The Grass Cats
type: MusicGroup
genre: bluegrass
genre: newgrass
popularity: 16
followers: 2031
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9a43139f935cc3c08c7405f8cb6e1fa17ad4c890fb82541188ad2c9e79401de7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953724
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953724
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8e2082a5-d2ec-4bfb-a520-92c2f5365009.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8e2082a5-d2ec-4bfb-a520-92c2f5365009.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8e2082a5-d2ec-4bfb-a520-92c2f5365009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T01:43:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9a43139f935cc3c08c7405f8cb6e1fa17ad4c890fb82541188ad2c9e79401de7","name":"The Grass Cats","registered_at":"2026-06-14T19:21:43Z","symbol":"NIM0551594","token_address":"0x73bcf38ae1402e7193c8fc0fc2b27b80144e7f20","type":"artist","uuid":"8e2082a5-d2ec-4bfb-a520-92c2f5365009"}
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 0x9a43139f935cc3c08c7405f8cb6e1fa17ad4c890fb82541188ad2c9e79401de7. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8e2082a5-d2ec-4bfb-a520-92c2f5365009.json and https://artists.proofprofile.net/proofs/artist/8e2082a5-d2ec-4bfb-a520-92c2f5365009.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
  text: {"copyright_id":"0x9a43139f935cc3c08c7405f8cb6e1fa17ad4c890fb82541188ad2c9e79401de7","name":"The Grass Cats","registered_at":"2026-06-14T19:21:43Z","symbol":"NIM0551594","token_address":"0x73bcf38ae1402e7193c8fc0fc2b27b80144e7f20","type":"artist","uuid":"8e2082a5-d2ec-4bfb-a520-92c2f5365009"}
album: The Blues Are Back in Town
  type: MusicAlbum
  date published: 2002-06-29
album: Desperate Times
  type: MusicAlbum
  date published: 2004-06-29
album: A Good Way To Get The Blues
  type: MusicAlbum
  date published: 2009-09-01
album: The Mountains My Baby and Me
  type: MusicAlbum
  date published: 2012-09-03
  track: The Mountains My Baby and Me
    type: MusicRecording
    duration: PT2M52S
    duration ms: 172280
    explicit: false
    by artist: The Grass Cats
    in album: The Mountains My Baby and Me
      type: MusicAlbum
      date published: 2012-09-03
    genre: bluegrass
    genre: newgrass
    isrc code: QMNJS1200001
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-12T19:46:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc5ab9234785e08e4055920991473311dea22efb517ad20a425ad25b1bc6ef7df
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957750
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957750
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMNJS1200001
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-12T20:39:38Z
    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 0xc5ab9234785e08e4055920991473311dea22efb517ad20a425ad25b1bc6ef7df. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/QMNJS1200001.
      date published: 2026-07-12T20:39:38Z
    audio: The Mountains My Baby and Me
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 126.868
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.675
      additional property: Energy
        type: PropertyValue
        value: 0.678
      additional property: Speechiness
        type: PropertyValue
        value: 0.029
      additional property: Acousticness
        type: PropertyValue
        value: 0.372
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.308
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.891
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.865
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Blowin' in the Wind
    type: MusicRecording
    duration: PT2M53S
    duration ms: 173480
    explicit: false
    by artist: The Grass Cats
    in album: The Mountains My Baby and Me
      type: MusicAlbum
      date published: 2012-09-03
    genre: bluegrass
    genre: newgrass
    isrc code: QMNJS1200005
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T08:27:09+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe8f69fea505b4a308a8c14fc1defa3d0bf103e26f7a4a578c0b8979daf6e30e0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958991
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958991
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMNJS1200005
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T11:29:43Z
    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 0xe8f69fea505b4a308a8c14fc1defa3d0bf103e26f7a4a578c0b8979daf6e30e0. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T11:29:43Z), 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/QMNJS1200005.
      date published: 2026-07-21T11:29:43Z
    audio: Blowin' in the Wind
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 98.784
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.608
      additional property: Energy
        type: PropertyValue
        value: 0.619
      additional property: Speechiness
        type: PropertyValue
        value: 0.029
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: The Old School Road

Acousticness
type: PropertyValue
value: 0.512

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.339

Valence (Positivity)
type: PropertyValue
value: 0.805

Loudness (dB)
type: PropertyValue
value: -7.057

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major

The Old School Road
type: MusicAlbum
date published: 2015-02-01