Zachary David
type: MusicGroup
description: Zachary David (born 14 August 2007) is a Filipino racing driver who competes in Super Formula Lights for B-Max and part-time in the Formula Regional European Championship for CL Motorsport. David liv
popularity: 21
followers: 977
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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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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album: Zachary David
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  date published: 2012-01-01
album: Albeit
  type: MusicAlbum
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album: Highways
  type: MusicAlbum
  date published: 2016-01-01
album: Chasing Rabbits
  type: MusicAlbum
  date published: 2016-07-11
album: Breaking the Delusion of Control
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  date published: 2016-10-12
album: Sequoia
  type: MusicAlbum
  date published: 2017-09-26
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      date published: 2017-09-26
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-05T10:59:37Z
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album: Home Movies
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album: Somnium
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      date published: 2026-07-21T03:25:02Z
    audio: Somnium
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      additional property: Danceability
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      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
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album: Somnium, Part II
album: The Light (Ambient Version)
album: The Light (Piano Version)
album: The Light (String Version)
album: The Light
album: A Memory
album: A Memory (Ambient Version)
album: Glow (Ambient Version)
album: Glow (Piano Version)
album: Everything All at Once
album: Oliver
album: Celestial
album: Moon
album: Canyon
album: Endure
album: Summit
album: Ascend
album: Dawn

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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Mode Name
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Somnium, Part II
type: MusicAlbum
date published: 2021-01-13

Somnium
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date published: 2021-02-03
track: Somnium, Part I (Piano Version)
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  in album: Somnium
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8262832c7992528982561436fe8dbf4b1504fa3d54c2357a8368453b6a6a7b0e. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/TCAFH2073429.
    date published: 2026-07-05T10:01:46Z
  audio: Somnium, Part I (Piano Version)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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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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      type: PropertyValue
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The Light (Ambient Version)
type: MusicAlbum
date published: 2021-02-24

The Light (Piano Version)
type: MusicAlbum
date published: 2021-03-17

The Light (String Version)
type: MusicAlbum
date published: 2021-04-07

The Light
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date published: 2021-04-21
track: The Light (Ambient Version)
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    date published: 2021-04-21
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    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05ba67ecbe0ab4b5bea5dbb1a0685617eb234b56aa369618765efeacf26fd60c. Chain 2 (Bitcoin): anchored in block 959001 (2026-07-21T13:50:42Z), 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/TCAFJ2191854.
    date published: 2026-07-21T13:50:42Z
  audio: The Light (Ambient Version)
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    additional property: Key Name
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    additional property: Mode Name
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A Memory
type: MusicAlbum
date published: 2021-05-12

A Memory (Ambient Version)
type: MusicAlbum
date published: 2021-05-26

A Memory
type: MusicAlbum
date published: 2021-06-09

Glow (Ambient Version)
type: MusicAlbum
date published: 2021-07-07

Glow (Piano Version)
type: MusicAlbum
date published: 2021-08-04

Everything All at Once
type: MusicAlbum
date published: 2021-08-25

Oliver
type: MusicAlbum
date published: 2022-06-09
track: Oliver
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  duration: PT4M53S
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  in album: Oliver
    type: MusicAlbum
    date published: 2022-06-09
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa97f52e752cfe9cd9dc1e18fb0b686f9967861fc076790e5cfd565d761094498. Chain 2 (Bitcoin): anchored in block 958680 (2026-07-19T06:04:14Z), 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/QZN882234066.
    date published: 2026-07-19T06:04:14Z
  audio: Oliver
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    additional property: Musical Key
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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: Loudness (dB)
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Celestial
type: MusicAlbum
date published: 2022-08-25

Moon
type: MusicAlbum
date published: 2022-09-22

Canyon
type: MusicAlbum
date published: 2023-02-02

Endure
type: MusicAlbum
date published: 2023-02-23

Summit
type: MusicAlbum
date published: 2023-04-27

Ascend
type: MusicAlbum
date published: 2023-05-25

Dawn
type: MusicAlbum
date published: 2023-06-22