Antonio Marro
type: MusicGroup
description: Antonio Marro (1840-1913) was an Italian psychiatrist, known for his studies on criminology and puberty. He was born to a family of limited means, but was able to graduate with a degree in medicine a
popularity: 10
followers: 179
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  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
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  date published: 2026-06-16T01:09:47Z
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album: Ben Harper
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  date published: 2024-06-13
album: Back in Time
  type: MusicAlbum
  date published: 2024-06-15
album: Feel Like Home
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  date published: 2024-07-14
album: Luckiest Man On Earth
  type: MusicAlbum
  date published: 2024-07-20
album: Stranger in My Life
  type: MusicAlbum
  date published: 2024-07-31
album: Looking for Myself Around
  type: MusicAlbum
  date published: 2024-08-13
album: Good People Around
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album: Automatic Razor
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  date published: 2024-08-14
album: No One Like You
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album: Invisible Man
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album: My Way to You
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album: Time to Shine
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album: Something Wrong
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  date published: 2024-08-17
album: Sign of Your Love
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  date published: 2024-08-17
album: Song for You
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  date published: 2024-08-17
album: Falling from the Sky
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  date published: 2024-08-17
album: Let You Go
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  date published: 2024-09-11
album: Luckiest Man On Earth
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  date published: 2024-10-20
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    by artist: Antonio Marro
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      date published: 2024-10-20
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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 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
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      date published: 2026-07-05T18:48:28Z
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album: Last Year
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  date published: 2025-01-05
album: The One
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album: Follow the River
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album: Tattoo Girl
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      date published: 2025-01-26
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    subject of: OpenTimestamps Proof of Existence
    audio: Tattoo Girl
album: You and Me
album: Calling Your Name
album: The End of Us
album: After the Fall
album: Instrumental Dream
album: Memories
album: First Kiss House
album: Dark Waters
album: Another You
album: Too Late
album: Speciale
album: Ali D'oro

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CopyrightChainExplorerURL
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OTSBitcoinBlock
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value: 958571

OTSBitcoinBlockVerifyURL
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value: https://blockstream.info/api/block-height/958571

OTSVerificationAPI
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OTSTimestamp
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value: 2026-07-18T15:39:25Z

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 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 0x26f2a012bcad70872b78c4a6e1b657b4d6f930ee3924c1794e2e91d38505822f. Chain 2 (Bitcoin): anchored in block 958571 (2026-07-18T15:39:25Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKWA2322079 — a six-check JSON result.
date published: 2026-07-18T15:39:25Z

Tattoo Girl
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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You and Me
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date published: 2025-02-02
track: You and Me
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  duration: PT3M3S
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    date published: 2025-02-02
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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 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 0xa2bc9c46fa25acfc98182e5cc3d3a5476bfb4d5ada432c0a2aee32cafbbfd9c4. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZKWA2322080 — a six-check JSON result.
    date published: 2026-07-20T21:15:01Z
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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Calling Your Name
type: MusicAlbum
date published: 2025-02-09

The End of Us
type: MusicAlbum
date published: 2025-02-16

After the Fall
type: MusicAlbum
date published: 2025-02-23

Instrumental Dream
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date published: 2025-03-02

Memories
type: MusicAlbum
date published: 2025-03-09

First Kiss House
type: MusicAlbum
date published: 2025-03-16

Dark Waters
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date published: 2025-03-23

Another You
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date published: 2025-03-30

Too Late
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date published: 2025-04-06

Follow the River
type: MusicAlbum
date published: 2025-04-25

Speciale
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date published: 2025-09-28
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  duration: PT3M49S
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  by artist: Antonio Marro
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    date published: 2025-09-28
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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 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
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    date published: 2026-07-20T21:15:01Z
  audio: Speciale
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Ali D'oro
type: MusicAlbum
date published: 2025-10-31