Henry Playford
type: MusicGroup
description: Henry Playford (1657 – c. 1707) was an English music publisher, the younger son and only known surviving child of John Playford, with whom he entered business. His father died around 1686, but for so
popularity: 2
followers: 37
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 0xee76c379cf9ab740ed51f0e19cd406af16edab5a2f27427b4106b65026b2308c. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/97502d11-0503-4275-b291-b53441ffb339.json and https://artists.proofprofile.net/proofs/artist/97502d11-0503-4275-b291-b53441ffb339.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
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track: Lumps of Pudding (Arr. for Baroque ensemble by The Playfords)
track: Mrs Savages Whim (Arr. for Renaissance ensemble by The Playfords)
track: Twas o'er the Hills and far away (Arr. for Baroque ensemble by The Playfords)
track: Cook's Humour (Arr. for Baroque ensemble by The Playfords)

Lumps of Pudding (Arr. for Baroque ensemble by The Playfords)
type: MusicRecording
duration: PT4M40S
duration ms: 280840
explicit: false
by artist: Henry Playford
by artist: Playfords
in album: Garlic & Onions
  type: MusicAlbum
  date published: 2023-07-28
isrc code: DEE472300295
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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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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1e248e74ed2a1fe5523684daa8098ac15403eddb9307ec3c0f02f51eeb293b8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/DEE472300295.
  date published: 2026-07-08T03:22:41Z
audio: Lumps of Pudding (Arr. for Baroque ensemble by The Playfords)
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    value: 0
  additional property: Time Signature
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    value: 5
  additional property: Danceability
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    value: 0.426
  additional property: Energy
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    value: 0.306
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  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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    value: 0.661
  additional property: Loudness (dB)
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    value: -15.269
  additional property: Key Name
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    value: Eb
  additional property: Mode Name
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    value: Minor

Mrs Savages Whim (Arr. for Renaissance ensemble by The Playfords)
type: MusicRecording
duration: PT4M11S
duration ms: 251826
explicit: false
by artist: Henry Playford
by artist: Playfords
in album: Garlic & Onions
  type: MusicAlbum
  date published: 2023-07-28
isrc code: DEE472300304
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additional property: CopyrightStatus
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additional property: OTSTimestamp
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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
additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3326a8913ab0b03fef117a8488c65ae5903c49efce1e434171f2427f6222f78a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/DEE472300304.
  date published: 2026-07-08T03:20:19Z
audio: Mrs Savages Whim (Arr. for Renaissance ensemble by The Playfords)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 91.124
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    value: 10
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  additional property: Time Signature
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    value: 5
  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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Twas o'er the Hills and far away (Arr. for Baroque ensemble by The Playfords)
type: MusicRecording
duration: PT5M17S
duration ms: 317120
explicit: false
by artist: Henry Playford
by artist: Playfords
in album: Garlic & Onions
  type: MusicAlbum
  date published: 2023-07-28
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9be0aa2ca02f1e574d96c66aaca1c2d6739ede3ab55a876fd70b8fecd91c55f. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/DEE472300289.
  date published: 2026-07-29T22:48:59Z
audio: Twas o'er the Hills and far away (Arr. for Baroque ensemble by The Playfords)
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  additional property: Tempo (BPM)
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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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    value: Minor
isrc code: DEE472300289
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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

Cook's Humour (Arr. for Baroque ensemble by The Playfords)
type: MusicRecording
duration: PT1M12S
duration ms: 72000
explicit: false
by artist: Henry Playford
by artist: Playfords
in album: Garlic & Onions
  type: MusicAlbum
  date published: 2023-07-28
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7591622a28c9f2cae0fcef984358c3e012673bf40d3fcd7170bc39490bc4442. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/DEE472300292.
  date published: 2026-07-30T10:42:33Z
audio: Cook's Humour (Arr. for Baroque ensemble by The Playfords)
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  additional property: Danceability
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  additional property: Energy
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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: Liveness
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  additional property: Loudness (dB)
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    value: -14.54
  additional property: Key Name
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    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEE472300292
additional property: CopyrightID
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additional property: OTSHash
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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