Alfonso Cheng
type: MusicGroup
popularity: 5
followers: 1023
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x455099804899dfa8b0c0df0e83b87cdec8f3cbe32fdd59ecccc18e582ada47ca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6dfb23cd-c9ce-4c45-96a5-563db13a3a45.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6dfb23cd-c9ce-4c45-96a5-563db13a3a45.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6dfb23cd-c9ce-4c45-96a5-563db13a3a45
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x455099804899dfa8b0c0df0e83b87cdec8f3cbe32fdd59ecccc18e582ada47ca","name":"Alfonso Cheng","registered_at":"2026-06-17T03:55:30Z","symbol":"NIM1273265","token_address":"0x8e72d8c4d736d8ae5e3ec4f8288c9a5cd6ec0379","type":"artist","uuid":"6dfb23cd-c9ce-4c45-96a5-563db13a3a45"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x455099804899dfa8b0c0df0e83b87cdec8f3cbe32fdd59ecccc18e582ada47ca. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6dfb23cd-c9ce-4c45-96a5-563db13a3a45.json and https://artists.proofprofile.net/proofs/artist/6dfb23cd-c9ce-4c45-96a5-563db13a3a45.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x455099804899dfa8b0c0df0e83b87cdec8f3cbe32fdd59ecccc18e582ada47ca","name":"Alfonso Cheng","registered_at":"2026-06-17T03:55:30Z","symbol":"NIM1273265","token_address":"0x8e72d8c4d736d8ae5e3ec4f8288c9a5cd6ec0379","type":"artist","uuid":"6dfb23cd-c9ce-4c45-96a5-563db13a3a45"}
album: Nocera by Night (feat. Visconti)
  type: MusicAlbum
  date published: 2023-10-20
album: Finferland
  type: MusicAlbum
  date published: 2024-05-17
  track: Amore/Rumore
    type: MusicRecording
    duration: PT3M16S
    duration ms: 196874
    explicit: false
    by artist: Alfonso Cheng
    by artist: Moci
    in album: Finferland
      type: MusicAlbum
      date published: 2024-05-17
    isrc code: ITHBZ2300018
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-30T19:25:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x23728401153170475f829a20452fd6c1f093d59180797651d3867b8eb14e7f33
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 960300
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/960300
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITHBZ2300018
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-30T19:42:40Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23728401153170475f829a20452fd6c1f093d59180797651d3867b8eb14e7f33. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/ITHBZ2300018.
      date published: 2026-07-30T19:42:40Z
    audio: Amore/Rumore
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 157.443
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.463
      additional property: Energy
        type: PropertyValue
        value: 0.846
      additional property: Speechiness
        type: PropertyValue
        value: 0.045
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.232
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.432
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.752
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Nocera by Night
    type: MusicRecording
    duration: PT3M11S
    duration ms: 191000
    explicit: false
    by artist: Alfonso Cheng
    by artist: Visconti
    in album: Finferland
      type: MusicAlbum
      date published: 2024-05-17
    isrc code: ITUM72301259
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-29T19:29:30+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x78cdea38832f498d8ab9cf6b17c2ab78c755d702ffa243ee8d32d74a23846801
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 960138
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/960138
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITUM72301259
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-29T19:35:34Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78cdea38832f498d8ab9cf6b17c2ab78c755d702ffa243ee8d32d74a23846801. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/ITUM72301259.
      date published: 2026-07-29T19:35:34Z
    audio: Nocera by Night
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 111.218
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.419
      additional property: Energy
        type: PropertyValue
        value: 0.9
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.764
      additional property: Liveness
        type: PropertyValue
        value: 0.487
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Stavo bene
  track: Piccola miss
album: Strong Nature
album: Finferland (completamente differente ma è sempre nu ‘nfinfero)
album: Buvari 1990
album: Piccola miss
album: Fuoco cammina con me
album: Fino a Pagani
album: Amore/Rumore
album: Stavo bene
album: Stupid Song (Alfonso Cheng Remix)
album: Non mi va
album: Sabatosera (Remix)
album: Albero Azzurro
album: Sabatosera
album: IL GRANDE FREDDO
album: PER ORA TUTTO OK
album: 100% LANA
album: Piccoli Brividi
album: Varsavia
album: Casa

Valence (Positivity)
type: PropertyValue
value: 0.632

Loudness (dB)
type: PropertyValue
value: -11.674

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Stavo bene
type: MusicRecording
duration: PT2M55S
duration ms: 175542
explicit: false
by artist: Alfonso Cheng
by artist: Alberi Alti
in album: Finferland
  type: MusicAlbum
  date published: 2024-05-17
isrc code: ITHBZ2400001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:09:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaa5d4db5c20d27a3adb939bdaa45675a3b699ede73a0ae7eb3737a8fcca3d05a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITHBZ2400001
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa5d4db5c20d27a3adb939bdaa45675a3b699ede73a0ae7eb3737a8fcca3d05a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ITHBZ2400001.
  date published: 2026-07-08T03:20:19Z
audio: Stavo bene
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.024
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.463
  additional property: Energy
    type: PropertyValue
    value: 0.937
  additional property: Speechiness
    type: PropertyValue
    value: 0.093
  additional property: Acousticness
    type: PropertyValue
    value: 0.009
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.311
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.49
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.969
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Piccola miss
type: MusicRecording
duration: PT4M58S
duration ms: 298624
explicit: false
by artist: Alfonso Cheng
by artist: Supernino
in album: Finferland
  type: MusicAlbum
  date published: 2024-05-17
isrc code: ITHBZ2200041
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T07:36:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa3817e86612c4b1d0f973e2b1fe4f40ffe21b5829b028e9d364962a816c0aac5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITHBZ2200041
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3817e86612c4b1d0f973e2b1fe4f40ffe21b5829b028e9d364962a816c0aac5. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/ITHBZ2200041.
  date published: 2026-07-31T08:26:41Z
audio: Piccola miss
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.188
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.399
  additional property: Energy
    type: PropertyValue
    value: 0.904
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.221
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.101
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.836
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Strong Nature
type: MusicAlbum
date published: 2022-10-01

Finferland (completamente differente ma è sempre nu ‘nfinfero)
type: MusicAlbum
date published: 2025-01-10
track: Fino a Pagani - Remix
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127058
  explicit: false
  by artist: Alfonso Cheng
  by artist: Alberi Alti
  in album: Finferland (completamente differente ma è sempre nu ‘nfinfero)
    type: MusicAlbum
    date published: 2025-01-10
  isrc code: ITHBZ2400053
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T16:53:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdabd49e3eb932888baf78761a3f161a278569e2bcf256b6d5757c4ee645621a3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITHBZ2400053
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdabd49e3eb932888baf78761a3f161a278569e2bcf256b6d5757c4ee645621a3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ITHBZ2400053.
    date published: 2026-07-08T03:20:19Z
  audio: Fino a Pagani - Remix
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.771
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.44
    additional property: Energy
      type: PropertyValue
      value: 0.946
    additional property: Speechiness
      type: PropertyValue
      value: 0.131
    additional property: Acousticness
      type: PropertyValue
      value: 0.008
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.113
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.707
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.38
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Nocera by Night - Remix
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192000
  explicit: false
  by artist: Alfonso Cheng
  by artist: Alberi Alti
  in album: Finferland (completamente differente ma è sempre nu ‘nfinfero)
    type: MusicAlbum
    date published: 2025-01-10
  isrc code: ITHBZ2400055
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T13:55:01+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0642219569e9f706e1327039e03afe0f26fd32546f5e0fe38e19cd6f236aff4e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960418
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960418
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITHBZ2400055
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T15:20:15Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0642219569e9f706e1327039e03afe0f26fd32546f5e0fe38e19cd6f236aff4e. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/ITHBZ2400055.
    date published: 2026-07-31T15:20:15Z
  audio: Nocera by Night - Remix
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 172.433
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.386
    additional property: Energy
      type: PropertyValue
      value: 0.818
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.92
    additional property: Liveness
      type: PropertyValue
      value: 0.296
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.28
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.953
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Buvari 1990
type: MusicAlbum
date published: 2022-02-15
track: Lucygrace
  type: MusicRecording
  duration: PT2M0S
  duration ms: 120000
  explicit: false
  by artist: Alfonso Cheng
  in album: Buvari 1990
    type: MusicAlbum
    date published: 2022-02-15
  isrc code: GX38U2242880
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T10:13:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa41d3b424670a4834ea15257af20e65a460da2a6c0f4064e15974b6c13f3b893
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960389
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960389
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX38U2242880
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T10:20:10Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa41d3b424670a4834ea15257af20e65a460da2a6c0f4064e15974b6c13f3b893. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/GX38U2242880.
    date published: 2026-07-31T10:20:10Z
  audio: Lucygrace
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.24
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.512
    additional property: Energy
      type: PropertyValue
      value: 0.523
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.009
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.855
    additional property: Liveness
      type: PropertyValue
      value: 0.227
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.396
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.86
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major

Piccola miss
type: MusicAlbum
date published: 2024-04-19

Fuoco cammina con me
type: MusicAlbum
date published: 2024-04-19

Fino a Pagani
type: MusicAlbum
date published: 2024-04-19

Amore/Rumore
type: MusicAlbum
date published: 2024-04-19

Stavo bene
type: MusicAlbum
date published: 2024-02-23

Stupid Song (Alfonso Cheng Remix)
type: MusicAlbum
date published: 2023-11-24

Non mi va
type: MusicAlbum
date published: 2023-07-07

Sabatosera (Remix)
type: MusicAlbum
date published: 2022-06-17

Albero Azzurro
type: MusicAlbum
date published: 2022-01-29

Sabatosera
type: MusicAlbum
date published: 2022-01-21

IL GRANDE FREDDO
type: MusicAlbum
date published: 2025-02-28
track: Zenzero
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146814
  explicit: false
  by artist: Superbi
  by artist: Santona
  in album: IL GRANDE FREDDO
    type: MusicAlbum
    date published: 2025-02-28
  isrc code: IT9PP1900343
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T17:13:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x727d7a082c7d18602d11189c110cc8b7e9eee94916333a94b3472de21946e099
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT9PP1900343
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x727d7a082c7d18602d11189c110cc8b7e9eee94916333a94b3472de21946e099. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/IT9PP1900343.
    date published: 2026-07-08T03:53:27Z
  audio: Zenzero
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.808
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.589
    additional property: Energy
      type: PropertyValue
      value: 0.684
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.357
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.088
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.242
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.472
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Ombre
  type: MusicRecording
  duration: PT3M22S
  duration ms: 202875
  explicit: false
  by artist: Superbi
  by artist: Santona
  in album: IL GRANDE FREDDO
    type: MusicAlbum
    date published: 2025-02-28
  isrc code: IT9PP1900344
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T10:40:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc47f20b5bf505ecc534176170bc91e6c570e34bb18469ca978e2b8e74a5179fc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT9PP1900344
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc47f20b5bf505ecc534176170bc91e6c570e34bb18469ca978e2b8e74a5179fc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/IT9PP1900344.
    date published: 2026-07-08T03:20:19Z
  audio: Ombre
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.764
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.471
    additional property: Energy
      type: PropertyValue
      value: 0.588
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.103
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.344
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.141
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.682
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Varsavia
  type: MusicRecording
  duration: PT2M25S
  duration ms: 145447
  explicit: false
  by artist: Superbi
  by artist: Santona
  by artist: Alfonso Cheng
  in album: IL GRANDE FREDDO
    type: MusicAlbum
    date published: 2025-02-28
  isrc code: IT9PP1900335
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T16:20:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1f6b8722cadf55d630ac6e3676b67cb8905bf11855707912734f7625c07c3542
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960435
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960435
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Varsavia

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT9PP1900335

OTSTimestamp
type: PropertyValue
value: 2026-07-31T16:33:26Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f6b8722cadf55d630ac6e3676b67cb8905bf11855707912734f7625c07c3542. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/IT9PP1900335.
date published: 2026-07-31T16:33:26Z

Varsavia
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 135.012
additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.62
additional property: Energy
  type: PropertyValue
  value: 0.862
additional property: Speechiness
  type: PropertyValue
  value: 0.027
additional property: Acousticness
  type: PropertyValue
  value: 0.054
additional property: Instrumentalness
  type: PropertyValue
  value: 0.031
additional property: Liveness
  type: PropertyValue
  value: 0.553
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.78
additional property: Loudness (dB)
  type: PropertyValue
  value: -12.487
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Major

PER ORA TUTTO OK
type: MusicAlbum
date published: 2024-06-20

100% LANA
type: MusicAlbum
date published: 2025-01-17

Piccoli Brividi
type: MusicAlbum
date published: 2025-03-14
track: Piccoli Brividi
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169803
  explicit: false
  by artist: MECHA PRJT
  by artist: lacaligine
  by artist: davidefrattafalso
  by artist: uk1yo
  by artist: Alfonso Cheng
  in album: Piccoli Brividi
    type: MusicAlbum
    date published: 2025-03-14
  isrc code: IT9PP1900345
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T04:26:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x19a721f6602e37ca8c124e8f588fa306d38643130042f05dc2b456bc0ae440cc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960348
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960348
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT9PP1900345
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T05:17:02Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19a721f6602e37ca8c124e8f588fa306d38643130042f05dc2b456bc0ae440cc. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/IT9PP1900345.
    date published: 2026-07-31T05:17:02Z
  audio: Piccoli Brividi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 154.022
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.43
    additional property: Energy
      type: PropertyValue
      value: 0.92
    additional property: Speechiness
      type: PropertyValue
      value: 0.126
    additional property: Acousticness
      type: PropertyValue
      value: 0.006
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.097
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.534
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.398
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Varsavia
type: MusicAlbum
date published: 2025-01-31
track: Varsavia
  type: MusicRecording
  duration: PT2M25S
  duration ms: 145447
  explicit: false
  by artist: Superbi
  by artist: Santona
  by artist: Alfonso Cheng
  in album: Varsavia
    type: MusicAlbum
    date published: 2025-01-31
  isrc code: IT9PP1900335
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1f6b8722cadf55d630ac6e3676b67cb8905bf11855707912734f7625c07c3542
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960478
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960478
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/IT9PP1900335
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T23:30:38Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f6b8722cadf55d630ac6e3676b67cb8905bf11855707912734f7625c07c3542. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/IT9PP1900335.
    date published: 2026-07-31T23:30:38Z
  audio: Varsavia
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.016
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.62
    additional property: Energy
      type: PropertyValue
      value: 0.856
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.051
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.068
    additional property: Liveness
      type: PropertyValue
      value: 0.405
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.865
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.459
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Casa
type: MusicAlbum
date published: 2022-04-05