Sydney
type: MusicGroup
description: Sydney is the capital city of the state of New South Wales, and is the most populous city in Australia. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about fr
popularity: 10
followers: 2593
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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: 2026-06-20T08:57:02Z
album: Sydney
  type: MusicAlbum
  date published: 1991-03-20
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album: Family Affair
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album: Physical Motion
  type: MusicAlbum
  date published: 2014-08-25
album: Greatest Hits
  type: MusicAlbum
  date published: 2015-05-29
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      date published: 2015-05-29
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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: 2026-07-20T09:45:25Z
    audio: My Baby
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  track: Mamas Baby (2004 Remake)
album: We Are Changing
album: Body Music Pres. By Sydney
album: Comitiva Sem Limites
album: I Got It
track: Penelopea

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Mamas Baby (2004 Remake)
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by artist: Sydney
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T16:51:38Z
audio: Mamas Baby (2004 Remake)
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We Are Changing
type: MusicAlbum
date published: 2015-06-01

Body Music Pres. By Sydney
type: MusicAlbum
date published: 2015-06-26

Comitiva Sem Limites
type: MusicAlbum
date published: 2018-08-08

I Got It
type: MusicAlbum
date published: 2019-03-15

Penelopea
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duration: PT4M31S
duration ms: 271444
explicit: false
by artist: Temam
by artist: Sydney Chapman
by artist: Sydney
in album: Soul Music 2020
  type: MusicAlbum
  date published: 2020-10-23
isrc code: GB6TC2075002
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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: 2026-07-30T04:47:22Z
audio: Penelopea
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