Sara Serpa
type: MusicGroup
genre: jazz
description: Sara Serpa is a jazz vocalist from Lisbon, Portugal. Career For ten years Serpa studied classical piano and vocals, then studied jazz at the Lisbon Conservatory. After moving to Boston, she attended
popularity: 4
followers: 219
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSVerifyInstructions
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa132dc044628b6965a5e58182fc7cfcfa218c49e2cd150506d78c8408177c899. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e118b59b-7484-45b7-9a00-740183160241.json and https://artists.proofprofile.net/proofs/artist/e118b59b-7484-45b7-9a00-740183160241.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
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album: Night
  type: MusicAlbum
  date published: 2021-11-05
album: For You I Must Become a Tree
  type: MusicAlbum
  date published: 2021-11-26
album: Intimate Strangers
  type: MusicAlbum
  date published: 2021-12-03
album: Intimate Strangers
  type: MusicAlbum
  date published: 2021-12-03
album: Labor
  type: MusicAlbum
  date published: 2024-11-01
album: Encounters and Collisions
  type: MusicAlbum
  date published: 2024-11-15
  track: Things Must Move Quickly
  track: Language

Things Must Move Quickly
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duration: PT3M47S
duration ms: 227813
explicit: false
by artist: Sara Serpa
in album: Encounters and Collisions
  type: MusicAlbum
  date published: 2024-11-15
genre: jazz
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additional property: CopyrightStatus
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additional property: OTSTimestamp
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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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a04e584346a525c960f84065c83cd7430e29ce0448378564d41c91217a3a50e. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK5F2400006.
  date published: 2026-07-08T08:56:20Z
audio: Things Must Move Quickly
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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: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Language
type: MusicRecording
duration: PT5M36S
duration ms: 336852
explicit: false
by artist: Sara Serpa
in album: Encounters and Collisions
  type: MusicAlbum
  date published: 2024-11-15
genre: jazz
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x407d97c0c0019df67e9d2738a11f65420059f060e1621397ea1f710d81d83a67. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/QZK5F2400001.
  date published: 2026-07-31T13:04:34Z
audio: Language
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    type: PropertyValue
    value: F
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    type: PropertyValue
    value: Major
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additional property: ProofProfileEvidenceStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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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