Mario Sarritzu
type: MusicGroup
popularity: 2
followers: 19
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x69e742874cf98e726a85248374b4ed9f4f08e1dc0594a6920a3138a0bd20e27d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953852
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953852
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0237f1fe-a1c7-4e22-b270-490900576ac9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0237f1fe-a1c7-4e22-b270-490900576ac9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0237f1fe-a1c7-4e22-b270-490900576ac9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T23:13:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x69e742874cf98e726a85248374b4ed9f4f08e1dc0594a6920a3138a0bd20e27d","name":"Mario Sarritzu","registered_at":"2026-06-15T14:14:58Z","symbol":"NIM0733776","token_address":"0xb2064e23bd3670d43cb3d0e6da8ef5c90f9cf692","type":"artist","uuid":"0237f1fe-a1c7-4e22-b270-490900576ac9"}
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 0x69e742874cf98e726a85248374b4ed9f4f08e1dc0594a6920a3138a0bd20e27d. Chain 2 (Bitcoin): anchored in block 953852 (2026-06-15T23:13:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0237f1fe-a1c7-4e22-b270-490900576ac9.json and https://artists.proofprofile.net/proofs/artist/0237f1fe-a1c7-4e22-b270-490900576ac9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T23:13:02Z
  text: {"copyright_id":"0x69e742874cf98e726a85248374b4ed9f4f08e1dc0594a6920a3138a0bd20e27d","name":"Mario Sarritzu","registered_at":"2026-06-15T14:14:58Z","symbol":"NIM0733776","token_address":"0xb2064e23bd3670d43cb3d0e6da8ef5c90f9cf692","type":"artist","uuid":"0237f1fe-a1c7-4e22-b270-490900576ac9"}
album: La Dolce tenebra
  type: MusicAlbum
  date published: 2020-09-18
track: La Dolce Tenebra

La Dolce Tenebra
type: MusicRecording
duration: PT2M16S
duration ms: 136000
explicit: false
by artist: Mario Sarritzu
by artist: Ada De Antonio
in album: Notturna
  type: MusicAlbum
  date published: 2020-09-18
isrc code: CA5KR2080676
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:22:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99efe54799021797533f54e1a8c864a16b634efd0ab9b1ceb07dd6d97c6a0e4e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957819
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957819
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR2080676
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T07:53:33Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957819
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-13T07:53:33+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99efe54799021797533f54e1a8c864a16b634efd0ab9b1ceb07dd6d97c6a0e4e. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/CA5KR2080676.
  date published: 2026-07-13T07:53:33Z
audio: La Dolce Tenebra
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.482
  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: 0.592
  additional property: Energy
    type: PropertyValue
    value: 0.139
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.833
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.4
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.643
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major