Andrzej Nestorowicz
type: MusicGroup
popularity: 15
followers: 254
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x342bf51f89f67aae0ce9ce3c4238ca79997164d74cb4da42a4499f3a6441f03f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953714
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953714
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/810d6ec5-96ac-4ac6-85f1-dd95b837dbc5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/810d6ec5-96ac-4ac6-85f1-dd95b837dbc5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/810d6ec5-96ac-4ac6-85f1-dd95b837dbc5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T00:43:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x342bf51f89f67aae0ce9ce3c4238ca79997164d74cb4da42a4499f3a6441f03f","name":"Andrzej Nestorowicz","registered_at":"2026-06-14T18:06:03Z","symbol":"NIM0533545","token_address":"0xf74ce19e9a49289158cb77dcca66b20d1056fcec","type":"artist","uuid":"810d6ec5-96ac-4ac6-85f1-dd95b837dbc5"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x342bf51f89f67aae0ce9ce3c4238ca79997164d74cb4da42a4499f3a6441f03f. Chain 2 (Bitcoin): anchored in block 953714 (2026-06-15T00:43:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/810d6ec5-96ac-4ac6-85f1-dd95b837dbc5.json and https://artists.proofprofile.net/proofs/artist/810d6ec5-96ac-4ac6-85f1-dd95b837dbc5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T00:43:59Z
  text: {"copyright_id":"0x342bf51f89f67aae0ce9ce3c4238ca79997164d74cb4da42a4499f3a6441f03f","name":"Andrzej Nestorowicz","registered_at":"2026-06-14T18:06:03Z","symbol":"NIM0533545","token_address":"0xf74ce19e9a49289158cb77dcca66b20d1056fcec","type":"artist","uuid":"810d6ec5-96ac-4ac6-85f1-dd95b837dbc5"}
album: Day by day
  type: MusicAlbum
  date published: 2023-09-16
  track: Day by day
    type: MusicRecording
    duration: PT3M48S
    duration ms: 228000
    explicit: false
    by artist: Andrzej Nestorowicz
    in album: Day by day
      type: MusicAlbum
      date published: 2023-09-16
    isrc code: QZTAX2330503
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T01:44:04+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe2515e829a6e80ba73d8c2bf5b1dd8998c2c66e405831dd7309f50edcc57d0ad
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956474
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956474
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAX2330503
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T08:56:35Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2515e829a6e80ba73d8c2bf5b1dd8998c2c66e405831dd7309f50edcc57d0ad. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAX2330503.
      date published: 2026-07-03T08:56:35Z
    audio: Day by day
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 181.57
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.247
      additional property: Energy
        type: PropertyValue
        value: 0.159
      additional property: Speechiness
        type: PropertyValue
        value: 0.045
      additional property: Acousticness
        type: PropertyValue
        value: 0.956
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.879
      additional property: Liveness
        type: PropertyValue
        value: 0.114
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.062
      additional property: Loudness (dB)
        type: PropertyValue
        value: -15.564
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Journey
  type: MusicAlbum
  date published: 2023-11-30
  track: Journey
    type: MusicRecording
    duration: PT5M12S
    duration ms: 312000
    explicit: false
    by artist: Andrzej Nestorowicz
    in album: Journey
      type: MusicAlbum
      date published: 2023-11-30
    isrc code: QZTBF2311281
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T07:17:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x03a419d79733b9cbcc3526c5cf4df5fed5554f6924fc3326b349132a80aca2cd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958388
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958388
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBF2311281
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T09:14:21Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03a419d79733b9cbcc3526c5cf4df5fed5554f6924fc3326b349132a80aca2cd. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBF2311281.
      date published: 2026-07-17T09:14:21Z
    audio: Journey
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 176.886
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.316
      additional property: Energy
        type: PropertyValue
        value: 0.216
      additional property: Speechiness
        type: PropertyValue
        value: 0.041
      additional property: Acousticness
        type: PropertyValue
        value: 0.963
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.87
      additional property: Liveness
        type: PropertyValue
        value: 0.108
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.114
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Dream
album: Breathe
album: Story
album: Desire
album: Oh,me and my freedom
album: Mademoiselle
album: Za horyzontem spojrzeń
album: Remember who you are
album: New day

Loudness (dB)
type: PropertyValue
value: -9.766

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

Dream
type: MusicAlbum
date published: 2024-07-08
track: Dream
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169230
  explicit: false
  by artist: Andrzej Nestorowicz
  in album: Dream
    type: MusicAlbum
    date published: 2024-07-08
  isrc code: QZRP42410842
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T21:33:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x42c4a81c380267c0403adce22ff1956cb98c4d34aebe5e6a14f85f3834e3452d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958331
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958331
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP42410842
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T00:36:42Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42c4a81c380267c0403adce22ff1956cb98c4d34aebe5e6a14f85f3834e3452d. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-17T00:36:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP42410842.
    date published: 2026-07-17T00:36:42Z
  audio: Dream
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 79.774
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.353
    additional property: Energy
      type: PropertyValue
      value: 0.196
    additional property: Speechiness
      type: PropertyValue
      value: 0.06
    additional property: Acousticness
      type: PropertyValue
      value: 0.957
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.892
    additional property: Liveness
      type: PropertyValue
      value: 0.598
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.194
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.465
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Breathe
type: MusicAlbum
date published: 2024-07-27
track: Breathe
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178461
  explicit: false
  by artist: Andrzej Nestorowicz
  in album: Breathe
    type: MusicAlbum
    date published: 2024-07-27
  isrc code: QZTAS2442097
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T05:47:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x10eaf7452a84c3086bd7a7905cfdf050da409e869575f846dc07c167ab6b5bfb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958377
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958377
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAS2442097
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T06:48:00Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10eaf7452a84c3086bd7a7905cfdf050da409e869575f846dc07c167ab6b5bfb. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAS2442097.
    date published: 2026-07-17T06:48:00Z
  audio: Breathe
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.199
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.413
    additional property: Energy
      type: PropertyValue
      value: 0.25
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.95
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.873
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.138
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.229
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Story
type: MusicAlbum
date published: 2024-09-05
track: Story
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206282
  explicit: false
  by artist: Andrzej Nestorowicz
  in album: Story
    type: MusicAlbum
    date published: 2024-09-05
  isrc code: QZTBC2450857
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T07:58:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5d90965ad0bb35aafffe3828ddcd183fbcdce189696c3055104c65dd8fceddaa
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958388
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958388
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBC2450857
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T10:59:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d90965ad0bb35aafffe3828ddcd183fbcdce189696c3055104c65dd8fceddaa. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T10:59:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTBC2450857.
    date published: 2026-07-17T10:59:08Z
  audio: Story
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 70.343
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.411
    additional property: Energy
      type: PropertyValue
      value: 0.049
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.975
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.919
    additional property: Liveness
      type: PropertyValue
      value: 0.077
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.238
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.095
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Desire
type: MusicAlbum
date published: 2024-10-18
track: Desire
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204000
  explicit: false
  by artist: Andrzej Nestorowicz
  in album: Desire
    type: MusicAlbum
    date published: 2024-10-18
  isrc code: QZWFR2478445
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T02:01:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x82829e177bfd0379c1ac88e15d154d5096f5407d213477dc809a166b2653a78d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFR2478445
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82829e177bfd0379c1ac88e15d154d5096f5407d213477dc809a166b2653a78d. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFR2478445.
    date published: 2026-07-04T11:19:20Z
  audio: Desire
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.856
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.345
    additional property: Energy
      type: PropertyValue
      value: 0.188
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.98
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.883
    additional property: Liveness
      type: PropertyValue
      value: 0.091
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.055
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.137
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Oh,me and my freedom
type: MusicAlbum
date published: 2024-11-14
track: Oh,me and my freedom
  type: MusicRecording
  duration: PT1M57S
  duration ms: 117820
  explicit: false
  by artist: Andrzej Nestorowicz
  in album: Oh,me and my freedom
    type: MusicAlbum
    date published: 2024-11-14
  isrc code: QZZ792405697
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-04T01:56:51+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xe878b87fab05dec648885a49bc8e4ef2229794b1cd429d8847a5aa750b3c2fdf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ792405697
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe878b87fab05dec648885a49bc8e4ef2229794b1cd429d8847a5aa750b3c2fdf. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ792405697.
    date published: 2026-07-04T10:04:33Z
  audio: Oh,me and my freedom
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 73.6
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.296
    additional property: Energy
      type: PropertyValue
      value: 0.267
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.927
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.939
    additional property: Liveness
      type: PropertyValue
      value: 0.146
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.069
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.385
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Mademoiselle
type: MusicAlbum
date published: 2024-12-19
track: Mademoiselle
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181538
  explicit: false
  by artist: Andrzej Nestorowicz
  in album: Mademoiselle
    type: MusicAlbum
    date published: 2024-12-19
  isrc code: QT3EX2415058
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T12:58:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdb05dcaa974e86c8a276722f7c3a1f8328b3b64fa0db96cd81339e09a9226411
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956560
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956560
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3EX2415058
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T23:28:02Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb05dcaa974e86c8a276722f7c3a1f8328b3b64fa0db96cd81339e09a9226411. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QT3EX2415058.
    date published: 2026-07-03T23:28:02Z
  audio: Mademoiselle
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.085
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.372
    additional property: Energy
      type: PropertyValue
      value: 0.115
    additional property: Speechiness
      type: PropertyValue
      value: 0.057
    additional property: Acousticness
      type: PropertyValue
      value: 0.973
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.931
    additional property: Liveness
      type: PropertyValue
      value: 0.108
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.145
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.168
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Za horyzontem spojrzeń
type: MusicAlbum
date published: 2025-03-27
track: Za horyzontem spojrzeń
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166153
  explicit: false
  by artist: Andrzej Nestorowicz
  in album: Za horyzontem spojrzeń
    type: MusicAlbum
    date published: 2025-03-27
  isrc code: QZK6L2538681
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T21:13:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xee9679bb67b1b61e7cb6de1a77bd7bd2ba7288bc9b98dc0b3e75f4a6977289cf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2538681
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee9679bb67b1b61e7cb6de1a77bd7bd2ba7288bc9b98dc0b3e75f4a6977289cf. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2538681.
    date published: 2026-07-04T10:04:33Z
  audio: Za horyzontem spojrzeń
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 82.477
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.34
    additional property: Energy
      type: PropertyValue
      value: 0.179
    additional property: Speechiness
      type: PropertyValue
      value: 0.055
    additional property: Acousticness
      type: PropertyValue
      value: 0.946
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.894
    additional property: Liveness
      type: PropertyValue
      value: 0.129
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.072
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.284
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Remember who you are
type: MusicAlbum
date published: 2025-09-05

New day
type: MusicAlbum
date published: 2025-11-08