Sharkmuffin
type: MusicGroup
genre: indie punk
description: Sharkmuffin is an independent DIY rock band from New York City. History Sharkmuffin is a garage rock "glam grunge" trio from Brooklyn, New York City, New York. The band is composed of guitarist and v
popularity: 7
followers: 2997
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52f2fdb4cd8072d61060472b1a778f700bfc41ca02c394d5fc45f56012b40c35
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954623
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954623
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cb1ce07f-6029-40d2-9952-17f234a1ebb3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cb1ce07f-6029-40d2-9952-17f234a1ebb3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/cb1ce07f-6029-40d2-9952-17f234a1ebb3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T23:40:06Z
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 0x52f2fdb4cd8072d61060472b1a778f700bfc41ca02c394d5fc45f56012b40c35. Chain 2 (Bitcoin): anchored in block 954623 (2026-06-20T23:40:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cb1ce07f-6029-40d2-9952-17f234a1ebb3.json and https://artists.proofprofile.net/proofs/artist/cb1ce07f-6029-40d2-9952-17f234a1ebb3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T23:40:06Z
album: Sharkmuffin S / T
  type: MusicAlbum
  date published: 2013-03-01
album: S/T
  type: MusicAlbum
  date published: 2013-03-01
album: She-Gods of Champagne Valley
  type: MusicAlbum
  date published: 2013-04-23
album: She-Gods of Champagne Valley
  type: MusicAlbum
  date published: 2013-04-27
album: 1097
  type: MusicAlbum
  date published: 2013-10-23
album: 1097
  type: MusicAlbum
  date published: 2014-10-23
album: Mondays
  type: MusicAlbum
  date published: 2015-07-10
album: Chartreuse
  type: MusicAlbum
  date published: 2015-08-07
album: Chartreuse
  type: MusicAlbum
  date published: 2015-08-07
  track: Chartreuse
    type: MusicRecording
    duration: PT1M42S
    duration ms: 102000
    explicit: false
    by artist: Sharkmuffin
    in album: Chartreuse
      type: MusicAlbum
      date published: 2015-08-07
    genre: indie punk
    isrc code: QM6MZ1524074
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
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      type: PropertyValue
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958420
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6MZ1524074
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T13:33:01Z
    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 0x5d06877f35b3f3b86a844f3c271b5b1b62e59b209e310c0de7bd20c842d8bfed. Chain 2 (Bitcoin): anchored in block 958420 (2026-07-17T13:33:01Z), 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/QM6MZ1524074.
      date published: 2026-07-17T13:33:01Z
    audio: Chartreuse
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 83.007
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.39
      additional property: Energy
        type: PropertyValue
        value: 0.747
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.825
      additional property: Liveness
        type: PropertyValue
        value: 0.265
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.737
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.889
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Red
  type: MusicAlbum
  date published: 2016-02-12
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  type: MusicAlbum
  date published: 2016-02-12
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2017-03-06
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2019-04-05

Gamma Gardening
type: MusicAlbum
date published: 2019-04-05

Gamma Gardening
type: MusicAlbum
date published: 2019-04-05