Devonsquare
type: MusicGroup
description: Devonsquare is the name of a music group of three singer-songwriters from Maine and New Hampshire: Alana MacDonald, Tom Dean, and Herb Ludwig (1947-2005) formed in 1976. The band has toured the US and
popularity: 5
followers: 331
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb599daaedb0e1f8eb6da67fa97b259d7a8598bd7fb5cbb2149c572f62179b7b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953899
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953899
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/12bc38af-f1e8-412a-86ec-cc7fda12582c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/12bc38af-f1e8-412a-86ec-cc7fda12582c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/12bc38af-f1e8-412a-86ec-cc7fda12582c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T06:37:25Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb599daaedb0e1f8eb6da67fa97b259d7a8598bd7fb5cbb2149c572f62179b7b. Chain 2 (Bitcoin): anchored in block 953949 (2026-06-16T13:28:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/12bc38af-f1e8-412a-86ec-cc7fda12582c.json and https://artists.proofprofile.net/proofs/artist/12bc38af-f1e8-412a-86ec-cc7fda12582c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T13:28:01Z
album: Bye Bye Route 66
  type: MusicAlbum
  date published: 1991
  track: If You Could See Me Now
    type: MusicRecording
    duration: PT3M46S
    duration ms: 226066
    explicit: false
    by artist: Devonsquare
    in album: Bye Bye Route 66
      type: MusicAlbum
      date published: 1991
    isrc code: USCGH0594015
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T14:36:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x394353ea16720a44d6e79c6882363033578c5f5751aea3b6c5c5ac1981d34546
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958169
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958169
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH0594015
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T17:40:01Z
    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 0x394353ea16720a44d6e79c6882363033578c5f5751aea3b6c5c5ac1981d34546. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T17:40:01Z), 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/USCGH0594015.
      date published: 2026-07-15T17:40:01Z
    audio: If You Could See Me Now
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 121.888
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.621
      additional property: Energy
        type: PropertyValue
        value: 0.689
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.026
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.017
      additional property: Liveness
        type: PropertyValue
        value: 0.118
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.62
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.036
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: (DEVON)2 Compilation CD
  type: MusicAlbum
  date published: 1993-01-01
album: Industrial Twilight
  type: MusicAlbum
  date published: 1996-01-25