf9ced6a17f4ba1dc370dd59bce7d0d","isrc":"PLS411800009","name":"Nigdy ponad stan","registered_at":"2026-06-04T06:53:57Z","spotify_id":"7eGgqtjvudMDl81Z4NOAtR","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 0x5f3cd8038e94d11804617c3bddb9c094bdf9ced6a17f4ba1dc370dd59bce7d0d. 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/7eGgqtjvudMDl81Z4NOAtR.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/7eGgqtjvudMDl81Z4NOAtR.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x5f3cd8038e94d11804617c3bddb9c094bdf9ced6a17f4ba1dc370dd59bce7d0d","isrc":"PLS411800009","name":"Nigdy ponad stan","registered_at":"2026-06-04T06:53:57Z","spotify_id":"7eGgqtjvudMDl81Z4NOAtR","type":"track"}

Nie pytaj mnie o nic
type: MusicRecording
duration: PT2M54S
duration ms: 174413
explicit: false
by artist: KęKę
by artist: Sergiusz
in album: ToTu
  type: MusicAlbum
  date published: 2018-03-23
isrc code: PLS411800012
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T13:23:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed61bffa47e016d84d6161b4ce8c2a3236a55d5fe4ee10343e72ae7fdae96012
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/2xd43FCHxKuQdUos74f30X.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2xd43FCHxKuQdUos74f30X
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xed61bffa47e016d84d6161b4ce8c2a3236a55d5fe4ee10343e72ae7fdae96012","isrc":"PLS411800012","name":"Nie pytaj mnie o nic","registered_at":"2026-06-05T13:23:19Z","spotify_id":"2xd43FCHxKuQdUos74f30X","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 0xed61bffa47e016d84d6161b4ce8c2a3236a55d5fe4ee10343e72ae7fdae96012. 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/2xd43FCHxKuQdUos74f30X.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/2xd43FCHxKuQdUos74f30X.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xed61bffa47e016d84d6161b4ce8c2a3236a55d5fe4ee10343e72ae7fdae96012","isrc":"PLS411800012","name":"Nie pytaj mnie o nic","registered_at":"2026-06-05T13:23:19Z","spotify_id":"2xd43FCHxKuQdUos74f30X","type":"track"}

Arrivederci
type: MusicRecording
duration: PT3M38S
duration ms: 218106
explicit: false
by artist: KęKę
by artist: Sergiusz
in album: Trzecie Rzeczy
  type: MusicAlbum
  date published: 2016-09-16
isrc code: PLS411600007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T12:34:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x61e5602110d1c1ae0883ab276089b43ecf5d3aa4de1b20d9abe84d8382ffe89a
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/10LyN8DMrYFbd0gRKGlujH.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/10LyN8DMrYFbd0gRKGlujH
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
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 0x61e5602110d1c1ae0883ab276089b43ecf5d3aa4de1b20d9abe84d8382ffe89a. 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/10LyN8DMrYFbd0gRKGlujH.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/10LyN8DMrYFbd0gRKGlujH.
  date published: 2026-06-13T12:47:07Z