Willa Kosmos
type: MusicGroup
genre: cold wave
genre: noise rock
genre: post-punk
popularity: 6
followers: 1068
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7855acee477a5b8fab56d1353a79d7f9c509df2da79088d106742bb9c6932df4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954587
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954587
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b8a5bc4c-8529-4e44-808e-60b70faea5db.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b8a5bc4c-8529-4e44-808e-60b70faea5db.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b8a5bc4c-8529-4e44-808e-60b70faea5db
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:10:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7855acee477a5b8fab56d1353a79d7f9c509df2da79088d106742bb9c6932df4","name":"Willa Kosmos","registered_at":"2026-06-20T15:56:22Z","symbol":"NIM1648620","token_address":"0xc3a1a040e695df18cf417b439e146a95539f0416","type":"artist","uuid":"b8a5bc4c-8529-4e44-808e-60b70faea5db"}
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 0x7855acee477a5b8fab56d1353a79d7f9c509df2da79088d106742bb9c6932df4. Chain 2 (Bitcoin): anchored in block 954588 (2026-06-20T19:15:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b8a5bc4c-8529-4e44-808e-60b70faea5db.json and https://artists.proofprofile.net/proofs/artist/b8a5bc4c-8529-4e44-808e-60b70faea5db.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:15:05Z
  text: {"copyright_id":"0x7855acee477a5b8fab56d1353a79d7f9c509df2da79088d106742bb9c6932df4","name":"Willa Kosmos","registered_at":"2026-06-20T15:56:22Z","symbol":"NIM1648620","token_address":"0xc3a1a040e695df18cf417b439e146a95539f0416","type":"artist","uuid":"b8a5bc4c-8529-4e44-808e-60b70faea5db"}
album: Parki
  type: MusicAlbum
  date published: 2020-04-24
album: Wszystko będzie dobrze
  type: MusicAlbum
  date published: 2020-05-29
album: Linoleum
  type: MusicAlbum
  date published: 2022-02-04
album: Skinhead
  type: MusicAlbum
  date published: 2024-09-06
album: Willa Kosmos
  type: MusicAlbum
  date published: 2024-12-06
album: Jest Pięknie
  type: MusicAlbum
  date published: 2025-07-18
  track: Willa Kosmos
    type: MusicRecording
    duration: PT3M25S
    duration ms: 205823
    explicit: false
    by artist: Willa Kosmos
    in album: Jest Pięknie
      type: MusicAlbum
      date published: 2025-07-18
    genre: cold wave
    genre: noise rock
    genre: post-punk
    isrc code: QZZ7L2457312
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T19:47:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xee36fa5039def1f19a1fc7bcbea7e895cb7cbf532ec89806f9f5d669aa05f23a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958775
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958775
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7L2457312
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T22:49:50Z
    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 0xee36fa5039def1f19a1fc7bcbea7e895cb7cbf532ec89806f9f5d669aa05f23a. Chain 2 (Bitcoin): anchored in block 958775 (2026-07-19T22:49:50Z), 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/QZZ7L2457312.
      date published: 2026-07-19T22:49:50Z
    audio: Willa Kosmos
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.952
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.503
      additional property: Energy
        type: PropertyValue
        value: 0.847
      additional property: Speechiness
        type: PropertyValue
        value: 0.045
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.004
      additional property: Liveness
        type: PropertyValue
        value: 0.143
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.404
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.979
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Z Kamerą Wśród Zwierząt
    type: MusicRecording
    duration: PT4M6S
    duration ms: 246555
    explicit: true
    by artist: Willa Kosmos
    in album: Jest Pięknie
      type: MusicAlbum
      date published: 2025-07-18
    genre: cold wave
    genre: noise rock
    genre: post-punk
    isrc code: PLA812580042
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T13:10:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb9ccaa4b028c6fb11517f54abba717fff6108213fd4db4c2ec5d42431a464eb2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956728
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956728
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA812580042
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:43:49Z
    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 0xb9ccaa4b028c6fb11517f54abba717fff6108213fd4db4c2ec5d42431a464eb2. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/PLA812580042.
      date published: 2026-07-05T01:43:49Z
    audio: Z Kamerą Wśród Zwierząt
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.961
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Skinhead
  track: Linoleum
  track: Szugejz Trash
  track: Jutro Będzie Bardziej Bolało Niż Dziś
  track: Bajki

Danceability
type: PropertyValue
value: 0.61

Energy
type: PropertyValue
value: 0.761

Speechiness
type: PropertyValue
value: 0.041

Acousticness
type: PropertyValue
value: 0.001

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.1

Valence (Positivity)
type: PropertyValue
value: 0.472

Loudness (dB)
type: PropertyValue
value: -6.194

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Skinhead
type: MusicRecording
duration: PT2M44S
duration ms: 164483
explicit: false
by artist: Willa Kosmos
in album: Jest Pięknie
  type: MusicAlbum
  date published: 2025-07-18
genre: cold wave
genre: noise rock
genre: post-punk
isrc code: QZTB52405496
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T02:41:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2982505711f203180a3ae574d451cd5130b27f3caee3045654239016191c88fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958650
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958650
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB52405496
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T03:36:41Z
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 0x2982505711f203180a3ae574d451cd5130b27f3caee3045654239016191c88fe. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/QZTB52405496.
  date published: 2026-07-19T03:36:41Z
audio: Skinhead
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.031
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.554
  additional property: Energy
    type: PropertyValue
    value: 0.913
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.009
  additional property: Liveness
    type: PropertyValue
    value: 0.201
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.402
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.123
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Linoleum
type: MusicRecording
duration: PT3M59S
duration ms: 239543
explicit: true
by artist: Willa Kosmos
in album: Jest Pięknie
  type: MusicAlbum
  date published: 2025-07-18
genre: cold wave
genre: noise rock
genre: post-punk
isrc code: QZFYY2263122
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T08:47:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d16951ec46d55d823b4819b4320dc7e29e9699c20fe53591351baaef639f1c8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958853
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958853
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFYY2263122
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T11:49:34Z
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 0x7d16951ec46d55d823b4819b4320dc7e29e9699c20fe53591351baaef639f1c8. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:49:34Z), 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/QZFYY2263122.
  date published: 2026-07-20T11:49:34Z
audio: Linoleum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.944
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.566
  additional property: Energy
    type: PropertyValue
    value: 0.657
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.001
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.028
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.443
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.702
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Szugejz Trash
type: MusicRecording
duration: PT3M33S
duration ms: 213442
explicit: true
by artist: Willa Kosmos
in album: Jest Pięknie
  type: MusicAlbum
  date published: 2025-07-18
genre: cold wave
genre: noise rock
genre: post-punk
isrc code: PLA812580043
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T01:44:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x37010d027ccca4b309ce28b65a3c93ef2a3004b82409c835f980c7dfac564c1d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959088
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959088
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA812580043
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T04:46:59Z
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 0x37010d027ccca4b309ce28b65a3c93ef2a3004b82409c835f980c7dfac564c1d. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T04:46:59Z), 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/PLA812580043.
  date published: 2026-07-22T04:46:59Z
audio: Szugejz Trash
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.648
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.194
  additional property: Energy
    type: PropertyValue
    value: 0.946
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.012
  additional property: Liveness
    type: PropertyValue
    value: 0.328
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.181
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.718
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Jutro Będzie Bardziej Bolało Niż Dziś
type: MusicRecording
duration: PT2M59S
duration ms: 179105
explicit: false
by artist: Willa Kosmos
in album: Jest Pięknie
  type: MusicAlbum
  date published: 2025-07-18
genre: cold wave
genre: noise rock
genre: post-punk
isrc code: PLA812580044
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T04:09:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83e5a9a3f3960406102e84135e27d3b5d6dca9f5fed6aa180f0e219894d2059b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958822
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958822
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA812580044
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T07:07:55Z
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 0x83e5a9a3f3960406102e84135e27d3b5d6dca9f5fed6aa180f0e219894d2059b. Chain 2 (Bitcoin): anchored in block 958822 (2026-07-20T07:07:55Z), 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/PLA812580044.
  date published: 2026-07-20T07:07:55Z
audio: Jutro Będzie Bardziej Bolało Niż Dziś
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.018
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.383
  additional property: Energy
    type: PropertyValue
    value: 0.95
  additional property: Speechiness
    type: PropertyValue
    value: 0.116
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.455
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Bajki
type: MusicRecording
duration: PT5M51S
duration ms: 351501
explicit: true
by artist: Willa Kosmos
in album: Jest Pięknie
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  date published: 2025-07-18
genre: cold wave
genre: noise rock
genre: post-punk
isrc code: PLA812580045
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x40c7a12e607372347839c068a991165eefd01e005aa27939a19167a2dcf4c60c. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T05:43:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA812580045.
  date published: 2026-07-20T05:43:57Z
audio: Bajki
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  additional property: Loudness (dB)
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  additional property: Key Name
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