The Mummers
type: MusicGroup
genre: baroque pop
genre: chamber pop
description: The Mummers are a band based in the English coastal city of Brighton, centred on London-born singer/songwriter Raissa Khan-Panni, composer Mark Horwood (before taking his own life in September 2009),
popularity: 6
followers: 2181
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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 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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd86e26a08459a1b4fe145209c5e31b7c9d6895911ee71293a038a99bd6b60bff. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f1a16a34-dfa1-48b8-a389-e07757d8e05e.json and https://artists.proofprofile.net/proofs/artist/f1a16a34-dfa1-48b8-a389-e07757d8e05e.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-21T13:42:37Z
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album: 2 Survivors
  type: MusicAlbum
  date published: 2003-07-08
album: Tale to Tell
  type: MusicAlbum
  date published: 2009-04-06
  track: March of the Dawn
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214853
    explicit: false
    by artist: The Mummers
    in album: Tale to Tell
      type: MusicAlbum
      date published: 2009-04-06
    genre: baroque pop
    genre: chamber pop
    isrc code: GBXHD0800002
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T10:04:33Z
    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 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
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a7fab7bb66a4c104d2283d4a05e1b7a1ae97dfdfb429456ef2069f7e6353a00. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBXHD0800002 — a six-check JSON result.
      date published: 2026-07-04T10:04:33Z
    audio: March of the Dawn
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 82.541
      additional property: Musical Key
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        value: 5
      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
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        value: 4
      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: 0.381
      additional property: Instrumentalness
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        value: 0.014
      additional property: Liveness
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        value: 0.066
      additional property: Valence (Positivity)
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        value: 0.576
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.6
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Mink Hollow Road
  type: MusicAlbum
  date published: 2011-01-23
album: Mink Hollow Road
  type: MusicAlbum
  date published: 2011-01-23
album: No Place Like Home
  type: MusicAlbum
  date published: 2020-07-03