Contour
type: MusicGroup
description: The Comet Nucleus Tour (CONTOUR) was a NASA Discovery-class space probe that failed shortly after its July 2002 launch. It was the only Discovery mission to fail. The two comets scheduled to be visit
popularity: 12
followers: 869
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50006179e3df066eb84971247b8efee7829e65ad312f45cb39e49e12dafefe40
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953717
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953717
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/880cbdb0-65e2-4a7d-a7aa-82a6e1fc559e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/880cbdb0-65e2-4a7d-a7aa-82a6e1fc559e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/880cbdb0-65e2-4a7d-a7aa-82a6e1fc559e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T01:05:33Z
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 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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50006179e3df066eb84971247b8efee7829e65ad312f45cb39e49e12dafefe40. Chain 2 (Bitcoin): anchored in block 953717 (2026-06-15T01:05:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/880cbdb0-65e2-4a7d-a7aa-82a6e1fc559e.json and https://artists.proofprofile.net/proofs/artist/880cbdb0-65e2-4a7d-a7aa-82a6e1fc559e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T01:05:33Z
album: Diverge
  type: MusicAlbum
  date published: 2013-07-22
album: Above You
  type: MusicAlbum
  date published: 2019-09-13
album: Sidelines
  type: MusicAlbum
  date published: 2020-01-17
album: Seven Nation Army
  type: MusicAlbum
  date published: 2020-02-21
album: Feral
  type: MusicAlbum
  date published: 2020-04-03
album: Science
  type: MusicAlbum
  date published: 2020-06-05
album: Sweet Comfortable Nothings
  type: MusicAlbum
  date published: 2021-06-18
album: The Lighthouse and the Sea
  type: MusicAlbum
  date published: 2021-09-21
album: Caricature
  type: MusicAlbum
  date published: 2023-07-05
album: Shut Your Mouth
  type: MusicAlbum
  date published: 2023-08-29
  track: Shut Your Mouth
    type: MusicRecording
    duration: PT3M1S
    duration ms: 181892
    explicit: false
    by artist: Contour
    in album: Shut Your Mouth
      type: MusicAlbum
      date published: 2023-08-29
    isrc code: QZNWZ2351184
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T11:35:21+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2d06b1b1fdd2d6bbecccdd37cbff1c87283f6f953e854403b2e79d7465a86220
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956545
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956545
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWZ2351184
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    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
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d06b1b1fdd2d6bbecccdd37cbff1c87283f6f953e854403b2e79d7465a86220. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZNWZ2351184.
      date published: 2026-07-03T19:59:51Z
    audio: Shut Your Mouth
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 114.003
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.538
      additional property: Energy
        type: PropertyValue
        value: 0.713
      additional property: Speechiness
        type: PropertyValue
        value: 0.079
      additional property: Acousticness
        type: PropertyValue
        value: 0.001
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.339
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.564
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.047
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Death of a Friend
  type: MusicAlbum
  date published: 2023-09-13
album: I Can See How This Ends
  type: MusicAlbum
  date published: 2023-09-28