Layng Martine Jr.
type: MusicGroup
genre: americana
description: James Layng Martine Jr. (born March, 1942) is an American songwriter whose compositions have appeared on the country and pop music charts over a four-decade span beginning in the late 1960s. His songs
popularity: 4
followers: 245
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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 0x5305d7a09b748ae20904252c9ba30a1aaea7734b72c3468ec85fa0c1dea4887d. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ca29fec3-8a45-4f2d-a261-ab6790857970.json and https://artists.proofprofile.net/proofs/artist/ca29fec3-8a45-4f2d-a261-ab6790857970.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
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album: Music Man
  type: MusicAlbum
  date published: 2023-01-10
album: Surabian Lament
  type: MusicAlbum
  date published: 2023-02-09
album: Let The World Go By
  type: MusicAlbum
  date published: 2023-03-01
album: Love You Back To Georgia
  type: MusicAlbum
  date published: 2023-04-20
album: Music Man
  type: MusicAlbum
  date published: 2023-05-19
  track: Try Me Again
    type: MusicRecording
    duration: PT3M1S
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    explicit: false
    by artist: Layng Martine Jr.
    in album: Music Man
      type: MusicAlbum
      date published: 2023-05-19
    genre: americana
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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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0e4a49b4a1701853c8ac13afec4c909ccc17d42240fe867bfc7001674bdb7a8. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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/QZR8K2231004.
      date published: 2026-07-19T22:55:52Z
    audio: Try Me Again
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
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      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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      additional property: Instrumentalness
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      additional property: Liveness
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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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        value: C
      additional property: Mode Name
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        value: Major