John Hartford
type: MusicGroup
genre: americana
genre: bluegrass
genre: newgrass
popularity: 40
followers: 47386
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7bfaf31011f42a75ea007ed070610567cde75c8bd3d549b943120f9bbf942976
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/86397db0-9880-4e74-be81-1cc3c1f6e035.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/86397db0-9880-4e74-be81-1cc3c1f6e035.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/86397db0-9880-4e74-be81-1cc3c1f6e035
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7bfaf31011f42a75ea007ed070610567cde75c8bd3d549b943120f9bbf942976","name":"John Hartford","registered_at":"2026-06-12T03:32:58Z","symbol":"NIM0174141","token_address":"0x65bc81b9d1d577b2352bb6300b4f18f359814b72","type":"artist","uuid":"86397db0-9880-4e74-be81-1cc3c1f6e035"}
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 → block must exist at that height 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 0x7bfaf31011f42a75ea007ed070610567cde75c8bd3d549b943120f9bbf942976. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/86397db0-9880-4e74-be81-1cc3c1f6e035.json and https://artists.proofprofile.net/proofs/artist/86397db0-9880-4e74-be81-1cc3c1f6e035.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x7bfaf31011f42a75ea007ed070610567cde75c8bd3d549b943120f9bbf942976","name":"John Hartford","registered_at":"2026-06-12T03:32:58Z","symbol":"NIM0174141","token_address":"0x65bc81b9d1d577b2352bb6300b4f18f359814b72","type":"artist","uuid":"86397db0-9880-4e74-be81-1cc3c1f6e035"}
album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
  track: Streetcar
    type: MusicRecording
    duration: PT3M56S
    duration ms: 236453
    explicit: false
    by artist: John Hartford
    in album: Morning Bugle
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: USWB11102419
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-24T10:44:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa9e52812e4e2351ff6f566ad5b2cad59b2770e983ed5bca4994c24f4f7a826d9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956312
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956312
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/2wlH9Vx8SofztPTsNKJAUo.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wlH9Vx8SofztPTsNKJAUo
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T05:09:12Z
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa9e52812e4e2351ff6f566ad5b2cad59b2770e983ed5bca4994c24f4f7a826d9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2wlH9Vx8SofztPTsNKJAUo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wlH9Vx8SofztPTsNKJAUo.
      date published: 2026-07-02T05:09:12Z
  track: Nobody Eats at Linebaugh's Anymore
    type: MusicRecording
    duration: PT4M52S
    duration ms: 292986
    explicit: false
    by artist: John Hartford
    in album: Morning Bugle
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: USWB11102420
  track: Howard Hughes' Blues
    type: MusicRecording
    duration: PT2M51S
    duration ms: 171173
    explicit: false
    by artist: John Hartford
    in album: Morning Bugle
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: USWB11102421
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-23T01:53:05+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4966bc5a39332bed28db24d03a3033f60c3e401a78c4e503889b92a206f68914
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956312
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956312
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/1YQ9d3si2Wo40tZF4YKT1Z.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1YQ9d3si2Wo40tZF4YKT1Z
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T05:09:12Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x4966bc5a39332bed28db24d03a3033f60c3e401a78c4e503889b92a206f68914","isrc":"USWB11102421","name":"Howard Hughes' Blues","registered_at":"2026-06-23T01:53:05Z","spotify_id":"1YQ9d3si2Wo40tZF4YKT1Z","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4966bc5a39332bed28db24d03a3033f60c3e401a78c4e503889b92a206f68914. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1YQ9d3si2Wo40tZF4YKT1Z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1YQ9d3si2Wo40tZF4YKT1Z.
      date published: 2026-07-02T05:09:12Z
      text: {"copyright_id":"0x4966bc5a39332bed28db24d03a3033f60c3e401a78c4e503889b92a206f68914","isrc":"USWB11102421","name":"Howard Hughes' Blues","registered_at":"2026-06-23T01:53:05Z","spotify_id":"1YQ9d3si2Wo40tZF4YKT1Z","type":"track"}
  track: All Fall Down
    type: MusicRecording
    duration: PT3M15S
    duration ms: 195426
    explicit: false
    by artist: John Hartford
    in album: Morning Bugle
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: USWB11102422
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-08T19:31:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x00f15b9e74bf7bf949653e03946c4b25682c7e9cc3b5c2d6910ede447e5c1ad8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953520
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953520
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/5QAt9bHGHipTaZ74vRFeXx.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5QAt9bHGHipTaZ74vRFeXx
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T13:32:09Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x00f15b9e74bf7bf949653e03946c4b25682c7e9cc3b5c2d6910ede447e5c1ad8","isrc":"USWB11102422","name":"All Fall Down","registered_at":"2026-06-08T19:31:38Z","spotify_id":"5QAt9bHGHipTaZ74vRFeXx","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x00f15b9e74bf7bf949653e03946c4b25682c7e9cc3b5c2d6910ede447e5c1ad8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5QAt9bHGHipTaZ74vRFeXx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5QAt9bHGHipTaZ74vRFeXx.
      date published: 2026-06-13T13:32:09Z
      text: {"copyright_id":"0x00f15b9e74bf7bf949653e03946c4b25682c7e9cc3b5c2d6910ede447e5c1ad8","isrc":"USWB11102422","name":"All Fall Down","registered_at":"2026-06-08T19:31:38Z","spotify_id":"5QAt9bHGHipTaZ74vRFeXx","type":"track"}
  track: On the Road
    type: MusicRecording
    duration: PT3M47S
    duration ms: 227053
    explicit: false
    by artist: John Hartford
    in album: Morning Bugle
      type: MusicAlbum
      date published: 1970-01-01
    isrc code: USWB11102423
    additional property: CopyrightID
    additional property: CopyrightStatus
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSRecordURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: Morning Bugle
  track: Old Joe Clark
  track: My Rag
  track: Late Last Night My Willie Came Home
  track: Got No Place to Go
  track: Bye Bye
album: Steamboat Whistle Blues (Live, Bremen, 1977)
album: Telluride Bluegrass Festival (Live 1987)
album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
album: Home Made Sugar and a Puncheon Floor
album: Goin Back to Dixie
album: Good'le Days: Essential Recordings
album: No End Of Love
album: Walls We Bounce Off Of
album: Steam Powered Aereo-Takes
album: RCA Country Legends: John Hartford
album: Live From Mountain Stage
album: Retrograss
album: Good Old Boys
album: Wild Hog In The Red Brush
album: The Fun Of Open Discussion
album: Old Sport: Texas Shorty and John Hartford
album: Live At College Station Pennsylvania
album: Cadillac Rag
album: Hartford & Hartford
album: Down On The River
album: Mark Twang
album: Radio John
album: Aereo-Plain Band
album: Aereo-Plain
album: Iron Mountain Depot
album: John Hartford
album: Gentle on My Mind and Other Originals By John Hartford
album: The Love Album
album: Housing Project
album: Looks at Life
album: Earthwords & Music
album: Looks At Life/Earthwords And Music
album: Joseph's Dream
track: All Fall Down
track: Morning Bugle
track: Howard Hughes' Blues
track: Streetcar
track: On the Road
track: Midnight On the Water
track: My Rag
track: Old Joe Clark
track: Nickajacks Lament
track: Nobody Eats at Linebaugh's Anymore
track: Arthur Smith's Twinkle Little Star
track: Late Last Night My Willie Came Home
track: Got No Place to Go
track: Bye Bye
track: Run Little Rabbit
track: Miller Reel
track: Salt River
track: Laughing Boy
track: All American Rodeo Reel
track: Cadillac Rag

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-24T12:52:10+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xc471385567743b66f3f6d223a74d5aab9bc500e2cc3a4198c6adc59edbed7999

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956304

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/956304

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/1ihlhCsLWnJiuFAZBEPwm5.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ihlhCsLWnJiuFAZBEPwm5

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xc471385567743b66f3f6d223a74d5aab9bc500e2cc3a4198c6adc59edbed7999","isrc":"USWB11102423","name":"On the Road","registered_at":"2026-06-24T12:52:10Z","spotify_id":"1ihlhCsLWnJiuFAZBEPwm5","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc471385567743b66f3f6d223a74d5aab9bc500e2cc3a4198c6adc59edbed7999. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ihlhCsLWnJiuFAZBEPwm5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ihlhCsLWnJiuFAZBEPwm5.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0xc471385567743b66f3f6d223a74d5aab9bc500e2cc3a4198c6adc59edbed7999","isrc":"USWB11102423","name":"On the Road","registered_at":"2026-06-24T12:52:10Z","spotify_id":"1ihlhCsLWnJiuFAZBEPwm5","type":"track"}

Morning Bugle
type: MusicRecording
duration: PT2M24S
duration ms: 144693
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102424
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T02:00:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd6ff48c8980c358eed4faa888c1fc0a78b67e97a9d2f9b858d961f8c28e69b9f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0Av9fZuWfzlJHR2SYA1j7c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Av9fZuWfzlJHR2SYA1j7c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd6ff48c8980c358eed4faa888c1fc0a78b67e97a9d2f9b858d961f8c28e69b9f","isrc":"USWB11102424","name":"Morning Bugle","registered_at":"2026-06-23T02:00:20Z","spotify_id":"0Av9fZuWfzlJHR2SYA1j7c","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd6ff48c8980c358eed4faa888c1fc0a78b67e97a9d2f9b858d961f8c28e69b9f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Av9fZuWfzlJHR2SYA1j7c.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Av9fZuWfzlJHR2SYA1j7c.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xd6ff48c8980c358eed4faa888c1fc0a78b67e97a9d2f9b858d961f8c28e69b9f","isrc":"USWB11102424","name":"Morning Bugle","registered_at":"2026-06-23T02:00:20Z","spotify_id":"0Av9fZuWfzlJHR2SYA1j7c","type":"track"}

Old Joe Clark
type: MusicRecording
duration: PT5M53S
duration ms: 353160
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102425
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T17:58:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x702046bf346d9b8b034c521e9dd0105837bfbcf5b86eb9edad97e134734112b8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2sDVI0ndTvx4pR9vFUovGF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2sDVI0ndTvx4pR9vFUovGF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x702046bf346d9b8b034c521e9dd0105837bfbcf5b86eb9edad97e134734112b8","isrc":"USWB11102425","name":"Old Joe Clark","registered_at":"2026-06-25T17:58:06Z","spotify_id":"2sDVI0ndTvx4pR9vFUovGF","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x702046bf346d9b8b034c521e9dd0105837bfbcf5b86eb9edad97e134734112b8. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2sDVI0ndTvx4pR9vFUovGF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2sDVI0ndTvx4pR9vFUovGF.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x702046bf346d9b8b034c521e9dd0105837bfbcf5b86eb9edad97e134734112b8","isrc":"USWB11102425","name":"Old Joe Clark","registered_at":"2026-06-25T17:58:06Z","spotify_id":"2sDVI0ndTvx4pR9vFUovGF","type":"track"}

My Rag
type: MusicRecording
duration: PT3M41S
duration ms: 221026
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102426
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:42:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x61b8b4b169d50ec1d5de7cb5b6da6423c3040ec9fde4abfefd9bab39be5ea1c7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5PAzbQmK5sBohqzvRwsykY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5PAzbQmK5sBohqzvRwsykY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x61b8b4b169d50ec1d5de7cb5b6da6423c3040ec9fde4abfefd9bab39be5ea1c7","isrc":"USWB11102426","name":"My Rag","registered_at":"2026-06-24T10:42:16Z","spotify_id":"5PAzbQmK5sBohqzvRwsykY","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x61b8b4b169d50ec1d5de7cb5b6da6423c3040ec9fde4abfefd9bab39be5ea1c7. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5PAzbQmK5sBohqzvRwsykY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5PAzbQmK5sBohqzvRwsykY.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x61b8b4b169d50ec1d5de7cb5b6da6423c3040ec9fde4abfefd9bab39be5ea1c7","isrc":"USWB11102426","name":"My Rag","registered_at":"2026-06-24T10:42:16Z","spotify_id":"5PAzbQmK5sBohqzvRwsykY","type":"track"}

Late Last Night My Willie Came Home
type: MusicRecording
duration: PT3M17S
duration ms: 197133
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB10200392

Got No Place to Go
type: MusicRecording
duration: PT4M20S
duration ms: 260666
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102427

Bye Bye
type: MusicRecording
duration: PT3M20S
duration ms: 200640
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB10001483

Steamboat Whistle Blues (Live, Bremen, 1977)
type: MusicAlbum
date published: 2021-07-30
track: Buffalo Gals - Live, Bremen, 1977
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164736
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000513
track: Skippin' in the Mississippi Dew - Live, Bremen, 1977
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275392
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000514
track: Don't Leave Your Records in the Sun - Live, Bremen, 1977
  type: MusicRecording
  duration: PT2M23S
  duration ms: 143105
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000515
track: Gentle on My Mind - Live, Bremen, 1977
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245869
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000516
track: I Would Not Be Here - Live, Bremen, 1977
  type: MusicRecording
  duration: PT1M50S
  duration ms: 110186
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000517
track: Waugh Paugh - Live, Bremen, 1977
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185528
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000518
track: Nobody Eats the Linebaugh's Anymore - Live, Bremen, 1977
  type: MusicRecording
  duration: PT6M24S
  duration ms: 384326
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000519
track: Salty Dog Blues - Live, Bremen, 1977
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268426
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000520
track: Turn Your Radio On - Live, Bremen, 1977
  type: MusicRecording
  duration: PT8M44S
  duration ms: 524234
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000521
track: Orange Blossom Special - Live, Bremen, 1977
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217386
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000522
track: Granny Wontcha Smoke Some Marihuana - Live, Bremen, 1977
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194506
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000523
track: A Simple Thing as Love - Live, Bremen, 1977
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254432
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000524
track: Tryin' to Do Something to Get Your Attention - Live, Bremen, 1977
  type: MusicRecording
  duration: PT6M9S
  duration ms: 369920
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000525
track: You Know, You Know - Live, Bremen, 1977
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243541
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000526
track: Steamboat Whistle Blues - Live, Bremen, 1977
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195626
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000527
track: My Rag - Live, Bremen, 1977
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217354
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000528
track: Austin Minor Sympathy - Live, Bremen, 1977
  type: MusicRecording
  duration: PT8M38S
  duration ms: 518848
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000550
track: Let Him Go on, Mama - Live, Bremen, 1977
  type: MusicRecording
  duration: PT4M54S
  duration ms: 294986
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000529
track: Up on the Hill Where They Do the Boogie - Live, Bremen, 1977
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268194
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: DEMV92000530
track: (Good Old Electric) Washing Machine - Live, Bremen, 1977
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172007
  explicit: false
  by artist: John Hartford
  in album: Steamboat Whistle Blues (Live, Bremen, 1977)
    type: MusicAlbum
    date published: 2021-07-30

Telluride Bluegrass Festival (Live 1987)
type: MusicAlbum
date published: 2021-03-29
track: Fiddle Tune - Live
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230115
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Short Life Of Trouble - Live
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142870
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Love Wrote This Song - Live
  type: MusicRecording
  duration: PT3M25S
  duration ms: 205899
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Wrong Road Again - Live
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230464
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Way Down The River Road - Live
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165246
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Learning To Smile All Over Again - Live
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230720
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Gentle On My Mind - Live
  type: MusicRecording
  duration: PT5M39S
  duration ms: 339991
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Down On The River - Live
  type: MusicRecording
  duration: PT1M44S
  duration ms: 104032
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Annual Waltz - Live
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262991
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Susan Austin Willy - Live
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166992
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Gum Tree Canoe - Live
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171928
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Here's To Your Dreams - Live
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233072
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Gone Gone Gone - Live
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126524
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: In Tall Buildings - Live
  type: MusicRecording
  duration: PT4M8S
  duration ms: 248975
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Instrumental - Live
  type: MusicRecording
  duration: PT4M25S
  duration ms: 265879
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: All In My Love For You - Live
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152323
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Mississippi Valley - Live
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131251
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Take Me Back - Live
  type: MusicRecording
  duration: PT4M59S
  duration ms: 299477
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Roll In My Sweet Baby's Arms - Live
  type: MusicRecording
  duration: PT4M51S
  duration ms: 291002
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Ohio River Rag - Live
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215027
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Band Introductions - Live
  type: MusicRecording
  duration: PT0M33S
  duration ms: 33598
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: Goodbye My Lover - Live
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219660
  explicit: false
  by artist: John Hartford
  in album: Telluride Bluegrass Festival (Live 1987)
    type: MusicAlbum
    date published: 2021-03-29
track: All I've Got Is Gone Away - Live

All I've Got Is Gone Away - Live
type: MusicRecording
duration: PT1M58S
duration ms: 118980
explicit: false
by artist: John Hartford
in album: Telluride Bluegrass Festival (Live 1987)
  type: MusicAlbum
  date published: 2021-03-29

Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
type: MusicAlbum
date published: 2019-03-01
track: Towboat River
  type: MusicRecording
  duration: PT1M59S
  duration ms: 119011
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801405
track: Tall Tall Grass
  type: MusicRecording
  duration: PT2M10S
  duration ms: 130653
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801406
track: Front Porch
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153181
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801407
track: Eve of My Multiplication
  type: MusicRecording
  duration: PT1M48S
  duration ms: 108171
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801408
track: California Earthquake
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134634
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801409
track: Left Handed Woman
  type: MusicRecording
  duration: PT1M53S
  duration ms: 113408
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801410
track: George
  type: MusicRecording
  duration: PT2M47S
  duration ms: 167978
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801411
track: Run
  type: MusicRecording
  duration: PT1M53S
  duration ms: 113706
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801412
track: This Eve of Parting
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151990
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801413
track: Self Made Man
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162394
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801414
track: Minus the Woman
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186916
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
track: Like unto a Mockingbird
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172558
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801416
track: Grownup Man
  type: MusicRecording
  duration: PT1M47S
  duration ms: 107266
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
track: Gentle on My Mind
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179858
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801419
track: Steam Powered Aereo Plain
  type: MusicRecording
  duration: PT0M35S
  duration ms: 35689
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801420
track: Station Break
  type: MusicRecording
  duration: PT1M49S
  duration ms: 109363
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801417
track: Ice Cold Love
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128854
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801429
track: Matthew 24
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190193
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801430
track: Greensleeves
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147383
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801431
track: Corrina
  type: MusicRecording
  duration: PT2M3S
  duration ms: 123136
  explicit: false
  by artist: John Hartford
  in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
    type: MusicAlbum
    date published: 2019-03-01
  isrc code: QMUBV1801421
track: Greenback Dollar
track: Jesus Loves Everybody
track: I Forgot to Forget
track: The Way Is Narrow
track: Short Life of Trouble
track: That Great Day Is Coming
track: When I Feel the Hand of My Saviour

Greenback Dollar
type: MusicRecording
duration: PT2M49S
duration ms: 169195
explicit: false
by artist: John Hartford
in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
  type: MusicAlbum
  date published: 2019-03-01
isrc code: QMUBV1801422

Jesus Loves Everybody
type: MusicRecording
duration: PT2M21S
duration ms: 141525
explicit: false
by artist: John Hartford
in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
  type: MusicAlbum
  date published: 2019-03-01

I Forgot to Forget
type: MusicRecording
duration: PT2M56S
duration ms: 176128
explicit: false
by artist: John Hartford
in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
  type: MusicAlbum
  date published: 2019-03-01

The Way Is Narrow
type: MusicRecording
duration: PT2M34S
duration ms: 154533
explicit: false
by artist: John Hartford
in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
  type: MusicAlbum
  date published: 2019-03-01
isrc code: QMUBV1801425

Short Life of Trouble
type: MusicRecording
duration: PT2M28S
duration ms: 148053
explicit: false
by artist: John Hartford
in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
  type: MusicAlbum
  date published: 2019-03-01
isrc code: QMUBV1801426

That Great Day Is Coming
type: MusicRecording
duration: PT2M34S
duration ms: 154854
explicit: false
by artist: John Hartford
in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
  type: MusicAlbum
  date published: 2019-03-01

When I Feel the Hand of My Saviour
type: MusicRecording
duration: PT1M27S
duration ms: 87808
explicit: false
by artist: John Hartford
in album: Backroads, Rivers & Memories: The Rare & Unreleased John Hartford
  type: MusicAlbum
  date published: 2019-03-01

Home Made Sugar and a Puncheon Floor
type: MusicAlbum
date published: 1970-01-01
track: Warm Up
  type: MusicRecording
  duration: PT0M11S
  duration ms: 11333
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Dugler With a Shoefly On
  type: MusicRecording
  duration: PT1M38S
  duration ms: 98573
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: That Must Have Been a Tie
  type: MusicRecording
  duration: PT0M13S
  duration ms: 13493
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: McKinley
  type: MusicRecording
  duration: PT1M27S
  duration ms: 87333
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Home Made Sugar and a Puncheon Floor
  type: MusicRecording
  duration: PT1M9S
  duration ms: 69093
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Arthur Smith's Twinkle Little Star
  type: MusicRecording
  duration: PT1M54S
  duration ms: 114413
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USCGH1604802
track: I've Never Heard Anybody Play It but Arthur
  type: MusicRecording
  duration: PT0M44S
  duration ms: 44906
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Stump Tail Dog
  type: MusicRecording
  duration: PT1M36S
  duration ms: 96653
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Well It's Different
  type: MusicRecording
  duration: PT0M13S
  duration ms: 13960
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Uncle John Wills's Lost Indian
  type: MusicRecording
  duration: PT1M50S
  duration ms: 110506
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: You Did a Whoop
  type: MusicRecording
  duration: PT1M0S
  duration ms: 60093
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Still on the Hill (Sells Brothers Circus Rag)
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118906
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Tumbling Creek Liza Jane
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126293
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Tell You Where I First Heard That One
  type: MusicRecording
  duration: PT0M38S
  duration ms: 38360
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Ladies in the Ballroom
  type: MusicRecording
  duration: PT1M1S
  duration ms: 61746
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Benny Didn't Get into That Part
  type: MusicRecording
  duration: PT1M27S
  duration ms: 87853
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Going Across the Sea
  type: MusicRecording
  duration: PT1M45S
  duration ms: 105053
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: That's More Like a Scotland Tune
  type: MusicRecording
  duration: PT0M56S
  duration ms: 56173
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Cotton Eyed Joe
  type: MusicRecording
  duration: PT1M36S
  duration ms: 96466
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Sugar in the Gourd
  type: MusicRecording
  duration: PT1M38S
  duration ms: 98800
  explicit: false
  by artist: Howard Forrester
  by artist: John Hartford
  in album: Home Made Sugar and a Puncheon Floor
    type: MusicAlbum
    date published: 1970-01-01
track: Possum up a Gum Stump
track: Balance All
track: Paddy on the Turnpike
track: Polly Put the Kettle On
track: You Ever Heard Secesh
track: Secesh
track: Greenback Dollar...Vernon Solomon Never Heard That
track: Lady of the Lake
track: Roy Talked About Grandpappy George Wilkerson
track: Going Uptown
track: Even Back in Those Days
track: Bitter Creek
track: Run out of Tunes

Possum up a Gum Stump
type: MusicRecording
duration: PT1M39S
duration ms: 99240
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01

Balance All
type: MusicRecording
duration: PT1M43S
duration ms: 103466
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01

Paddy on the Turnpike
type: MusicRecording
duration: PT1M46S
duration ms: 106293
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01

Polly Put the Kettle On
type: MusicRecording
duration: PT1M46S
duration ms: 106426
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01

You Ever Heard Secesh
type: MusicRecording
duration: PT0M28S
duration ms: 28386
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01

Secesh
type: MusicRecording
duration: PT2M15S
duration ms: 135413
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01

Greenback Dollar...Vernon Solomon Never Heard That
type: MusicRecording
duration: PT0M25S
duration ms: 25453
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01

Lady of the Lake
type: MusicRecording
duration: PT1M46S
duration ms: 106453
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01

Roy Talked About Grandpappy George Wilkerson
type: MusicRecording
duration: PT3M26S
duration ms: 206013
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01

Going Uptown
type: MusicRecording
duration: PT0M45S
duration ms: 45426
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01

Even Back in Those Days
type: MusicRecording
duration: PT2M42S
duration ms: 162986
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01

Bitter Creek
type: MusicRecording
duration: PT0M50S
duration ms: 50506
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01

Run out of Tunes
type: MusicRecording
duration: PT0M16S
duration ms: 16520
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01

Goin Back to Dixie
type: MusicAlbum
date published: 2010-09-02
track: Goin Back to Dixie
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218066
  explicit: false
  by artist: John Hartford
  in album: Goin Back to Dixie
    type: MusicAlbum
    date published: 2010-09-02
  isrc code: USHM81069632
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:59:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2c51d1b2d19efad4e91a4e290b8ba9c34c2577385396c050970b2c92b1516558
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6cmBR4TN1ggXR2qLOLgNpI.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6cmBR4TN1ggXR2qLOLgNpI
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2c51d1b2d19efad4e91a4e290b8ba9c34c2577385396c050970b2c92b1516558","isrc":"USHM81069632","name":"Goin Back to Dixie","registered_at":"2026-06-25T17:59:21Z","spotify_id":"6cmBR4TN1ggXR2qLOLgNpI","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2c51d1b2d19efad4e91a4e290b8ba9c34c2577385396c050970b2c92b1516558. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6cmBR4TN1ggXR2qLOLgNpI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6cmBR4TN1ggXR2qLOLgNpI.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x2c51d1b2d19efad4e91a4e290b8ba9c34c2577385396c050970b2c92b1516558","isrc":"USHM81069632","name":"Goin Back to Dixie","registered_at":"2026-06-25T17:59:21Z","spotify_id":"6cmBR4TN1ggXR2qLOLgNpI","type":"track"}
track: Little Girl With Her Hair All Down Behind
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203813
  explicit: false
  by artist: John Hartford
  in album: Goin Back to Dixie
    type: MusicAlbum
    date published: 2010-09-02
  isrc code: USHM81069633
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:59:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x622b658c11abc9418046c638f85b490246e36a4a8e95baf63a9f17f772abaed9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4DBzTOcq1IS1cofIqt5zEU.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DBzTOcq1IS1cofIqt5zEU
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x622b658c11abc9418046c638f85b490246e36a4a8e95baf63a9f17f772abaed9","isrc":"USHM81069633","name":"Little Girl With Her Hair All Down Behind","registered_at":"2026-06-25T17:59:58Z","spotify_id":"4DBzTOcq1IS1cofIqt5zEU","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x622b658c11abc9418046c638f85b490246e36a4a8e95baf63a9f17f772abaed9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4DBzTOcq1IS1cofIqt5zEU.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DBzTOcq1IS1cofIqt5zEU.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x622b658c11abc9418046c638f85b490246e36a4a8e95baf63a9f17f772abaed9","isrc":"USHM81069633","name":"Little Girl With Her Hair All Down Behind","registered_at":"2026-06-25T17:59:58Z","spotify_id":"4DBzTOcq1IS1cofIqt5zEU","type":"track"}
track: I Wonder Where You Are Tonight
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200640
  explicit: false
  by artist: John Hartford
  in album: Goin Back to Dixie
    type: MusicAlbum
    date published: 2010-09-02
  isrc code: USHM81069634
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T04:32:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3b5aba175b6e1e3719284209e16db0da72707b6c3411115d122ca906218fe403
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/45VkDPl02I48yv5KqOZgYY.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/45VkDPl02I48yv5KqOZgYY
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3b5aba175b6e1e3719284209e16db0da72707b6c3411115d122ca906218fe403","isrc":"USHM81069634","name":"I Wonder Where You Are Tonight","registered_at":"2026-06-22T04:32:47Z","spotify_id":"45VkDPl02I48yv5KqOZgYY","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3b5aba175b6e1e3719284209e16db0da72707b6c3411115d122ca906218fe403. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/45VkDPl02I48yv5KqOZgYY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/45VkDPl02I48yv5KqOZgYY.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x3b5aba175b6e1e3719284209e16db0da72707b6c3411115d122ca906218fe403","isrc":"USHM81069634","name":"I Wonder Where You Are Tonight","registered_at":"2026-06-22T04:32:47Z","spotify_id":"45VkDPl02I48yv5KqOZgYY","type":"track"}
track: Heavenly Sunlight
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253280
  explicit: false
  by artist: John Hartford
  in album: Goin Back to Dixie
    type: MusicAlbum
    date published: 2010-09-02
  isrc code: USHM81069635
track: M.I.S.I.P.
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164266
  explicit: false
  by artist: John Hartford
  in album: Goin Back to Dixie
    type: MusicAlbum
    date published: 2010-09-02
  isrc code: USHM81069636
track: The Girl I left Behind Me
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169920
  explicit: false
  by artist: John Hartford
  in album: Goin Back to Dixie
    type: MusicAlbum
    date published: 2010-09-02
  isrc code: USHM81069637
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T09:31:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x639f4fb3c962c0a315ddea87b0930b8767b3b64d818294679f8d9a13d804f6f8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2S3F8hJgJYg6iJBbMNYoS2.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2S3F8hJgJYg6iJBbMNYoS2
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: We Did our Best
track: The Boys from North Carolina
track: Them Way Long Time Ago Times
track: The Death of John Henry

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x639f4fb3c962c0a315ddea87b0930b8767b3b64d818294679f8d9a13d804f6f8","isrc":"USHM81069637","name":"The Girl I left Behind Me","registered_at":"2026-06-19T09:31:12Z","spotify_id":"2S3F8hJgJYg6iJBbMNYoS2","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x639f4fb3c962c0a315ddea87b0930b8767b3b64d818294679f8d9a13d804f6f8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2S3F8hJgJYg6iJBbMNYoS2.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2S3F8hJgJYg6iJBbMNYoS2.
date published: 2026-07-02T03:55:08Z
text: {"copyright_id":"0x639f4fb3c962c0a315ddea87b0930b8767b3b64d818294679f8d9a13d804f6f8","isrc":"USHM81069637","name":"The Girl I left Behind Me","registered_at":"2026-06-19T09:31:12Z","spotify_id":"2S3F8hJgJYg6iJBbMNYoS2","type":"track"}

We Did our Best
type: MusicRecording
duration: PT4M46S
duration ms: 286973
explicit: false
by artist: John Hartford
in album: Goin Back to Dixie
  type: MusicAlbum
  date published: 2010-09-02
isrc code: USHM81069638

The Boys from North Carolina
type: MusicRecording
duration: PT3M23S
duration ms: 203533
explicit: false
by artist: John Hartford
in album: Goin Back to Dixie
  type: MusicAlbum
  date published: 2010-09-02
isrc code: USHM81069639
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:52:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xec300b7787e6841fb1ff7a9203d51bb9e858c2e48ebd23d4dcca8faa0ee67adc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/36j0Gipkh0TRE9qpEj5e8f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/36j0Gipkh0TRE9qpEj5e8f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xec300b7787e6841fb1ff7a9203d51bb9e858c2e48ebd23d4dcca8faa0ee67adc","isrc":"USHM81069639","name":"The Boys from North Carolina","registered_at":"2026-06-09T06:52:57Z","spotify_id":"36j0Gipkh0TRE9qpEj5e8f","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xec300b7787e6841fb1ff7a9203d51bb9e858c2e48ebd23d4dcca8faa0ee67adc. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/36j0Gipkh0TRE9qpEj5e8f.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/36j0Gipkh0TRE9qpEj5e8f.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xec300b7787e6841fb1ff7a9203d51bb9e858c2e48ebd23d4dcca8faa0ee67adc","isrc":"USHM81069639","name":"The Boys from North Carolina","registered_at":"2026-06-09T06:52:57Z","spotify_id":"36j0Gipkh0TRE9qpEj5e8f","type":"track"}

Them Way Long Time Ago Times
type: MusicRecording
duration: PT3M12S
duration ms: 192093
explicit: false
by artist: John Hartford
in album: Goin Back to Dixie
  type: MusicAlbum
  date published: 2010-09-02
isrc code: USHM81069640

The Death of John Henry
type: MusicRecording
duration: PT4M8S
duration ms: 248200
explicit: false
by artist: John Hartford
in album: Goin Back to Dixie
  type: MusicAlbum
  date published: 2010-09-02
isrc code: USHM81069641

Good'le Days: Essential Recordings
type: MusicAlbum
date published: 2009-01-01
track: Skippin' In The Mississippi Dew
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181493
  explicit: false
  by artist: John Hartford
  in album: Good'le Days: Essential Recordings
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: USFF27602001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T09:31:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3d1fd34482487e7a2a5eb6c398bb1c4ede3a55e8adf858691fc6262dfad82250
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957120
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5X1tp5BhlvDz7n4SfSYMjx.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5X1tp5BhlvDz7n4SfSYMjx
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3d1fd34482487e7a2a5eb6c398bb1c4ede3a55e8adf858691fc6262dfad82250","isrc":"USFF27602001","name":"Skippin' In The Mississippi Dew","registered_at":"2026-06-19T09:31:38Z","spotify_id":"5X1tp5BhlvDz7n4SfSYMjx","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3d1fd34482487e7a2a5eb6c398bb1c4ede3a55e8adf858691fc6262dfad82250. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5X1tp5BhlvDz7n4SfSYMjx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5X1tp5BhlvDz7n4SfSYMjx.
    date published: 2026-07-08T03:22:41Z
    text: {"copyright_id":"0x3d1fd34482487e7a2a5eb6c398bb1c4ede3a55e8adf858691fc6262dfad82250","isrc":"USFF27602001","name":"Skippin' In The Mississippi Dew","registered_at":"2026-06-19T09:31:38Z","spotify_id":"5X1tp5BhlvDz7n4SfSYMjx","type":"track"}
track: Gum Tree Canoe
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246506
  explicit: false
  by artist: John Hartford
  in album: Good'le Days: Essential Recordings
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: USFF18428903
track: Gentle On My Mind
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277493
  explicit: false
  by artist: John Hartford
  in album: Good'le Days: Essential Recordings
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: USFF27704404
track: Lorena
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285000
  explicit: false
  by artist: John Hartford
  in album: Good'le Days: Essential Recordings
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: USFF28428908
track: In Tall Buildings
  type: MusicRecording
  duration: PT3M27S
  duration ms: 207506
  explicit: false
  by artist: John Hartford
  in album: Good'le Days: Essential Recordings
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: USFF28002803
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T16:40:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x50f03569c59e14c237c73dd7c3a11412915628c7476d04411b32c9f435db300b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2KZxr78XbyMZWL7Ogx15fW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2KZxr78XbyMZWL7Ogx15fW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x50f03569c59e14c237c73dd7c3a11412915628c7476d04411b32c9f435db300b","isrc":"USFF28002803","name":"In Tall Buildings","registered_at":"2026-06-09T16:40:42Z","spotify_id":"2KZxr78XbyMZWL7Ogx15fW","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x50f03569c59e14c237c73dd7c3a11412915628c7476d04411b32c9f435db300b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2KZxr78XbyMZWL7Ogx15fW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2KZxr78XbyMZWL7Ogx15fW.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0x50f03569c59e14c237c73dd7c3a11412915628c7476d04411b32c9f435db300b","isrc":"USFF28002803","name":"In Tall Buildings","registered_at":"2026-06-09T16:40:42Z","spotify_id":"2KZxr78XbyMZWL7Ogx15fW","type":"track"}
track: The Vamp From Back In The Goodle Days
  type: MusicRecording
  duration: PT4M41S
  duration ms: 281000
  explicit: false
  by artist: John Hartford
  in album: Good'le Days: Essential Recordings
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: USRO20248004
track: Wrong Road Again
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169000
  explicit: false
  by artist: John Hartford
  in album: Good'le Days: Essential Recordings
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: USFF28428909
track: Good Old Electric Washing Machine -- Circa 1943
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127493
  explicit: false
  by artist: John Hartford
  in album: Good'le Days: Essential Recordings
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: USFF28125903
track: Take Me Back To My Mississippi River Home
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234000
  explicit: false
  by artist: John Hartford
  in album: Good'le Days: Essential Recordings
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: USFF28428907
track: Old Time River Man
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217453
  explicit: false
  by artist: John Hartford
  in album: Good'le Days: Essential Recordings
    type: MusicAlbum
    date published: 2009-01-01
  isrc code: USFF28951406
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T20:16:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd3fa8c64a45e66a97e973b3d331ebec9c6b44c2a84f74bf45c07554dd345e479
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957145
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6bQGAY3Qug8kJuPeMprmNQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6bQGAY3Qug8kJuPeMprmNQ
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence

OTSTimestamp
type: PropertyValue
value: 2026-07-08T08:56:20Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xd3fa8c64a45e66a97e973b3d331ebec9c6b44c2a84f74bf45c07554dd345e479","isrc":"USFF28951406","name":"Old Time River Man","registered_at":"2026-06-25T20:16:34Z","spotify_id":"6bQGAY3Qug8kJuPeMprmNQ","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3fa8c64a45e66a97e973b3d331ebec9c6b44c2a84f74bf45c07554dd345e479. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6bQGAY3Qug8kJuPeMprmNQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6bQGAY3Qug8kJuPeMprmNQ.
date published: 2026-07-08T08:56:20Z
text: {"copyright_id":"0xd3fa8c64a45e66a97e973b3d331ebec9c6b44c2a84f74bf45c07554dd345e479","isrc":"USFF28951406","name":"Old Time River Man","registered_at":"2026-06-25T20:16:34Z","spotify_id":"6bQGAY3Qug8kJuPeMprmNQ","type":"track"}

No End Of Love
type: MusicAlbum
date published: 2008-05-27
track: Dialog
  type: MusicRecording
  duration: PT0M7S
  duration ms: 7866
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
track: No End Of Love
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244533
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
  isrc code: USCGJ0838936
track: Dialog
  type: MusicRecording
  duration: PT0M17S
  duration ms: 17466
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
track: When Guiding Star Came To Tell City
  type: MusicRecording
  duration: PT5M26S
  duration ms: 326933
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
  isrc code: USCGJ0838938
track: Dialog
  type: MusicRecording
  duration: PT0M14S
  duration ms: 14466
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
track: Gentle On My Mind
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216466
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
  isrc code: USCGJ0838940
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T10:43:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x32f58a0ff6283a2df460499151dc2e6d4b747fb42d2ebc99c66f53798398b208
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3tlSZjdvVAmeY9L8g87Bmh.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3tlSZjdvVAmeY9L8g87Bmh
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x32f58a0ff6283a2df460499151dc2e6d4b747fb42d2ebc99c66f53798398b208","isrc":"USCGJ0838940","name":"Gentle On My Mind","registered_at":"2026-06-24T10:43:39Z","spotify_id":"3tlSZjdvVAmeY9L8g87Bmh","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x32f58a0ff6283a2df460499151dc2e6d4b747fb42d2ebc99c66f53798398b208. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3tlSZjdvVAmeY9L8g87Bmh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3tlSZjdvVAmeY9L8g87Bmh.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x32f58a0ff6283a2df460499151dc2e6d4b747fb42d2ebc99c66f53798398b208","isrc":"USCGJ0838940","name":"Gentle On My Mind","registered_at":"2026-06-24T10:43:39Z","spotify_id":"3tlSZjdvVAmeY9L8g87Bmh","type":"track"}
track: Railroad Cap
  type: MusicRecording
  duration: PT2M2S
  duration ms: 122560
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
  isrc code: USCGJ0838941
track: Down On The Levee
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191933
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
  isrc code: USCGJ0838942
track: My Tears Don't Show
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197373
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
  isrc code: USCGJ0838943
track: Dialog
  type: MusicRecording
  duration: PT0M55S
  duration ms: 55266
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
track: The Burning Of The Grand Republic
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196133
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
  isrc code: USCGJ0838945
track: Dialog
  type: MusicRecording
  duration: PT0M11S
  duration ms: 11800
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
track: Uncle Dink
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164466
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
track: Dialog
  type: MusicRecording
  duration: PT0M8S
  duration ms: 8693
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
track: Medicine Chest
  type: MusicRecording
  duration: PT2M9S
  duration ms: 129039
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
  isrc code: USCGJ0838949
track: Goodbye Waltz
  type: MusicRecording
  duration: PT5M19S
  duration ms: 319733
  explicit: false
  by artist: John Hartford
  in album: No End Of Love
    type: MusicAlbum
    date published: 2008-05-27
  isrc code: USCGJ0838950

Walls We Bounce Off Of
type: MusicAlbum
date published: 2008-01-01
track: More Big Bull Fiddle Fun
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223573
  explicit: false
  by artist: John Hartford
  in album: Walls We Bounce Off Of
    type: MusicAlbum
    date published: 2008-01-01
  isrc code: USY280734090
track: The Queen of Rock & Roll
  type: MusicRecording
  duration: PT2M20S
  duration ms: 140800
  explicit: false
  by artist: John Hartford
  in album: Walls We Bounce Off Of
    type: MusicAlbum
    date published: 2008-01-01
  isrc code: USY280734091
track: Can't Stand to Throw Anything Away
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219026
  explicit: false
  by artist: John Hartford
  in album: Walls We Bounce Off Of
    type: MusicAlbum
    date published: 2008-01-01
track: Interstate Waltz
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150666
  explicit: false
  by artist: John Hartford
  in album: Walls We Bounce Off Of
    type: MusicAlbum
    date published: 2008-01-01
track: Flea Market Breakdown
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179133
  explicit: false
  by artist: John Hartford
  in album: Walls We Bounce Off Of
    type: MusicAlbum
    date published: 2008-01-01
  isrc code: USY280734094
track: Your Tax Dollars At Work
  type: MusicRecording
  duration: PT2M0S
  duration ms: 120906
  explicit: false
  by artist: John Hartford
  in album: Walls We Bounce Off Of
    type: MusicAlbum
    date published: 2008-01-01
track: When the Dinner Bell Rings
  type: MusicRecording
  duration: PT1M32S
  duration ms: 92226
  explicit: false
  by artist: John Hartford
  in album: Walls We Bounce Off Of
    type: MusicAlbum
    date published: 2008-01-01
track: I Just Wanna Look in There
  type: MusicRecording
  duration: PT4M52S
  duration ms: 292266
  explicit: false
  by artist: John Hartford
  in album: Walls We Bounce Off Of
    type: MusicAlbum
    date published: 2008-01-01
  isrc code: USY280734097
track: The All Collision All Explosion Song
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126906
  explicit: false
  by artist: John Hartford
  in album: Walls We Bounce Off Of
    type: MusicAlbum
    date published: 2008-01-01
track: Fourteen Pole Cat Skins On a Chevy Camaro
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165800
  explicit: false
  by artist: John Hartford
  in album: Walls We Bounce Off Of
    type: MusicAlbum
    date published: 2008-01-01
  isrc code: USY280734099
track: Sexual Harrassment
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159133
  explicit: false
  by artist: John Hartford
  in album: Walls We Bounce Off Of
    type: MusicAlbum
    date published: 2008-01-01
  isrc code: USY280734100
track: Wonder Woman
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141826
  explicit: false
  by artist: John Hartford
  in album: Walls We Bounce Off Of
    type: MusicAlbum
    date published: 2008-01-01
track: Hooter Thunkit
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198333
  explicit: false
  by artist: John Hartford
  in album: Walls We Bounce Off Of
    type: MusicAlbum
    date published: 2008-01-01

Steam Powered Aereo-Takes
type: MusicAlbum
date published: 2002-01-22
track: Where The Old Red River Flows
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187866
  explicit: false
  by artist: John Hartford
  in album: Steam Powered Aereo-Takes
    type: MusicAlbum
    date published: 2002-01-22
  isrc code: USRO20248001
track: Ruff And Ready
  type: MusicRecording
  duration: PT1M51S
  duration ms: 111160
  explicit: false
  by artist: John Hartford
  in album: Steam Powered Aereo-Takes
    type: MusicAlbum
    date published: 2002-01-22
  isrc code: USRO20248002
track: Blame It On Joann
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192666
  explicit: false
  by artist: John Hartford
  in album: Steam Powered Aereo-Takes
    type: MusicAlbum
    date published: 2002-01-22
  isrc code: USRO20248003
track: The Vamp From Back In The Goodle Days
  type: MusicRecording
  duration: PT4M41S
  duration ms: 281173
  explicit: false
  by artist: John Hartford
  in album: Steam Powered Aereo-Takes
    type: MusicAlbum
    date published: 2002-01-22
  isrc code: USRO20248004
track: Emanuel Cant
  type: MusicRecording
  duration: PT1M44S
  duration ms: 104493
  explicit: false
  by artist: John Hartford
  in album: Steam Powered Aereo-Takes
    type: MusicAlbum
    date published: 2002-01-22
  isrc code: USRO20248005
track: Bad Music (Is Better Than No Music At All)
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272866
  explicit: false
  by artist: John Hartford
  in album: Steam Powered Aereo-Takes
    type: MusicAlbum
    date published: 2002-01-22
  isrc code: USRO20248006
track: Dig A Hole
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254440
  explicit: false
  by artist: John Hartford
  in album: Steam Powered Aereo-Takes
    type: MusicAlbum
    date published: 2002-01-22
  isrc code: USRO20248007
track: Presbyterian Guitar
  type: MusicRecording
  duration: PT2M3S
  duration ms: 123026
  explicit: false
  by artist: John Hartford
  in album: Steam Powered Aereo-Takes
    type: MusicAlbum
    date published: 2002-01-22
  isrc code: USRO20248008
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:59:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe51767cb525c407da1aedbb036660b86b519a17202fae7d606e313492ad85f6d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4jDfgJ2LHwsETu1nfb6HgO.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4jDfgJ2LHwsETu1nfb6HgO
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe51767cb525c407da1aedbb036660b86b519a17202fae7d606e313492ad85f6d","isrc":"USRO20248008","name":"Presbyterian Guitar","registered_at":"2026-06-25T17:59:39Z","spotify_id":"4jDfgJ2LHwsETu1nfb6HgO","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe51767cb525c407da1aedbb036660b86b519a17202fae7d606e313492ad85f6d. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4jDfgJ2LHwsETu1nfb6HgO.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4jDfgJ2LHwsETu1nfb6HgO.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xe51767cb525c407da1aedbb036660b86b519a17202fae7d606e313492ad85f6d","isrc":"USRO20248008","name":"Presbyterian Guitar","registered_at":"2026-06-25T17:59:39Z","spotify_id":"4jDfgJ2LHwsETu1nfb6HgO","type":"track"}
track: Strange Old Man
  type: MusicRecording
  duration: PT1M40S
  duration ms: 100466
  explicit: false
  by artist: John Hartford
  in album: Steam Powered Aereo-Takes
    type: MusicAlbum
    date published: 2002-01-22
  isrc code: USRO20248009
track: Lady Jane
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163133
  explicit: false
  by artist: John Hartford
  in album: Steam Powered Aereo-Takes
    type: MusicAlbum
    date published: 2002-01-22
  isrc code: USRO20248010
track: Oasis
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211373
  explicit: false
  by artist: John Hartford
  in album: Steam Powered Aereo-Takes
    type: MusicAlbum
    date published: 2002-01-22
  isrc code: USRO20248011
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T10:42:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa4469d50ef6ddefe05deb6149ad2d955b61b55f805b29e2d7b26834b38f5e458
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4n3ntfsjOhMUjhp0jaM24g.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4n3ntfsjOhMUjhp0jaM24g
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa4469d50ef6ddefe05deb6149ad2d955b61b55f805b29e2d7b26834b38f5e458. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4n3ntfsjOhMUjhp0jaM24g.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4n3ntfsjOhMUjhp0jaM24g.
    date published: 2026-07-02T05:09:12Z
track: Because Of You
  type: MusicRecording
  duration: PT1M10S
  duration ms: 70360
  explicit: false
  by artist: John Hartford
  in album: Steam Powered Aereo-Takes
    type: MusicAlbum
    date published: 2002-01-22
  isrc code: USRO20248012
track: Morning Bugle
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208933
  explicit: false
  by artist: John Hartford
  in album: Steam Powered Aereo-Takes
  isrc code: USRO20248013
track: John Henry
track: Doin' My Time
track: Keep On Truckin'
track: Don't Ever Take Your Eyes Off The Game, Babe
track: Howard Hughes Blues

Steam Powered Aereo-Takes
type: MusicAlbum
date published: 2002-01-22

John Henry
type: MusicRecording
duration: PT1M44S
duration ms: 104866
explicit: false
by artist: John Hartford
in album: Steam Powered Aereo-Takes
  type: MusicAlbum
  date published: 2002-01-22
isrc code: USRO20248014

Doin' My Time
type: MusicRecording
duration: PT3M6S
duration ms: 186106
explicit: false
by artist: John Hartford
in album: Steam Powered Aereo-Takes
  type: MusicAlbum
  date published: 2002-01-22
isrc code: USRO20248015

Keep On Truckin'
type: MusicRecording
duration: PT2M46S
duration ms: 166693
explicit: false
by artist: John Hartford
in album: Steam Powered Aereo-Takes
  type: MusicAlbum
  date published: 2002-01-22
isrc code: USRO20248016

Don't Ever Take Your Eyes Off The Game, Babe
type: MusicRecording
duration: PT3M28S
duration ms: 208973
explicit: false
by artist: John Hartford
in album: Steam Powered Aereo-Takes
  type: MusicAlbum
  date published: 2002-01-22
isrc code: USRO20248017

Howard Hughes Blues
type: MusicRecording
duration: PT3M1S
duration ms: 181626
explicit: false
by artist: John Hartford
in album: Steam Powered Aereo-Takes
  type: MusicAlbum
  date published: 2002-01-22
isrc code: USRO20248018

RCA Country Legends: John Hartford
type: MusicAlbum
date published: 2001-10-08
track: Corn Cob Blues - Buddha Remastered - September 3, 2001
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154093
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
  isrc code: USRN10100468
track: (Good Old Electric) Washing Machine (Circa 1943) - Buddha Remastered - September 3, 2001
  type: MusicRecording
  duration: PT2M5S
  duration ms: 125400
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
  isrc code: USRC10101555
track: Gentle On My Mind - Remastered
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182306
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
  isrc code: USRN10100470
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T18:00:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe1012163a47e57a0d6b54a5f7c535393bd44dc4c0f7609c5ebd7b1a63b8aa92c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5tgMwqmf2px3znVoxpO5MI.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5tgMwqmf2px3znVoxpO5MI
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe1012163a47e57a0d6b54a5f7c535393bd44dc4c0f7609c5ebd7b1a63b8aa92c","isrc":"USRN10100470","name":"Gentle On My Mind - Remastered","registered_at":"2026-06-25T18:00:09Z","spotify_id":"5tgMwqmf2px3znVoxpO5MI","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe1012163a47e57a0d6b54a5f7c535393bd44dc4c0f7609c5ebd7b1a63b8aa92c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5tgMwqmf2px3znVoxpO5MI.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5tgMwqmf2px3znVoxpO5MI.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xe1012163a47e57a0d6b54a5f7c535393bd44dc4c0f7609c5ebd7b1a63b8aa92c","isrc":"USRN10100470","name":"Gentle On My Mind - Remastered","registered_at":"2026-06-25T18:00:09Z","spotify_id":"5tgMwqmf2px3znVoxpO5MI","type":"track"}
track: How Come You're Being So Good To Me - Buddha Remastered - September 3, 2001
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121693
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
  isrc code: USRC10101557
track: Front Porch - Buddha Remastered - September 3, 2001
  type: MusicRecording
  duration: PT1M57S
  duration ms: 117333
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
track: Untangle Your Mind - Buddha Remastered - September 3, 2001
  type: MusicRecording
  duration: PT2M0S
  duration ms: 120760
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
  isrc code: USRN10100473
track: The Category Stomp
  type: MusicRecording
  duration: PT2M13S
  duration ms: 133440
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
track: Big Blue Balloon
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175533
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
track: Whose That - Buddha Remastered - September 3, 2001
  type: MusicRecording
  duration: PT1M49S
  duration ms: 109693
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
track: I'm Still Here
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168533
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
  isrc code: USRN10100477
track: The Girl With the Long Brown Hair
  type: MusicRecording
  duration: PT2M29S
  duration ms: 149000
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
track: Why Do You Do Me Like You Do? - Remastered
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146466
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
track: I Would Not Be Here
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137666
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
track: Natural to Be Gone
  type: MusicRecording
  duration: PT1M46S
  duration ms: 106560
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
track: Jack's In The Sack - Buddha Remastered - September 3, 2001
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126626
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
track: California Earthquake - Buddha Remastered - September 3, 2001
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181066
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08
track: Mouth To Mouth Resuscitation - Buddha Remastered - September 3, 2001
  type: MusicRecording
  duration: PT1M52S
  duration ms: 112266
  explicit: false
  by artist: John Hartford
  in album: RCA Country Legends: John Hartford
    type: MusicAlbum
    date published: 2001-10-08

Live From Mountain Stage
type: MusicAlbum
date published: 2000-03-07
track: Wish We Had Our Time Again (Live)
  type: MusicRecording
  duration: PT2M47S
  duration ms: 167880
  explicit: false
  by artist: John Hartford
  in album: Live From Mountain Stage
    type: MusicAlbum
    date published: 2000-03-07
  isrc code: USA5N0340101
track: Lorena (Live)
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236933
  explicit: false
  by artist: John Hartford
  in album: Live From Mountain Stage
    type: MusicAlbum
    date published: 2000-03-07
  isrc code: USA5N0340102
track: More Big Bull Fiddle Fun (Live)
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206520
  explicit: false
  by artist: John Hartford
  in album: Live From Mountain Stage
    type: MusicAlbum
    date published: 2000-03-07
  isrc code: USA5N0340103
track: Fiddle Tune (Live)
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121893
  explicit: false
  by artist: John Hartford
  in album: Live From Mountain Stage
    type: MusicAlbum
    date published: 2000-03-07
  isrc code: USA5N0340104
track: Bring Your Clothes Back Home and Try Me On One More Time (Live)
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166226
  explicit: false
  by artist: John Hartford
  in album: Live From Mountain Stage
    type: MusicAlbum
    date published: 2000-03-07
  isrc code: USA5N0340105
track: Gum Three Canoe (Live)
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179853
  explicit: false
  by artist: John Hartford
  in album: Live From Mountain Stage
    type: MusicAlbum
    date published: 2000-03-07
  isrc code: USA5N0340106
track: Gentle On My Mind (Live)
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187853
  explicit: false
  by artist: John Hartford
  in album: Live From Mountain Stage
    type: MusicAlbum
    date published: 2000-03-07
  isrc code: USA5N0340107
track: Yellow Barber (Live)
  type: MusicRecording
  duration: PT1M40S
  duration ms: 100920
  explicit: false
  by artist: John Hartford
  in album: Live From Mountain Stage
    type: MusicAlbum
    date published: 2000-03-07
  isrc code: USA5N0340108
track: My Tears Don't Show (Live)
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191000
  explicit: false
  by artist: John Hartford
  in album: Live From Mountain Stage
    type: MusicAlbum
    date published: 2000-03-07
  isrc code: USA5N0340109
track: I Wonder Where You Are Tonight (Live)
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209360
  explicit: false
  by artist: John Hartford
  in album: Live From Mountain Stage
    type: MusicAlbum
    date published: 2000-03-07
  isrc code: USA5N0340110
track: Where Does an Old Time River Man Go (Live)
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261533
  explicit: false
  by artist: John Hartford
  in album: Live From Mountain Stage
    type: MusicAlbum
    date published: 2000-03-07
  isrc code: USA5N0340111
track: Catletsburg (Live)
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128306
  explicit: false
  by artist: John Hartford
  in album: Live From Mountain Stage
    type: MusicAlbum
    date published: 2000-03-07
  isrc code: USA5N0340112
track: The Annual Waltz (Live)
  type: MusicRecording
  duration: PT4M44S
  duration ms: 284920
  explicit: false
  by artist: John Hartford
  in album: Live From Mountain Stage
    type: MusicAlbum
    date published: 2000-03-07
  isrc code: USA5N0340113

Retrograss
type: MusicAlbum
date published: 1999-09-21
track: My Walking Shoes
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163416
  explicit: false
  by artist: David Grisman
  by artist: Mike Seeger
  by artist: John Hartford
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900001
track: Hound Dawg
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156984
  explicit: false
  by artist: David Grisman
  by artist: Mike Seeger
  by artist: John Hartford
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900002
track: Maggie's Farm
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165891
  explicit: false
  by artist: David Grisman
  by artist: John Hartford
  by artist: Mike Seeger
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900003
track: Memphis
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166097
  explicit: false
  by artist: David Grisman
  by artist: Mike Seeger
  by artist: John Hartford
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900004
track: Flint Hill Special
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144519
  explicit: false
  by artist: David Grisman
  by artist: Mike Seeger
  by artist: John Hartford
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900005
track: The Old Home Place
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183227
  explicit: false
  by artist: David Grisman
  by artist: John Hartford
  by artist: Mike Seeger
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900006
track: Uncle Pen
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179606
  explicit: false
  by artist: David Grisman
  by artist: Mike Seeger
  by artist: John Hartford
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900007
track: Airmail Special
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131608
  explicit: false
  by artist: David Grisman
  by artist: John Hartford
  by artist: Mike Seeger
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900008
track: Rocky Top
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195576
  explicit: false
  by artist: David Grisman
  by artist: Mike Seeger
  by artist: John Hartford
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900009
track: Room At The Top Of The Stairs
  type: MusicRecording
  duration: PT2M10S
  duration ms: 130792
  explicit: false
  by artist: David Grisman
  by artist: Mike Seeger
  by artist: John Hartford
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900010
track: Sittin' On The Dock Of The Bay
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159852
  explicit: false
  by artist: David Grisman
  by artist: John Hartford
  by artist: Mike Seeger
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900011
track: Jerusalem Ridge
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219386
  explicit: false
  by artist: David Grisman
  by artist: John Hartford
  by artist: Mike Seeger
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900012
track: Windy Mountain
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186277
  explicit: false
  by artist: David Grisman
  by artist: Mike Seeger
  by artist: John Hartford
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900013
track: Maybelline
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156309
  explicit: false
  by artist: David Grisman
  by artist: Mike Seeger
  by artist: John Hartford
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900014
track: Blue Ridge Cabin Home
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195059
  explicit: false
  by artist: David Grisman
  by artist: John Hartford
  by artist: Mike Seeger
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900015
track: Rocky Road Blues
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218734
  explicit: false
  by artist: David Grisman
  by artist: John Hartford
  by artist: Mike Seeger
  in album: Retrograss
    type: MusicAlbum
    date published: 1999-09-21
  isrc code: USAD49900016
track: When I'm Sixty-four
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196166
  explicit: false
  by artist: David Grisman
  by artist: Mike Seeger
  by artist: John Hartford
  in album: Retrograss
  isrc code: USAD49900017

John Hartford
type: MusicGroup

Retrograss
type: MusicAlbum
date published: 1999-09-21

Good Old Boys
type: MusicAlbum
date published: 1999-09-14
track: Good Old Boys
  type: MusicRecording
  duration: PT6M37S
  duration ms: 397426
  explicit: false
  by artist: John Hartford
  in album: Good Old Boys
    type: MusicAlbum
    date published: 1999-09-14
  isrc code: USRO29946201
track: On The Radio
  type: MusicRecording
  duration: PT5M34S
  duration ms: 334640
  explicit: false
  by artist: John Hartford
  in album: Good Old Boys
    type: MusicAlbum
    date published: 1999-09-14
track: The Cross-Eyed Child
  type: MusicRecording
  duration: PT10M30S
  duration ms: 630426
  explicit: false
  by artist: John Hartford
  in album: Good Old Boys
    type: MusicAlbum
    date published: 1999-09-14
track: Watching The River Go By
  type: MusicRecording
  duration: PT5M24S
  duration ms: 324573
  explicit: false
  by artist: John Hartford
  in album: Good Old Boys
    type: MusicAlbum
    date published: 1999-09-14
  isrc code: USRO29946204
track: The Waltz Of The Mississippi
  type: MusicRecording
  duration: PT5M24S
  duration ms: 324866
  explicit: false
  by artist: John Hartford
  in album: Good Old Boys
    type: MusicAlbum
    date published: 1999-09-14
track: Mike & John In The Wilderness
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194400
  explicit: false
  by artist: John Hartford
  in album: Good Old Boys
    type: MusicAlbum
    date published: 1999-09-14
track: Owl Feather
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201626
  explicit: false
  by artist: John Hartford
  in album: Good Old Boys
    type: MusicAlbum
    date published: 1999-09-14
  isrc code: USRO29946207
track: Billy The Kid
  type: MusicRecording
  duration: PT4M33S
  duration ms: 273640
  explicit: false
  by artist: John Hartford
  in album: Good Old Boys
    type: MusicAlbum
    date published: 1999-09-14
track: Dixie Trucker's Home
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127560
  explicit: false
  by artist: John Hartford
  in album: Good Old Boys
    type: MusicAlbum
    date published: 1999-09-14
track: The Waltz Of The Golden Rule
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179306
  explicit: false
  by artist: John Hartford
  in album: Good Old Boys
    type: MusicAlbum
    date published: 1999-09-14
track: Keep On Truckin'
  type: MusicRecording
  duration: PT3M45S
  duration ms: 225000
  explicit: false
  by artist: John Hartford
  in album: Good Old Boys
    type: MusicAlbum
    date published: 1999-09-14
  isrc code: USRO29946211

Wild Hog In The Red Brush
type: MusicAlbum
date published: 1996-09-17
track: Squirrel Hunters
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151066
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639201
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T23:34:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2ee062803401e1c828e49e18a8d31373dde3012a299882a9c2f0526f4c3caf7d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0vxdWe06oyBYiwv3liLXob.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0vxdWe06oyBYiwv3liLXob
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2ee062803401e1c828e49e18a8d31373dde3012a299882a9c2f0526f4c3caf7d","isrc":"USRO29639201","name":"Squirrel Hunters","registered_at":"2026-06-20T23:34:17Z","spotify_id":"0vxdWe06oyBYiwv3liLXob","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2ee062803401e1c828e49e18a8d31373dde3012a299882a9c2f0526f4c3caf7d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0vxdWe06oyBYiwv3liLXob.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0vxdWe06oyBYiwv3liLXob.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0x2ee062803401e1c828e49e18a8d31373dde3012a299882a9c2f0526f4c3caf7d","isrc":"USRO29639201","name":"Squirrel Hunters","registered_at":"2026-06-20T23:34:17Z","spotify_id":"0vxdWe06oyBYiwv3liLXob","type":"track"}
track: Birdie
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147093
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639202
track: Grandmammy Look At Uncle Sam
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187866
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639203
track: Old Virginia Reel
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164066
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639204
track: Flannery's Dream
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223933
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639205
track: Down At The Mouth Of Old Stinson
  type: MusicRecording
  duration: PT2M0S
  duration ms: 120573
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639206
track: The Girl With The Blue Dress On
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156226
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639207
track: Wild Hog In The Red Brush
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163266
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639208
track: Over The Road To Maysville
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256506
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639209
track: Bumble Bee In A Jug
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147800
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639210
track: Bostony
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162466
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639211
track: Shelvin' Rock
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209933
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639212
track: Molly Put The Kettle On
  type: MusicRecording
  duration: PT1M59S
  duration ms: 119200
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639213
track: West Fork Gals
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157760
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639214
track: Portsmouth Airs
  type: MusicRecording
  duration: PT2M25S
  duration ms: 145906
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639215
track: Coquette
  type: MusicRecording
  duration: PT2M12S
  duration ms: 132293
  explicit: false
  by artist: John Hartford
  in album: Wild Hog In The Red Brush
    type: MusicAlbum
    date published: 1996-09-17
  isrc code: USRO29639216
track: Jimmy In The Swamp
track: Lady Of The Lake
track: Natchez Under The Hill

Jimmy In The Swamp
type: MusicRecording
duration: PT2M44S
duration ms: 164106
explicit: false
by artist: John Hartford
in album: Wild Hog In The Red Brush
  type: MusicAlbum
  date published: 1996-09-17
isrc code: USRO29639217

Lady Of The Lake
type: MusicRecording
duration: PT2M57S
duration ms: 177133
explicit: false
by artist: John Hartford
in album: Wild Hog In The Red Brush
  type: MusicAlbum
  date published: 1996-09-17
isrc code: USRO29639218

Natchez Under The Hill
type: MusicRecording
duration: PT2M43S
duration ms: 163160
explicit: false
by artist: John Hartford
in album: Wild Hog In The Red Brush
  type: MusicAlbum
  date published: 1996-09-17
isrc code: USRO29639219

The Fun Of Open Discussion
type: MusicAlbum
date published: 1995-01-17
track: Big John McNeil
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189760
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
  isrc code: USRO29532001
track: The Fun Of Open Discussion
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176240
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
track: Jenny On The Railroad
  type: MusicRecording
  duration: PT3M24S
  duration ms: 204493
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
  isrc code: USRO29532003
track: Hy Patitian
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157506
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
track: Tishomingo County Blues
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134000
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
track: Lantern In The Ditch
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215000
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
track: Greenback Dollar
  type: MusicRecording
  duration: PT4M18S
  duration ms: 258493
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
track: M.I.S.I.P.
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199840
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
track: Doc Chapman's Breakdown
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219666
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
track: Chinquapin
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193333
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
  isrc code: USRO29532010
track: Bull At The Wagon
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184160
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
track: Mrs. Maxwell
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186506
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
track: Indian War Whoop
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168000
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
track: Shortenin' Bread
  type: MusicRecording
  duration: PT5M27S
  duration ms: 327333
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
track: Dry And Dusty
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193666
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17
track: Kitty Puss
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234000
  explicit: false
  by artist: Bob Carlin
  by artist: John Hartford
  in album: The Fun Of Open Discussion
    type: MusicAlbum
    date published: 1995-01-17

Old Sport: Texas Shorty and John Hartford
type: MusicAlbum
date published: 1994-01-01
track: Miller Reel
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269706
  explicit: false
  by artist: John Hartford
  in album: Old Sport: Texas Shorty and John Hartford
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USHM80960580
track: Liverpool Horpipe
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178960
  explicit: false
  by artist: John Hartford
  in album: Old Sport: Texas Shorty and John Hartford
    type: MusicAlbum
    date published: 1994-01-01
track: Georgia Boys
  type: MusicRecording
  duration: PT3M34S
  duration ms: 214666
  explicit: false
  by artist: John Hartford
  in album: Old Sport: Texas Shorty and John Hartford
    type: MusicAlbum
    date published: 1994-01-01
track: Pretty Polly Anna
  type: MusicRecording
  duration: PT1M48S
  duration ms: 108533
  explicit: false
  by artist: John Hartford
  in album: Old Sport: Texas Shorty and John Hartford
    type: MusicAlbum
    date published: 1994-01-01
track: Midnight On the Water
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196840
  explicit: false
  by artist: John Hartford
  in album: Old Sport: Texas Shorty and John Hartford
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USHM80960584
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-23T02:01:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa36fe14eddd561ef9e3fcf166167403b75d02883c0d6cc44c48f3c28a967b059
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3jEfmpZfwNHB0DIXYI3LIJ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3jEfmpZfwNHB0DIXYI3LIJ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa36fe14eddd561ef9e3fcf166167403b75d02883c0d6cc44c48f3c28a967b059","isrc":"USHM80960584","name":"Midnight On the Water","registered_at":"2026-06-23T02:01:39Z","spotify_id":"3jEfmpZfwNHB0DIXYI3LIJ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa36fe14eddd561ef9e3fcf166167403b75d02883c0d6cc44c48f3c28a967b059. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3jEfmpZfwNHB0DIXYI3LIJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3jEfmpZfwNHB0DIXYI3LIJ.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xa36fe14eddd561ef9e3fcf166167403b75d02883c0d6cc44c48f3c28a967b059","isrc":"USHM80960584","name":"Midnight On the Water","registered_at":"2026-06-23T02:01:39Z","spotify_id":"3jEfmpZfwNHB0DIXYI3LIJ","type":"track"}
track: Salt River
  type: MusicRecording
  duration: PT3M59S
  duration ms: 239893
  explicit: false
  by artist: John Hartford
  in album: Old Sport: Texas Shorty and John Hartford
    type: MusicAlbum
    date published: 1994-01-01
track: Lady's Fancy
  type: MusicRecording
  duration: PT5M29S
  duration ms: 329466
  explicit: false
  by artist: John Hartford
  in album: Old Sport: Texas Shorty and John Hartford
    type: MusicAlbum
    date published: 1994-01-01
track: Old Sport
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221573
  explicit: false
  by artist: John Hartford
  in album: Old Sport: Texas Shorty and John Hartford
    type: MusicAlbum
    date published: 1994-01-01
track: Snowbird On the Ash Bank
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249226
  explicit: false
  by artist: John Hartford
  in album: Old Sport: Texas Shorty and John Hartford
    type: MusicAlbum
    date published: 1994-01-01
track: Laughing Boy
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203533
  explicit: false
  by artist: John Hartford
  in album: Old Sport: Texas Shorty and John Hartford
    type: MusicAlbum
    date published: 1994-01-01
track: Bonapart's Retreat
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190400
  explicit: false
  by artist: John Hartford
  in album: Old Sport: Texas Shorty and John Hartford
    type: MusicAlbum
    date published: 1994-01-01
track: Pretty Little Widder
  type: MusicRecording
  duration: PT5M40S
  duration ms: 340640
  explicit: false
  by artist: John Hartford
  in album: Old Sport: Texas Shorty and John Hartford
    type: MusicAlbum
    date published: 1994-01-01
track: Jack-o-diamonds
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246866
  explicit: false
  by artist: John Hartford
  in album: Old Sport: Texas Shorty and John Hartford
    type: MusicAlbum
    date published: 1994-01-01

Live At College Station Pennsylvania
type: MusicAlbum
date published: 1994-01-01
track: Gum Tree Canoe
  type: MusicRecording
  duration: PT4M3S
  duration ms: 243573
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854641
track: Gentle On My Mind
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199093
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854642
track: In Tall Buildings
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193266
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854643
track: Wrong Road Again
  type: MusicRecording
  duration: PT2M10S
  duration ms: 130333
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854644
track: Bring Your Clothes Back Home
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151666
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
track: Run Little Rabbit Run
  type: MusicRecording
  duration: PT1M41S
  duration ms: 101773
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854646
track: Lorena
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244533
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854647
track: The Girl I Left Behind Me
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162493
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854648
track: Learning to Smile
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263466
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854649
track: Cacklin' Hen
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153066
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854650
track: I Would Not Be Here
  type: MusicRecording
  duration: PT2M15S
  duration ms: 135306
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854651
track: Boogie
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228360
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854652
track: Old Time River Men
  type: MusicRecording
  duration: PT5M18S
  duration ms: 318866
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854653
track: Piece of My Heart
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213200
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854654
track: Natchez Whistle / The Julia Belle Swain
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262066
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854655
track: Skippin in the Mississippi Dew
  type: MusicRecording
  duration: PT4M11S
  duration ms: 251266
  explicit: false
  by artist: John Hartford
  in album: Live At College Station Pennsylvania
    type: MusicAlbum
    date published: 1994-01-01
  isrc code: USL4Q0854656

Cadillac Rag
type: MusicAlbum
date published: 1992-01-01
track: All American Rodeo Reel
  type: MusicRecording
  duration: PT2M20S
  duration ms: 140226
  explicit: false
  by artist: John Hartford
  in album: Cadillac Rag
    type: MusicAlbum
    date published: 1992-01-01
track: Cadillac Rag
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164266
  explicit: false
  by artist: John Hartford
  in album: Cadillac Rag
    type: MusicAlbum
    date published: 1992-01-01
  isrc code: USHM20997442
track: Time to Get Together
  type: MusicRecording
  duration: PT2M28S
  duration ms: 148733
  explicit: false
  by artist: John Hartford
  in album: Cadillac Rag
    type: MusicAlbum
    date published: 1992-01-01
track: Old John Hartford\'s Walkaround
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156040
  explicit: false
  by artist: John Hartford
  in album: Cadillac Rag
    type: MusicAlbum
    date published: 1992-01-01
track: Alaskan Hornpipe
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161600
  explicit: false
  by artist: John Hartford
  in album: Cadillac Rag
    type: MusicAlbum
    date published: 1992-01-01
track: Stones River
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157133
  explicit: false
  by artist: John Hartford
  in album: Cadillac Rag
    type: MusicAlbum
    date published: 1992-01-01
track: Nickajacks Lament
  type: MusicRecording
  duration: PT2M35S
  duration ms: 155200
  explicit: false
  by artist: John Hartford
  in album: Cadillac Rag
    type: MusicAlbum
    date published: 1992-01-01
  isrc code: USHM20997447
track: Rose of Gilroy
  type: MusicRecording
  duration: PT2M28S
  duration ms: 148293
  explicit: false
  by artist: John Hartford
  in album: Cadillac Rag
    type: MusicAlbum
    date published: 1992-01-01
track: Boy Unloading Crossties
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138040
  explicit: false
  by artist: John Hartford
  in album: Cadillac Rag
    type: MusicAlbum
    date published: 1992-01-01
track: Fritz Waltz
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222093
  explicit: false
  by artist: John Hartford
  in album: Cadillac Rag
    type: MusicAlbum
    date published: 1992-01-01

Hartford & Hartford
type: MusicAlbum
date published: 1991-07-15
track: Love Grown Cold
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174093
  explicit: false
  by artist: John Hartford
  by artist: Jamie Hartford
  in album: Hartford & Hartford
    type: MusicAlbum
    date published: 1991-07-15
track: Run Little Rabbit
  type: MusicRecording
  duration: PT1M32S
  duration ms: 92906
  explicit: false
  by artist: John Hartford
  by artist: Jamie Hartford
  in album: Hartford & Hartford
    type: MusicAlbum
    date published: 1991-07-15
  isrc code: USFF29156602
track: Killing Floor
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181293
  explicit: false
  by artist: John Hartford
  by artist: Jamie Hartford
  in album: Hartford & Hartford
    type: MusicAlbum
    date published: 1991-07-15
  isrc code: USFF29156603
track: When The Roses Bloom In Dixieland
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261506
  explicit: false
  by artist: John Hartford
  by artist: Jamie Hartford
  in album: Hartford & Hartford
    type: MusicAlbum
    date published: 1991-07-15
  isrc code: USFF29156604
track: New Love
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174093
  explicit: false
  by artist: John Hartford
  by artist: Jamie Hartford
  in album: Hartford & Hartford
    type: MusicAlbum
    date published: 1991-07-15
track: Sweet Sunny South
  type: MusicRecording
  duration: PT4M41S
  duration ms: 281200
  explicit: false
  by artist: John Hartford
  by artist: Jamie Hartford
  in album: Hartford & Hartford
    type: MusicAlbum
    date published: 1991-07-15
  isrc code: USFF29156606
track: Painful Memories
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178866
  explicit: false
  by artist: John Hartford
  by artist: Jamie Hartford
  in album: Hartford & Hartford
    type: MusicAlbum
    date published: 1991-07-15
  isrc code: USFF29156607
track: Nobody's Darling But Mine
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193733
  explicit: false
  by artist: John Hartford
  by artist: Jamie Hartford
  in album: Hartford & Hartford
    type: MusicAlbum
    date published: 1991-07-15
  isrc code: USFF29156608
track: Put All Your Troubles Away
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121906
  explicit: false
  by artist: John Hartford
  by artist: Jamie Hartford
  in album: Hartford & Hartford
    type: MusicAlbum
    date published: 1991-07-15
  isrc code: USFF29156609
track: I Know You Don't Love Me No More
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188960
  explicit: false
  by artist: John Hartford
  by artist: Jamie Hartford
  in album: Hartford & Hartford
    type: MusicAlbum
    date published: 1991-07-15
track: She's Still Gonna Break Your Heart
  type: MusicRecording
  duration: PT1M52S
  duration ms: 112933
  explicit: false
  by artist: John Hartford
  by artist: Jamie Hartford
  in album: Hartford & Hartford
    type: MusicAlbum
    date published: 1991-07-15
  isrc code: USFF29156611

Down On The River
type: MusicAlbum
date published: 1989-12-01
track: Here I Am In Love Again
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157426
  explicit: false
  by artist: John Hartford
  in album: Down On The River
    type: MusicAlbum
    date published: 1989-12-01
  isrc code: USFF28951401
track: Bring Your Clothes Back Home
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151773
  explicit: false
  by artist: John Hartford
  in album: Down On The River
    type: MusicAlbum
    date published: 1989-12-01
  isrc code: USFF28951402
track: I Wish We Had Our Time Again
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174066
  explicit: false
  by artist: John Hartford
  in album: Down On The River
    type: MusicAlbum
    date published: 1989-12-01
  isrc code: USFF28951403
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T10:42:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1787dcba155edeabe6c5748f05f5e677ff3202b4600fe18518e1608426a8ea1c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0yydpZOEbA5yxVZPTWDdWQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0yydpZOEbA5yxVZPTWDdWQ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x1787dcba155edeabe6c5748f05f5e677ff3202b4600fe18518e1608426a8ea1c","isrc":"USFF28951403","name":"I Wish We Had Our Time Again","registered_at":"2026-06-24T10:42:34Z","spotify_id":"0yydpZOEbA5yxVZPTWDdWQ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1787dcba155edeabe6c5748f05f5e677ff3202b4600fe18518e1608426a8ea1c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0yydpZOEbA5yxVZPTWDdWQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0yydpZOEbA5yxVZPTWDdWQ.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x1787dcba155edeabe6c5748f05f5e677ff3202b4600fe18518e1608426a8ea1c","isrc":"USFF28951403","name":"I Wish We Had Our Time Again","registered_at":"2026-06-24T10:42:34Z","spotify_id":"0yydpZOEbA5yxVZPTWDdWQ","type":"track"}
track: All I Got Is Gone Away
  type: MusicRecording
  duration: PT1M49S
  duration ms: 109426
  explicit: false
  by artist: John Hartford
  in album: Down On The River
    type: MusicAlbum
    date published: 1989-12-01
  isrc code: USFF28951404
track: Delta Queen Waltz
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229400
  explicit: false
  by artist: John Hartford
  in album: Down On The River
    type: MusicAlbum
    date published: 1989-12-01
  isrc code: USFF28951405
track: Old Time River Man
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217800
  explicit: false
  by artist: John Hartford
  in album: Down On The River
    type: MusicAlbum
    date published: 1989-12-01
  isrc code: USFF28951406
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T20:16:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd3fa8c64a45e66a97e973b3d331ebec9c6b44c2a84f74bf45c07554dd345e479
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5lFIL5uCqIzN47NYVOY8HN.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5lFIL5uCqIzN47NYVOY8HN
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xd3fa8c64a45e66a97e973b3d331ebec9c6b44c2a84f74bf45c07554dd345e479","isrc":"USFF28951406","name":"Old Time River Man","registered_at":"2026-06-25T20:16:34Z","spotify_id":"5lFIL5uCqIzN47NYVOY8HN","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd3fa8c64a45e66a97e973b3d331ebec9c6b44c2a84f74bf45c07554dd345e479. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5lFIL5uCqIzN47NYVOY8HN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5lFIL5uCqIzN47NYVOY8HN.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0xd3fa8c64a45e66a97e973b3d331ebec9c6b44c2a84f74bf45c07554dd345e479","isrc":"USFF28951406","name":"Old Time River Man","registered_at":"2026-06-25T20:16:34Z","spotify_id":"5lFIL5uCqIzN47NYVOY8HN","type":"track"}
track: Men All Want To Be Hoboes
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158173
  explicit: false
  by artist: John Hartford
  in album: Down On The River
    type: MusicAlbum
    date published: 1989-12-01
  isrc code: USFF28951407
track: Right In The Middle Of Falling For You
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193733
  explicit: false
  by artist: John Hartford
  in album: Down On The River
    type: MusicAlbum
    date published: 1989-12-01
  isrc code: USFF28951408
track: There'll Never Be Another You
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175000
  explicit: false
  by artist: John Hartford
  in album: Down On The River
    type: MusicAlbum
    date published: 1989-12-01
  isrc code: USFF28951409
track: Little Boy
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153360
  explicit: false
  by artist: John Hartford
  in album: Down On The River
    type: MusicAlbum
    date published: 1989-12-01
  isrc code: USFF28951410
track: General Jackson
  type: MusicRecording
  duration: PT1M45S
  duration ms: 105106
  explicit: false
  by artist: John Hartford
  in album: Down On The River
    type: MusicAlbum
    date published: 1989-12-01
  isrc code: USFF28951411

Mark Twang
type: MusicAlbum
date published: 1976-01-01
track: Skippin' In The Mississippi Dew
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181200
  explicit: false
  by artist: John Hartford
  in album: Mark Twang
    type: MusicAlbum
    date published: 1976-01-01
  isrc code: USFF27602001
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T09:31:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3d1fd34482487e7a2a5eb6c398bb1c4ede3a55e8adf858691fc6262dfad82250
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5W8k7iOfiYvXzO2XIjdpzZ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5W8k7iOfiYvXzO2XIjdpzZ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3d1fd34482487e7a2a5eb6c398bb1c4ede3a55e8adf858691fc6262dfad82250","isrc":"USFF27602001","name":"Skippin' In The Mississippi Dew","registered_at":"2026-06-19T09:31:38Z","spotify_id":"5W8k7iOfiYvXzO2XIjdpzZ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3d1fd34482487e7a2a5eb6c398bb1c4ede3a55e8adf858691fc6262dfad82250. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5W8k7iOfiYvXzO2XIjdpzZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5W8k7iOfiYvXzO2XIjdpzZ.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x3d1fd34482487e7a2a5eb6c398bb1c4ede3a55e8adf858691fc6262dfad82250","isrc":"USFF27602001","name":"Skippin' In The Mississippi Dew","registered_at":"2026-06-19T09:31:38Z","spotify_id":"5W8k7iOfiYvXzO2XIjdpzZ","type":"track"}
track: Long Hot Summer Days
  type: MusicRecording
  duration: PT4M48S
  duration ms: 288760
  explicit: false
  by artist: John Hartford
  in album: Mark Twang
    type: MusicAlbum
    date published: 1976-01-01
  isrc code: USFF27602002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T11:26:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb1d288b419ebf9648cf02287a3e360c0881282d3588d154ce9383650567488fb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/3b2Ph5pbTDpzafQ4Ol8N0m.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3b2Ph5pbTDpzafQ4Ol8N0m
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb1d288b419ebf9648cf02287a3e360c0881282d3588d154ce9383650567488fb","isrc":"USFF27602002","name":"Long Hot Summer Days","registered_at":"2026-06-08T11:26:51Z","spotify_id":"3b2Ph5pbTDpzafQ4Ol8N0m","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xb1d288b419ebf9648cf02287a3e360c0881282d3588d154ce9383650567488fb. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3b2Ph5pbTDpzafQ4Ol8N0m.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3b2Ph5pbTDpzafQ4Ol8N0m.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xb1d288b419ebf9648cf02287a3e360c0881282d3588d154ce9383650567488fb","isrc":"USFF27602002","name":"Long Hot Summer Days","registered_at":"2026-06-08T11:26:51Z","spotify_id":"3b2Ph5pbTDpzafQ4Ol8N0m","type":"track"}
track: Let Him Go on Mama
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229973
  explicit: false
  by artist: John Hartford
  in album: Mark Twang
    type: MusicAlbum
    date published: 1976-01-01
  isrc code: USFF27602003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T02:48:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0ae11cbfce8b44a7f327bfb55266c284ab3b698d804cae68e48f044beab54249
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7Lw7GxtqLCyEa5KJw6CMjS.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Lw7GxtqLCyEa5KJw6CMjS
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x0ae11cbfce8b44a7f327bfb55266c284ab3b698d804cae68e48f044beab54249","isrc":"USFF27602003","name":"Let Him Go on Mama","registered_at":"2026-06-10T02:48:00Z","spotify_id":"7Lw7GxtqLCyEa5KJw6CMjS","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x0ae11cbfce8b44a7f327bfb55266c284ab3b698d804cae68e48f044beab54249. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7Lw7GxtqLCyEa5KJw6CMjS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7Lw7GxtqLCyEa5KJw6CMjS.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x0ae11cbfce8b44a7f327bfb55266c284ab3b698d804cae68e48f044beab54249","isrc":"USFF27602003","name":"Let Him Go on Mama","registered_at":"2026-06-10T02:48:00Z","spotify_id":"7Lw7GxtqLCyEa5KJw6CMjS","type":"track"}
track: Don't Leave Your Records in the Sun
  type: MusicRecording
  duration: PT2M26S
  duration ms: 146666
  explicit: false
  by artist: John Hartford
  in album: Mark Twang
    type: MusicAlbum
    date published: 1976-01-01
  isrc code: USFF27602004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T22:06:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x99538fc84d7c3484e3ca788c0e0a9a0c9188674716da33cba146f743ecd38672
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4mx9BCPdq0Cou753f8ZxFb.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4mx9BCPdq0Cou753f8ZxFb
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x99538fc84d7c3484e3ca788c0e0a9a0c9188674716da33cba146f743ecd38672","isrc":"USFF27602004","name":"Don't Leave Your Records in the Sun","registered_at":"2026-06-21T22:06:06Z","spotify_id":"4mx9BCPdq0Cou753f8ZxFb","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x99538fc84d7c3484e3ca788c0e0a9a0c9188674716da33cba146f743ecd38672. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4mx9BCPdq0Cou753f8ZxFb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4mx9BCPdq0Cou753f8ZxFb.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0x99538fc84d7c3484e3ca788c0e0a9a0c9188674716da33cba146f743ecd38672","isrc":"USFF27602004","name":"Don't Leave Your Records in the Sun","registered_at":"2026-06-21T22:06:06Z","spotify_id":"4mx9BCPdq0Cou753f8ZxFb","type":"track"}
track: Tater Tate and Allen Mundy
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162293
  explicit: false
  by artist: John Hartford
  in album: Mark Twang
    type: MusicAlbum
    date published: 1976-01-01
  isrc code: USFF27602005
track: The Julia Belle Swain
track: Little Cabin Home On The Hill Waugh Waugh
track: Austin Minor Sympathy
track: The Lowest Pair
track: Trying To Do Something To Get Your Attention

The Julia Belle Swain
type: MusicRecording
duration: PT4M48S
duration ms: 288600
explicit: false
by artist: John Hartford
in album: Mark Twang
  type: MusicAlbum
  date published: 1976-01-01
isrc code: USFF27602006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T03:47:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8d1ce344aab7f8622a49b18babd2c6f1bbc35415ae2b36e7efc1dddbc57098f5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7pHBp6H1vn7RgXiFwTAZqK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7pHBp6H1vn7RgXiFwTAZqK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8d1ce344aab7f8622a49b18babd2c6f1bbc35415ae2b36e7efc1dddbc57098f5","isrc":"USFF27602006","name":"The Julia Belle Swain","registered_at":"2026-06-21T03:47:18Z","spotify_id":"7pHBp6H1vn7RgXiFwTAZqK","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x8d1ce344aab7f8622a49b18babd2c6f1bbc35415ae2b36e7efc1dddbc57098f5. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7pHBp6H1vn7RgXiFwTAZqK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7pHBp6H1vn7RgXiFwTAZqK.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x8d1ce344aab7f8622a49b18babd2c6f1bbc35415ae2b36e7efc1dddbc57098f5","isrc":"USFF27602006","name":"The Julia Belle Swain","registered_at":"2026-06-21T03:47:18Z","spotify_id":"7pHBp6H1vn7RgXiFwTAZqK","type":"track"}

Little Cabin Home On The Hill Waugh Waugh
type: MusicRecording
duration: PT1M13S
duration ms: 73440
explicit: false
by artist: John Hartford
in album: Mark Twang
  type: MusicAlbum
  date published: 1976-01-01
isrc code: USFF27602007

Austin Minor Sympathy
type: MusicRecording
duration: PT6M42S
duration ms: 402800
explicit: false
by artist: John Hartford
in album: Mark Twang
  type: MusicAlbum
  date published: 1976-01-01
isrc code: USFF27602008

The Lowest Pair
type: MusicRecording
duration: PT0M45S
duration ms: 45360
explicit: false
by artist: John Hartford
in album: Mark Twang
  type: MusicAlbum
  date published: 1976-01-01
isrc code: USFF27602009

Trying To Do Something To Get Your Attention
type: MusicRecording
duration: PT4M39S
duration ms: 279933
explicit: false
by artist: John Hartford
in album: Mark Twang
  type: MusicAlbum
  date published: 1976-01-01
isrc code: USFF27602010

Radio John
type: MusicAlbum
date published: 1971-02-01
track: Skippin in the Mississippi Dew
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157360
  explicit: false
  by artist: John Hartford
  in album: Radio John
    type: MusicAlbum
    date published: 1971-02-01
  isrc code: USRC12100869
track: Self Made Man
  type: MusicRecording
  duration: PT3M53S
  duration ms: 233826
  explicit: false
  by artist: John Hartford
  in album: Radio John
    type: MusicAlbum
    date published: 1971-02-01
  isrc code: USRC12100870
track: In Tall Buildings
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192013
  explicit: false
  by artist: John Hartford
  in album: Radio John
    type: MusicAlbum
    date published: 1971-02-01
  isrc code: USRC12100871
track: And the Band Played On
  type: MusicRecording
  duration: PT4M5S
  duration ms: 245480
  explicit: false
  by artist: John Hartford
  in album: Radio John
    type: MusicAlbum
    date published: 1971-02-01
  isrc code: USRC12100872
track: Orange Blossom Special
  type: MusicRecording
  duration: PT5M53S
  duration ms: 353426
  explicit: false
  by artist: John Hartford
  in album: Radio John
    type: MusicAlbum
    date published: 1971-02-01
  isrc code: USRC12100873
track: Bed on Mind
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212146
  explicit: false
  by artist: John Hartford
  in album: Radio John
    type: MusicAlbum
    date published: 1971-02-01
  isrc code: USRC12100874
track: Waugh Paugh
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287746
  explicit: false
  by artist: John Hartford
  in album: Radio John
    type: MusicAlbum
    date published: 1971-02-01
  isrc code: USRC12100875
track: White Lightning
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249826
  explicit: false
  by artist: John Hartford
  in album: Radio John
    type: MusicAlbum
    date published: 1971-02-01
  isrc code: USRC12100876
track: Sunshine Lady, You Really Know How to Slow a Man Down
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200733
  explicit: false
  by artist: John Hartford
  in album: Radio John
    type: MusicAlbum
    date published: 1971-02-01
  isrc code: USRC12100877
track: I Don't Love Nobody
  type: MusicRecording
  duration: PT5M29S
  duration ms: 329200
  explicit: false
  by artist: John Hartford
  in album: Radio John
    type: MusicAlbum
    date published: 1971-02-01
  isrc code: USRC12100878

Aereo-Plain Band
type: MusicAlbum
date published: 1970-01-01
track: Turn Your Radio On - Live in the Studio - WABN Cincinnati 9 Nov '71
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173702
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Slumberin’ On the Cumberland
  type: MusicRecording
  duration: PT1M47S
  duration ms: 107925
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Tear Down the Grand Ole Opry
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227383
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Daisy Dean
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260794
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Doin’ My Time
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181121
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Back In the Goodle Days
  type: MusicRecording
  duration: PT4M29S
  duration ms: 269989
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Vamp In the Middle
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141336
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Steam Powered Aereo Plane
  type: MusicRecording
  duration: PT4M30S
  duration ms: 270459
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: California Earthquake
  type: MusicRecording
  duration: PT3M59S
  duration ms: 239635
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Way Downtown
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256118
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Instrumental
  type: MusicRecording
  duration: PT3M58S
  duration ms: 238041
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Nashville Skyline Rag
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172761
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Up On the Hill Where They Do the Boogie
  type: MusicRecording
  duration: PT3M20S
  duration ms: 200347
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: The Six O’clock Train and a Girl With Green Eyes
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201104
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Holding
  type: MusicRecording
  duration: PT4M22S
  duration ms: 262466
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Banks of the Ohio
  type: MusicRecording
  duration: PT4M55S
  duration ms: 295929
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Steamboat Whistle Blues - Live in the Studio, WABN Cincinnati 9 Nov '71
  type: MusicRecording
  duration: PT4M52S
  duration ms: 292036
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: Shady Grove - Live in the Studio, WABN Cincinnati 9 Nov '71
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174956
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01
track: I Still Miss Someone - Live in the Studio, WABN Cincinnati 9 Nov '71
  type: MusicRecording
  duration: PT4M47S
  duration ms: 287726
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain Band
    type: MusicAlbum
    date published: 1970-01-01

Aereo-Plain
type: MusicAlbum
date published: 1970-01-01
track: Turn Your Radio On (I)
  type: MusicRecording
  duration: PT1M22S
  duration ms: 82053
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USWB11102428
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T19:20:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x67d2b598284483234bc36681026ec8118020a68ee1b2b36c80992fd69a9fe216
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/26B26WCeVj7G7IDtfO6wkB.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/26B26WCeVj7G7IDtfO6wkB
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x67d2b598284483234bc36681026ec8118020a68ee1b2b36c80992fd69a9fe216","isrc":"USWB11102428","name":"Turn Your Radio On (I)","registered_at":"2026-06-07T19:20:44Z","spotify_id":"26B26WCeVj7G7IDtfO6wkB","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x67d2b598284483234bc36681026ec8118020a68ee1b2b36c80992fd69a9fe216. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/26B26WCeVj7G7IDtfO6wkB.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/26B26WCeVj7G7IDtfO6wkB.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x67d2b598284483234bc36681026ec8118020a68ee1b2b36c80992fd69a9fe216","isrc":"USWB11102428","name":"Turn Your Radio On (I)","registered_at":"2026-06-07T19:20:44Z","spotify_id":"26B26WCeVj7G7IDtfO6wkB","type":"track"}
track: Steamboat Whistle Blues
  type: MusicRecording
  duration: PT3M25S
  duration ms: 205253
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USWB11102429
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T09:57:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1cfad370b74557ae85d45cca607b0ac94c21f0f14693ace06ecc344dffe931e8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4uK4kHwFyJdehrTvdXAQhr.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4uK4kHwFyJdehrTvdXAQhr
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x1cfad370b74557ae85d45cca607b0ac94c21f0f14693ace06ecc344dffe931e8","isrc":"USWB11102429","name":"Steamboat Whistle Blues","registered_at":"2026-06-08T09:57:34Z","spotify_id":"4uK4kHwFyJdehrTvdXAQhr","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1cfad370b74557ae85d45cca607b0ac94c21f0f14693ace06ecc344dffe931e8. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4uK4kHwFyJdehrTvdXAQhr.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4uK4kHwFyJdehrTvdXAQhr.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x1cfad370b74557ae85d45cca607b0ac94c21f0f14693ace06ecc344dffe931e8","isrc":"USWB11102429","name":"Steamboat Whistle Blues","registered_at":"2026-06-08T09:57:34Z","spotify_id":"4uK4kHwFyJdehrTvdXAQhr","type":"track"}
track: Up on the Hill Where They Do the Boogie
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163106
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USWB11102431
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T23:20:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3cce47e38d9ae797a4b2f2a48acb9f4683d6a8b977ff69d99b013435351d1b97
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5WF2sfaLMg7sUj1pjDjGDD.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5WF2sfaLMg7sUj1pjDjGDD
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3cce47e38d9ae797a4b2f2a48acb9f4683d6a8b977ff69d99b013435351d1b97","isrc":"USWB11102431","name":"Up on the Hill Where They Do the Boogie","registered_at":"2026-06-06T23:20:17Z","spotify_id":"5WF2sfaLMg7sUj1pjDjGDD","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3cce47e38d9ae797a4b2f2a48acb9f4683d6a8b977ff69d99b013435351d1b97. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5WF2sfaLMg7sUj1pjDjGDD.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5WF2sfaLMg7sUj1pjDjGDD.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0x3cce47e38d9ae797a4b2f2a48acb9f4683d6a8b977ff69d99b013435351d1b97","isrc":"USWB11102431","name":"Up on the Hill Where They Do the Boogie","registered_at":"2026-06-06T23:20:17Z","spotify_id":"5WF2sfaLMg7sUj1pjDjGDD","type":"track"}
track: Boogie
  type: MusicRecording
  duration: PT1M41S
  duration ms: 101906
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USWB11102432
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T09:33:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5806cde5540bce9c68f96e560e72bcea7cb91b472baee3890af54d5bec79f409
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/64ECbxXHWeBRhtcq6GLiOm.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/64ECbxXHWeBRhtcq6GLiOm
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5806cde5540bce9c68f96e560e72bcea7cb91b472baee3890af54d5bec79f409. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/64ECbxXHWeBRhtcq6GLiOm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/64ECbxXHWeBRhtcq6GLiOm.
    date published: 2026-07-02T03:55:08Z
track: First Girl I Loved
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275200
  explicit: false
  by artist: John Hartford
  in album: Aereo-Plain
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USWB11102433
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Presbyterian Guitar
track: With a Vamp in the Middle
track: Symphony Hall Rag
track: Because of You
track: Steam Powered Aereo Plane
track: Holding
track: Tear Down the Grand Ole Opry
track: Leather Britches
track: Station Break
track: Turn Your Radio On (II)

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-09T06:52:59+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x6b0241c9229a9d5aa5fbb6a08ac92c9e63a449d67f217abf2e4b1237e6b0cdad

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/0zNeXQaeo0SqLWOVn9YBx0.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0zNeXQaeo0SqLWOVn9YBx0

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x6b0241c9229a9d5aa5fbb6a08ac92c9e63a449d67f217abf2e4b1237e6b0cdad","isrc":"USWB11102433","name":"First Girl I Loved","registered_at":"2026-06-09T06:52:59Z","spotify_id":"0zNeXQaeo0SqLWOVn9YBx0","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b0241c9229a9d5aa5fbb6a08ac92c9e63a449d67f217abf2e4b1237e6b0cdad. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0zNeXQaeo0SqLWOVn9YBx0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0zNeXQaeo0SqLWOVn9YBx0.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x6b0241c9229a9d5aa5fbb6a08ac92c9e63a449d67f217abf2e4b1237e6b0cdad","isrc":"USWB11102433","name":"First Girl I Loved","registered_at":"2026-06-09T06:52:59Z","spotify_id":"0zNeXQaeo0SqLWOVn9YBx0","type":"track"}

Presbyterian Guitar
type: MusicRecording
duration: PT2M1S
duration ms: 121746
explicit: false
by artist: John Hartford
in album: Aereo-Plain
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102434
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:27:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c6cbe3bb499bf42e0d4e6c650f370e078e58b60960bba61828d45aabe2f3863
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/40ChAuoodhjwPKcvb73q03.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/40ChAuoodhjwPKcvb73q03
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5c6cbe3bb499bf42e0d4e6c650f370e078e58b60960bba61828d45aabe2f3863","isrc":"USWB11102434","name":"Presbyterian Guitar","registered_at":"2026-06-07T19:27:14Z","spotify_id":"40ChAuoodhjwPKcvb73q03","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x5c6cbe3bb499bf42e0d4e6c650f370e078e58b60960bba61828d45aabe2f3863. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/40ChAuoodhjwPKcvb73q03.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/40ChAuoodhjwPKcvb73q03.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x5c6cbe3bb499bf42e0d4e6c650f370e078e58b60960bba61828d45aabe2f3863","isrc":"USWB11102434","name":"Presbyterian Guitar","registered_at":"2026-06-07T19:27:14Z","spotify_id":"40ChAuoodhjwPKcvb73q03","type":"track"}

With a Vamp in the Middle
type: MusicRecording
duration: PT3M27S
duration ms: 207240
explicit: false
by artist: John Hartford
in album: Aereo-Plain
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102435
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T02:34:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1fa5a7c8de39f764274d754e77c803d7b8810d255de31108194c92b9c2fad4c9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5xWl7Z8yYECvKAHhTqlfIu.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xWl7Z8yYECvKAHhTqlfIu
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1fa5a7c8de39f764274d754e77c803d7b8810d255de31108194c92b9c2fad4c9","isrc":"USWB11102435","name":"With a Vamp in the Middle","registered_at":"2026-06-08T02:34:34Z","spotify_id":"5xWl7Z8yYECvKAHhTqlfIu","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1fa5a7c8de39f764274d754e77c803d7b8810d255de31108194c92b9c2fad4c9. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5xWl7Z8yYECvKAHhTqlfIu.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5xWl7Z8yYECvKAHhTqlfIu.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x1fa5a7c8de39f764274d754e77c803d7b8810d255de31108194c92b9c2fad4c9","isrc":"USWB11102435","name":"With a Vamp in the Middle","registered_at":"2026-06-08T02:34:34Z","spotify_id":"5xWl7Z8yYECvKAHhTqlfIu","type":"track"}

Symphony Hall Rag
type: MusicRecording
duration: PT2M48S
duration ms: 168360
explicit: false
by artist: John Hartford
in album: Aereo-Plain
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102436
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T09:36:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x014537a8be781393c8f049b0ac8d3b0872389d19b8b1404ec190ad6166a0f4e0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/24X4f8HoyZj7Hb6wNObdct.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/24X4f8HoyZj7Hb6wNObdct
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x014537a8be781393c8f049b0ac8d3b0872389d19b8b1404ec190ad6166a0f4e0","isrc":"USWB11102436","name":"Symphony Hall Rag","registered_at":"2026-06-19T09:36:32Z","spotify_id":"24X4f8HoyZj7Hb6wNObdct","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x014537a8be781393c8f049b0ac8d3b0872389d19b8b1404ec190ad6166a0f4e0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/24X4f8HoyZj7Hb6wNObdct.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/24X4f8HoyZj7Hb6wNObdct.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x014537a8be781393c8f049b0ac8d3b0872389d19b8b1404ec190ad6166a0f4e0","isrc":"USWB11102436","name":"Symphony Hall Rag","registered_at":"2026-06-19T09:36:32Z","spotify_id":"24X4f8HoyZj7Hb6wNObdct","type":"track"}

Because of You
type: MusicRecording
duration: PT1M2S
duration ms: 62466
explicit: false
by artist: John Hartford
in album: Aereo-Plain
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102437
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T13:42:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51f1e1f05a5e0013a46d9f5be40cd06bb1277307725c2b9ac333e5104972bb76
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6WAJJI5sqRM3JrykG7Ozn3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6WAJJI5sqRM3JrykG7Ozn3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x51f1e1f05a5e0013a46d9f5be40cd06bb1277307725c2b9ac333e5104972bb76","isrc":"USWB11102437","name":"Because of You","registered_at":"2026-06-18T13:42:39Z","spotify_id":"6WAJJI5sqRM3JrykG7Ozn3","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x51f1e1f05a5e0013a46d9f5be40cd06bb1277307725c2b9ac333e5104972bb76. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6WAJJI5sqRM3JrykG7Ozn3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6WAJJI5sqRM3JrykG7Ozn3.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x51f1e1f05a5e0013a46d9f5be40cd06bb1277307725c2b9ac333e5104972bb76","isrc":"USWB11102437","name":"Because of You","registered_at":"2026-06-18T13:42:39Z","spotify_id":"6WAJJI5sqRM3JrykG7Ozn3","type":"track"}

Steam Powered Aereo Plane
type: MusicRecording
duration: PT3M43S
duration ms: 223280
explicit: false
by artist: John Hartford
in album: Aereo-Plain
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102438
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T03:30:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea025c5e4db20bcd41060a421b3a9fc304893caac3d1e81baae638c0d2c17b05
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6uIN2uMmxo9Ycq9EhTjsLw.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6uIN2uMmxo9Ycq9EhTjsLw
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xea025c5e4db20bcd41060a421b3a9fc304893caac3d1e81baae638c0d2c17b05","isrc":"USWB11102438","name":"Steam Powered Aereo Plane","registered_at":"2026-06-06T03:30:41Z","spotify_id":"6uIN2uMmxo9Ycq9EhTjsLw","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xea025c5e4db20bcd41060a421b3a9fc304893caac3d1e81baae638c0d2c17b05. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6uIN2uMmxo9Ycq9EhTjsLw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6uIN2uMmxo9Ycq9EhTjsLw.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xea025c5e4db20bcd41060a421b3a9fc304893caac3d1e81baae638c0d2c17b05","isrc":"USWB11102438","name":"Steam Powered Aereo Plane","registered_at":"2026-06-06T03:30:41Z","spotify_id":"6uIN2uMmxo9Ycq9EhTjsLw","type":"track"}

Holding
type: MusicRecording
duration: PT1M49S
duration ms: 109026
explicit: false
by artist: John Hartford
in album: Aereo-Plain
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102439
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:57:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x431a53f176afd08581f4d4a0cfcf6c4eaec8102bc41e7abd5d9f8ea2c3e844e8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/70r42JVnEEElDBUxYbuyLg.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/70r42JVnEEElDBUxYbuyLg
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x431a53f176afd08581f4d4a0cfcf6c4eaec8102bc41e7abd5d9f8ea2c3e844e8. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/70r42JVnEEElDBUxYbuyLg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/70r42JVnEEElDBUxYbuyLg.
  date published: 2026-06-13T17:25:41Z

Tear Down the Grand Ole Opry
type: MusicRecording
duration: PT3M28S
duration ms: 208640
explicit: false
by artist: John Hartford
in album: Aereo-Plain
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102440
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:49:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x89b283dc82829b40d8dbb1402e70617a5d530a9b657677dd9267e9e0a2ebaf5c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7bdVB4LjVQeA38XY7RZw4t.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7bdVB4LjVQeA38XY7RZw4t
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x89b283dc82829b40d8dbb1402e70617a5d530a9b657677dd9267e9e0a2ebaf5c","isrc":"USWB11102440","name":"Tear Down the Grand Ole Opry","registered_at":"2026-06-10T02:49:13Z","spotify_id":"7bdVB4LjVQeA38XY7RZw4t","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x89b283dc82829b40d8dbb1402e70617a5d530a9b657677dd9267e9e0a2ebaf5c. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7bdVB4LjVQeA38XY7RZw4t.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7bdVB4LjVQeA38XY7RZw4t.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x89b283dc82829b40d8dbb1402e70617a5d530a9b657677dd9267e9e0a2ebaf5c","isrc":"USWB11102440","name":"Tear Down the Grand Ole Opry","registered_at":"2026-06-10T02:49:13Z","spotify_id":"7bdVB4LjVQeA38XY7RZw4t","type":"track"}

Leather Britches
type: MusicRecording
duration: PT2M3S
duration ms: 123920
explicit: false
by artist: John Hartford
in album: Aereo-Plain
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102441
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:34:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe44848007139d0c0ccb65bd77052fda9289e2dd8cc15742c34344bf7ee54655b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7COfHmJCxqUe6WkH4w7Z3G.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7COfHmJCxqUe6WkH4w7Z3G
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe44848007139d0c0ccb65bd77052fda9289e2dd8cc15742c34344bf7ee54655b","isrc":"USWB11102441","name":"Leather Britches","registered_at":"2026-06-18T14:34:31Z","spotify_id":"7COfHmJCxqUe6WkH4w7Z3G","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe44848007139d0c0ccb65bd77052fda9289e2dd8cc15742c34344bf7ee54655b. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7COfHmJCxqUe6WkH4w7Z3G.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7COfHmJCxqUe6WkH4w7Z3G.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xe44848007139d0c0ccb65bd77052fda9289e2dd8cc15742c34344bf7ee54655b","isrc":"USWB11102441","name":"Leather Britches","registered_at":"2026-06-18T14:34:31Z","spotify_id":"7COfHmJCxqUe6WkH4w7Z3G","type":"track"}

Station Break
type: MusicRecording
duration: PT0M17S
duration ms: 17333
explicit: false
by artist: John Hartford
in album: Aereo-Plain
  type: MusicAlbum
  date published: 1970-01-01

Turn Your Radio On (II)
type: MusicRecording
duration: PT2M16S
duration ms: 136333
explicit: false
by artist: John Hartford
in album: Aereo-Plain
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102443
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:36:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x20d6d8a9e5ef1a9542a85c76bd3a79ea70735beb1387c16f642315bc5332b0c0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0aLvn31cmUcmhtSnbty3iS.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0aLvn31cmUcmhtSnbty3iS
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x20d6d8a9e5ef1a9542a85c76bd3a79ea70735beb1387c16f642315bc5332b0c0","isrc":"USWB11102443","name":"Turn Your Radio On (II)","registered_at":"2026-06-18T14:36:40Z","spotify_id":"0aLvn31cmUcmhtSnbty3iS","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x20d6d8a9e5ef1a9542a85c76bd3a79ea70735beb1387c16f642315bc5332b0c0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0aLvn31cmUcmhtSnbty3iS.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0aLvn31cmUcmhtSnbty3iS.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x20d6d8a9e5ef1a9542a85c76bd3a79ea70735beb1387c16f642315bc5332b0c0","isrc":"USWB11102443","name":"Turn Your Radio On (II)","registered_at":"2026-06-18T14:36:40Z","spotify_id":"0aLvn31cmUcmhtSnbty3iS","type":"track"}

Iron Mountain Depot
type: MusicAlbum
date published: 1970-06-01
track: Like Unto a Mockingbird
  type: MusicRecording
  duration: PT4M14S
  duration ms: 254200
  explicit: false
  by artist: John Hartford
  in album: Iron Mountain Depot
    type: MusicAlbum
    date published: 1970-06-01
  isrc code: USRC16908477
track: Meanwhile You Sit By My Banjo
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172266
  explicit: false
  by artist: John Hartford
  in album: Iron Mountain Depot
    type: MusicAlbum
    date published: 1970-06-01
  isrc code: USRC17007961
track: I Won't Know Why I Went Till After I Get Back, Maybe
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180906
  explicit: false
  by artist: John Hartford
  in album: Iron Mountain Depot
    type: MusicAlbum
    date published: 1970-06-01
  isrc code: USRC16908467
track: Maybe
  type: MusicRecording
  duration: PT1M41S
  duration ms: 101200
  explicit: false
  by artist: John Hartford
  in album: Iron Mountain Depot
    type: MusicAlbum
    date published: 1970-06-01
track: Go Home Girl
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199160
  explicit: false
  by artist: John Hartford
  in album: Iron Mountain Depot
    type: MusicAlbum
    date published: 1970-06-01
  isrc code: USRC17007979
track: Natural To Be Gone
  type: MusicRecording
  duration: PT3M5S
  duration ms: 185133
  explicit: false
  by artist: John Hartford
  in album: Iron Mountain Depot
    type: MusicAlbum
    date published: 1970-06-01
  isrc code: USRC12000528
track: Before They Tow My Car Away
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181333
  explicit: false
  by artist: John Hartford
  in album: Iron Mountain Depot
    type: MusicAlbum
    date published: 1970-06-01
track: To Say
  type: MusicRecording
  duration: PT3M41S
  duration ms: 221573
  explicit: false
  by artist: John Hartford
  in album: Iron Mountain Depot
    type: MusicAlbum
    date published: 1970-06-01
  isrc code: USRC17007987
track: Frustrated Bird
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159226
  explicit: false
  by artist: John Hartford
  in album: Iron Mountain Depot
    type: MusicAlbum
    date published: 1970-06-01
track: Hey Jude
  type: MusicRecording
  duration: PT6M50S
  duration ms: 410706
  explicit: false
  by artist: John Hartford
  in album: Iron Mountain Depot
    type: MusicAlbum
    date published: 1970-06-01

John Hartford
type: MusicAlbum
date published: 1970-01-01
track: Dusty Miller Hornpipe and Fugue In A Major for Strings, Brass and 5 String Banjo
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128360
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908472
track: I've Heard the Tearstained Monologue You Do There By the Door Before You Leave
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224000
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908470
track: The Collector
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201280
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16808270
track: A Short Sentimental Interlude
  type: MusicRecording
  duration: PT1M6S
  duration ms: 66533
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908541
track: Mr. Jackson's Got Nothing to Do
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162440
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908543
track: Open Rode Ode
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147320
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908544
track: Little Piece In D
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168746
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908473
track: The Poor Old Prurient Interest Blues
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160200
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908547
track: The Wart
  type: MusicRecording
  duration: PT0M54S
  duration ms: 54373
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908548
track: Railroad Street
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136066
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908546
track: Another Short (But Not so Sentimental) Interlude
  type: MusicRecording
  duration: PT0M42S
  duration ms: 42706
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908542
track: Orphan of World War Two
  type: MusicRecording
  duration: PT2M39S
  duration ms: 159853
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908545
track: The Little Old Lonesome Little Circle Song
  type: MusicRecording
  duration: PT1M45S
  duration ms: 105920
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRN10200687
track: I Don't Love Nobody
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228653
  explicit: false
  by artist: John Hartford
  in album: John Hartford
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC17007981

Gentle on My Mind and Other Originals By John Hartford
type: MusicAlbum
date published: 1968-10-25
track: California Earthquake
  type: MusicRecording
  duration: PT3M4S
  duration ms: 184653
  explicit: false
  by artist: John Hartford
  in album: Gentle on My Mind and Other Originals By John Hartford
    type: MusicAlbum
    date published: 1968-10-25
  isrc code: USRC11800659
track: Gentle On My Mind
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183173
  explicit: false
  by artist: John Hartford
  in album: Gentle on My Mind and Other Originals By John Hartford
    type: MusicAlbum
    date published: 1968-10-25
  isrc code: USRC11800660
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-24T10:42:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x74e27ec2b3e899ae59cb4e93f9f0b2554a4287b21f1bd504da7b99d66cb62e2c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0FiLuP08MtTBUue25vvlGW.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0FiLuP08MtTBUue25vvlGW
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x74e27ec2b3e899ae59cb4e93f9f0b2554a4287b21f1bd504da7b99d66cb62e2c","isrc":"USRC11800660","name":"Gentle On My Mind","registered_at":"2026-06-24T10:42:18Z","spotify_id":"0FiLuP08MtTBUue25vvlGW","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x74e27ec2b3e899ae59cb4e93f9f0b2554a4287b21f1bd504da7b99d66cb62e2c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0FiLuP08MtTBUue25vvlGW.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0FiLuP08MtTBUue25vvlGW.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x74e27ec2b3e899ae59cb4e93f9f0b2554a4287b21f1bd504da7b99d66cb62e2c","isrc":"USRC11800660","name":"Gentle On My Mind","registered_at":"2026-06-24T10:42:18Z","spotify_id":"0FiLuP08MtTBUue25vvlGW","type":"track"}
track: Natural to Be Gone
  type: MusicRecording
  duration: PT1M49S
  duration ms: 109666
  explicit: false
  by artist: John Hartford
  in album: Gentle on My Mind and Other Originals By John Hartford
    type: MusicAlbum
    date published: 1968-10-25
  isrc code: USRC11800661
track: The Six O'Clock Train and a Girl with Green Eyes
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160213
  explicit: false
  by artist: John Hartford
  in album: Gentle on My Mind and Other Originals By John Hartford
    type: MusicAlbum
    date published: 1968-10-25
  isrc code: USRC11800662
track: A Simple Thing As Love
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176253
  explicit: false
  by artist: John Hartford
  in album: Gentle on My Mind and Other Originals By John Hartford
    type: MusicAlbum
    date published: 1968-10-25
  isrc code: USRC11800663
track: Mouth to Mouth Resuscitation
  type: MusicRecording
  duration: PT1M53S
  duration ms: 113213
  explicit: false
  by artist: John Hartford
  in album: Gentle on My Mind and Other Originals By John Hartford
    type: MusicAlbum
    date published: 1968-10-25
  isrc code: USRC11800664
track: I Would Not Be Here
  type: MusicRecording
  duration: PT2M20S
  duration ms: 140613
  explicit: false
  by artist: John Hartford
  in album: Gentle on My Mind and Other Originals By John Hartford
    type: MusicAlbum
    date published: 1968-10-25
  isrc code: USRC11800665
track: Front Porch
  type: MusicRecording
  duration: PT1M59S
  duration ms: 119840
  explicit: false
  by artist: John Hartford
  in album: Gentle on My Mind and Other Originals By John Hartford
    type: MusicAlbum
    date published: 1968-10-25
  isrc code: USRC11800666
track: Untangle Your Mind
  type: MusicRecording
  duration: PT2M2S
  duration ms: 122373
  explicit: false
  by artist: John Hartford
  in album: Gentle on My Mind and Other Originals By John Hartford
    type: MusicAlbum
    date published: 1968-10-25
  isrc code: USRC11800667
track: Like Unto a Mockingbird
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172413
  explicit: false
  by artist: John Hartford
  in album: Gentle on My Mind and Other Originals By John Hartford
    type: MusicAlbum
    date published: 1968-10-25
  isrc code: USRC11800668
track: The Tall Tall Grass
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141973
  explicit: false
  by artist: John Hartford
  in album: Gentle on My Mind and Other Originals By John Hartford
    type: MusicAlbum
    date published: 1968-10-25
  isrc code: USRC11800669

The Love Album
type: MusicAlbum
date published: 1970-01-01
track: Why Do You Do Me Like You Do? - Remastered
  type: MusicRecording
  duration: PT2M27S
  duration ms: 147120
  explicit: false
  by artist: John Hartford
  in album: The Love Album
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRN10100479
track: The Six O'Clock Train and a Girl With Green Eyes
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158173
  explicit: false
  by artist: John Hartford
  in album: The Love Album
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707684
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:59:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2762494b2010c6f1544ef16c0859051ea318900c9e14eb40d65346561ecc5770
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7mFcylZyQQF5IMo0jgxpmv.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7mFcylZyQQF5IMo0jgxpmv
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x2762494b2010c6f1544ef16c0859051ea318900c9e14eb40d65346561ecc5770","isrc":"USRC16707684","name":"The Six O'Clock Train and a Girl With Green Eyes","registered_at":"2026-06-25T17:59:47Z","spotify_id":"7mFcylZyQQF5IMo0jgxpmv","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2762494b2010c6f1544ef16c0859051ea318900c9e14eb40d65346561ecc5770. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7mFcylZyQQF5IMo0jgxpmv.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7mFcylZyQQF5IMo0jgxpmv.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x2762494b2010c6f1544ef16c0859051ea318900c9e14eb40d65346561ecc5770","isrc":"USRC16707684","name":"The Six O'Clock Train and a Girl With Green Eyes","registered_at":"2026-06-25T17:59:47Z","spotify_id":"7mFcylZyQQF5IMo0jgxpmv","type":"track"}
track: Springtime All Over Again
  type: MusicRecording
  duration: PT2M9S
  duration ms: 129933
  explicit: false
  by artist: John Hartford
  in album: The Love Album
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRN10100441
track: Landscape Grown Cold
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138080
  explicit: false
  by artist: John Hartford
  in album: The Love Album
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRN10100442
track: This Eve of Parting
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152666
  explicit: false
  by artist: John Hartford
  in album: The Love Album
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRN10100443
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T03:27:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9bd57fb2548207c69b5df1b080578d23d22207230113bedd5ff35169b4e0a3ce
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/443sErTxKXGiISwjsEBA9u.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/443sErTxKXGiISwjsEBA9u
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x9bd57fb2548207c69b5df1b080578d23d22207230113bedd5ff35169b4e0a3ce","isrc":"USRN10100443","name":"This Eve of Parting","registered_at":"2026-06-06T03:27:27Z","spotify_id":"443sErTxKXGiISwjsEBA9u","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x9bd57fb2548207c69b5df1b080578d23d22207230113bedd5ff35169b4e0a3ce. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/443sErTxKXGiISwjsEBA9u.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/443sErTxKXGiISwjsEBA9u.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x9bd57fb2548207c69b5df1b080578d23d22207230113bedd5ff35169b4e0a3ce","isrc":"USRN10100443","name":"This Eve of Parting","registered_at":"2026-06-06T03:27:27Z","spotify_id":"443sErTxKXGiISwjsEBA9u","type":"track"}
track: I Would Not Be Here
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138186
  explicit: false
  by artist: John Hartford
  in album: The Love Album
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707681
track: Natural to Be Gone
  type: MusicRecording
  duration: PT1M46S
  duration ms: 106813
  explicit: false
  by artist: John Hartford
  in album: The Love Album
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707678
track: Empty Afternoon of Summer Longing
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138480
  explicit: false
  by artist: John Hartford
  in album: The Love Album
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRN10100444
track: A Simple Thing as Love
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173306
  explicit: false
  by artist: John Hartford
  in album: The Love Album
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908471
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-26T20:31:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfcfea2c93990a690a9cee53573cf532a719be42ae3ff05ab58c1bb5a137313b7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6lnVZRRHJooTXal0B2kf1o.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6lnVZRRHJooTXal0B2kf1o
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xfcfea2c93990a690a9cee53573cf532a719be42ae3ff05ab58c1bb5a137313b7","isrc":"USRC16908471","name":"A Simple Thing as Love","registered_at":"2026-06-26T20:31:08Z","spotify_id":"6lnVZRRHJooTXal0B2kf1o","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xfcfea2c93990a690a9cee53573cf532a719be42ae3ff05ab58c1bb5a137313b7. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6lnVZRRHJooTXal0B2kf1o.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6lnVZRRHJooTXal0B2kf1o.
    date published: 2026-07-02T03:55:08Z
    text: {"copyright_id":"0xfcfea2c93990a690a9cee53573cf532a719be42ae3ff05ab58c1bb5a137313b7","isrc":"USRC16908471","name":"A Simple Thing as Love","registered_at":"2026-06-26T20:31:08Z","spotify_id":"6lnVZRRHJooTXal0B2kf1o","type":"track"}
track: Windows
track: Prayer
track: Love Is Sweeter

Windows
type: MusicRecording
duration: PT2M28S
duration ms: 148720
explicit: false
by artist: John Hartford
in album: The Love Album
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USRC16707682

Prayer
type: MusicRecording
duration: PT1M27S
duration ms: 87440
explicit: false
by artist: John Hartford
in album: The Love Album
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USRC16707712

Love Is Sweeter
type: MusicRecording
duration: PT2M47S
duration ms: 167440
explicit: false
by artist: John Hartford
in album: The Love Album
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USRC16707708

Housing Project
type: MusicAlbum
date published: 1970-01-01
track: Housing Project
  type: MusicRecording
  duration: PT1M19S
  duration ms: 79173
  explicit: false
  by artist: John Hartford
  in album: Housing Project
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRN10100428
track: I'm Still Here
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168386
  explicit: false
  by artist: John Hartford
  in album: Housing Project
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRN10100477
track: Crystallia Daydream
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187000
  explicit: false
  by artist: John Hartford
  in album: Housing Project
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16808250
track: The Girl With the Long Brown Hair
  type: MusicRecording
  duration: PT2M29S
  duration ms: 149213
  explicit: false
  by artist: John Hartford
  in album: Housing Project
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRN10100478
track: I Didn't Know the World Would Last This Long
  type: MusicRecording
  duration: PT4M10S
  duration ms: 250453
  explicit: false
  by artist: John Hartford
  in album: Housing Project
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16808249
track: The Sailboat Song
  type: MusicRecording
  duration: PT1M37S
  duration ms: 97826
  explicit: false
  by artist: John Hartford
  in album: Housing Project
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRN10100433
track: The Category Stomp
  type: MusicRecording
  duration: PT2M13S
  duration ms: 133413
  explicit: false
  by artist: John Hartford
  in album: Housing Project
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707676
track: Go Fall Asleep Now
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183986
  explicit: false
  by artist: John Hartford
  in album: Housing Project
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707677
track: My Face
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136880
  explicit: false
  by artist: John Hartford
  in album: Housing Project
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRN10100436
track: Big Blue Balloon
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174720
  explicit: false
  by artist: John Hartford
  in album: Housing Project
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707680
track: In Like Of
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168920
  explicit: false
  by artist: John Hartford
  in album: Housing Project
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16808253
track: Shiny Rails of Steel
  type: MusicRecording
  duration: PT2M10S
  duration ms: 130253
  explicit: false
  by artist: John Hartford
  in album: Housing Project
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16808251

Looks at Life
type: MusicAlbum
date published: 1970-01-01
track: I Reckon
  type: MusicRecording
  duration: PT1M18S
  duration ms: 78560
  explicit: false
  by artist: John Hartford
  in album: Looks at Life
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607792
track: Today
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193893
  explicit: false
  by artist: John Hartford
  in album: Looks at Life
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607795
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:58:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb79b9295dad1239ca180e0ea0b05558720ff72816002a2f51da6f9b96716e047
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4CsHVn0QPztnkgLnFsEp9o.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4CsHVn0QPztnkgLnFsEp9o
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xb79b9295dad1239ca180e0ea0b05558720ff72816002a2f51da6f9b96716e047. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4CsHVn0QPztnkgLnFsEp9o.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4CsHVn0QPztnkgLnFsEp9o.
    date published: 2026-07-02T05:09:12Z
track: A Man Smoking a Cigar
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121200
  explicit: false
  by artist: John Hartford
  in album: Looks at Life
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607788
track: Untangle Your Mind
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121066
  explicit: false
  by artist: John Hartford
  in album: Looks at Life
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607760
track: Like Unto a Mockingbird
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170773
  explicit: false
  by artist: John Hartford
  in album: Looks at Life
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908477
track: I Shoulda Wore My Birthday Suit
  type: MusicRecording
  duration: PT1M48S
  duration ms: 108373
  explicit: false
  by artist: John Hartford
  in album: Looks at Life
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607793
track: The Tall Tall Grass
  type: MusicRecording
  duration: PT2M23S
  duration ms: 143373
  explicit: false
  by artist: John Hartford
  in album: Looks at Life
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607763
track: Front Porch
  type: MusicRecording
  duration: PT1M57S
  duration ms: 117666
  explicit: false
  by artist: John Hartford
  in album: Looks at Life
    type: MusicAlbum
    date published: 1970-01-01
track: Eve of My Multification
  type: MusicRecording
  duration: PT1M46S
  duration ms: 106906
  explicit: false
  by artist: John Hartford
  in album: Looks at Life
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607789
track: When the Sky Began to Fall
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228600
  explicit: false
  by artist: John Hartford
  in album: Looks at Life
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607797
track: Corn Cob Blues
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153933
  explicit: false
  by artist: John Hartford
  in album: Looks at Life
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607762
track: Minus the Woman
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174506
  explicit: false
  by artist: John Hartford
  in album: Looks at Life
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607761
track: Jack's In the Sack
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126200
  explicit: false
  by artist: John Hartford
  in album: Looks at Life
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607794

Earthwords & Music
type: MusicAlbum
date published: 1970-01-01
track: (Good Old Electric) Washing Machine (Circa 1943)
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126000
  explicit: false
  by artist: John Hartford
  in album: Earthwords & Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707703
track: Love Song In 2/4 Time
  type: MusicRecording
  duration: PT1M35S
  duration ms: 95400
  explicit: false
  by artist: John Hartford
  in album: Earthwords & Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707709
track: Daytime of Life
  type: MusicRecording
  duration: PT5M19S
  duration ms: 319306
  explicit: false
  by artist: John Hartford
  in album: Earthwords & Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707705
track: Whose That
  type: MusicRecording
  duration: PT1M50S
  duration ms: 110106
  explicit: false
  by artist: John Hartford
  in album: Earthwords & Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607796
track: There Are No Fools In Heaven (Anyman's Lament)
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267800
  explicit: false
  by artist: John Hartford
  in album: Earthwords & Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707679
track: Earthword's
  type: MusicRecording
  duration: PT1M41S
  duration ms: 101133
  explicit: false
  by artist: John Hartford
  in album: Earthwords & Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707706
track: Gentle On My Mind
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182840
  explicit: false
  by artist: John Hartford
  in album: Earthwords & Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707675
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T23:21:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x02b4f6ce34238a8be82e6e6270b06521d95789bda25f97ee48d2394a2ee8b5f7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6ppsYmPvK5Wp1QBdJyTc7s.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ppsYmPvK5Wp1QBdJyTc7s
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x02b4f6ce34238a8be82e6e6270b06521d95789bda25f97ee48d2394a2ee8b5f7","isrc":"USRC16707675","name":"Gentle On My Mind","registered_at":"2026-06-06T23:21:28Z","spotify_id":"6ppsYmPvK5Wp1QBdJyTc7s","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x02b4f6ce34238a8be82e6e6270b06521d95789bda25f97ee48d2394a2ee8b5f7. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ppsYmPvK5Wp1QBdJyTc7s.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ppsYmPvK5Wp1QBdJyTc7s.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0x02b4f6ce34238a8be82e6e6270b06521d95789bda25f97ee48d2394a2ee8b5f7","isrc":"USRC16707675","name":"Gentle On My Mind","registered_at":"2026-06-06T23:21:28Z","spotify_id":"6ppsYmPvK5Wp1QBdJyTc7s","type":"track"}
track: Naked In Spite of Myself
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186466
  explicit: false
  by artist: John Hartford
  in album: Earthwords & Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707710
track: How Come You're Being So Good to Me
  type: MusicRecording
  duration: PT2M2S
  duration ms: 122493
  explicit: false
  by artist: John Hartford
  in album: Earthwords & Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607791
track: No End of Love
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198866
  explicit: false
  by artist: John Hartford
  in album: Earthwords & Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707711
track: Left Handed Woman
  type: MusicRecording
  duration: PT1M36S
  duration ms: 96466
  explicit: false
  by artist: John Hartford
  in album: Earthwords & Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707707
track: Baking Soda
  type: MusicRecording
  duration: PT1M28S
  duration ms: 88160
  explicit: false
  by artist: John Hartford
  in album: Earthwords & Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707704

Looks At Life/Earthwords And Music
type: MusicAlbum
date published: 1970-01-01
track: I Reckon
  type: MusicRecording
  duration: PT1M18S
  duration ms: 78560
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607792
track: Today
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193893
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607795
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-25T17:58:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb79b9295dad1239ca180e0ea0b05558720ff72816002a2f51da6f9b96716e047
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5uZ4jrwnYugoShOi4n2cuw.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5uZ4jrwnYugoShOi4n2cuw
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xb79b9295dad1239ca180e0ea0b05558720ff72816002a2f51da6f9b96716e047. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5uZ4jrwnYugoShOi4n2cuw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5uZ4jrwnYugoShOi4n2cuw.
    date published: 2026-07-08T03:53:27Z
track: A Man Smoking a Cigar
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121200
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607788
track: Untangle Your Mind
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121066
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607760
track: Like Unto a Mockingbird
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170773
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16908477
track: I Shoulda Wore My Birthday Suit
  type: MusicRecording
  duration: PT1M48S
  duration ms: 108373
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
track: The Tall Tall Grass
  type: MusicRecording
  duration: PT2M23S
  duration ms: 143373
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607763
track: Front Porch
  type: MusicRecording
  duration: PT1M57S
  duration ms: 117666
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
track: Eve of My Multification
  type: MusicRecording
  duration: PT1M46S
  duration ms: 106906
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
track: When the Sky Began to Fall
  type: MusicRecording
  duration: PT3M48S
  duration ms: 228600
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
track: Corn Cob Blues
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153933
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16607762
track: Minus the Woman
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174506
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
track: Jack's In the Sack
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126200
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
track: (Good Old Electric) Washing Machine (Circa 1943)
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126000
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
  isrc code: USRC16707703
track: Love Song In 2/4 Time
  type: MusicRecording
  duration: PT1M35S
  duration ms: 95400
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
track: Daytime of Life
  type: MusicRecording
  duration: PT5M19S
  duration ms: 319306
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
track: Whose That
  type: MusicRecording
  duration: PT1M50S
  duration ms: 110106
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
    type: MusicAlbum
    date published: 1970-01-01
track: There Are No Fools In Heaven (Anyman's Lament)
  type: MusicRecording
  duration: PT4M27S
  duration ms: 267800
  explicit: false
  by artist: John Hartford
  in album: Looks At Life/Earthwords And Music
track: Earthword's
track: Gentle On My Mind
track: Naked In Spite of Myself
track: How Come You're Being So Good to Me
track: No End of Love
track: Left Handed Woman
track: Baking Soda

John Hartford
type: MusicGroup

Looks At Life/Earthwords And Music
type: MusicAlbum
date published: 1970-01-01

Earthword's
type: MusicRecording
duration: PT1M41S
duration ms: 101133
explicit: false
by artist: John Hartford
in album: Looks At Life/Earthwords And Music
  type: MusicAlbum
  date published: 1970-01-01

Gentle On My Mind
type: MusicRecording
duration: PT3M2S
duration ms: 182840
explicit: false
by artist: John Hartford
in album: Looks At Life/Earthwords And Music
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USRC16707675
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T23:21:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x02b4f6ce34238a8be82e6e6270b06521d95789bda25f97ee48d2394a2ee8b5f7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2MOjAgUU7et92k7AQSoMKb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2MOjAgUU7et92k7AQSoMKb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x02b4f6ce34238a8be82e6e6270b06521d95789bda25f97ee48d2394a2ee8b5f7","isrc":"USRC16707675","name":"Gentle On My Mind","registered_at":"2026-06-06T23:21:28Z","spotify_id":"2MOjAgUU7et92k7AQSoMKb","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x02b4f6ce34238a8be82e6e6270b06521d95789bda25f97ee48d2394a2ee8b5f7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2MOjAgUU7et92k7AQSoMKb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2MOjAgUU7et92k7AQSoMKb.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x02b4f6ce34238a8be82e6e6270b06521d95789bda25f97ee48d2394a2ee8b5f7","isrc":"USRC16707675","name":"Gentle On My Mind","registered_at":"2026-06-06T23:21:28Z","spotify_id":"2MOjAgUU7et92k7AQSoMKb","type":"track"}

Naked In Spite of Myself
type: MusicRecording
duration: PT3M6S
duration ms: 186466
explicit: false
by artist: John Hartford
in album: Looks At Life/Earthwords And Music
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USRC16707710

How Come You're Being So Good to Me
type: MusicRecording
duration: PT2M2S
duration ms: 122493
explicit: false
by artist: John Hartford
in album: Looks At Life/Earthwords And Music
  type: MusicAlbum
  date published: 1970-01-01

No End of Love
type: MusicRecording
duration: PT3M18S
duration ms: 198866
explicit: false
by artist: John Hartford
in album: Looks At Life/Earthwords And Music
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USRC16707711

Left Handed Woman
type: MusicRecording
duration: PT1M36S
duration ms: 96466
explicit: false
by artist: John Hartford
in album: Looks At Life/Earthwords And Music
  type: MusicAlbum
  date published: 1970-01-01

Baking Soda
type: MusicRecording
duration: PT1M28S
duration ms: 88160
explicit: false
by artist: John Hartford
in album: Looks At Life/Earthwords And Music
  type: MusicAlbum
  date published: 1970-01-01

Joseph's Dream
type: MusicAlbum
date published: 1976-01-01
track: Joseph's Dream
  type: MusicRecording
  duration: PT4M8S
  duration ms: 248537
  explicit: false
  by artist: John Hartford
  in album: Joseph's Dream
    type: MusicAlbum
    date published: 1976-01-01
  isrc code: USHM81363446

All Fall Down
type: MusicRecording
duration: PT3M15S
duration ms: 195426
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102422
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T19:31:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x00f15b9e74bf7bf949653e03946c4b25682c7e9cc3b5c2d6910ede447e5c1ad8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5QAt9bHGHipTaZ74vRFeXx.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5QAt9bHGHipTaZ74vRFeXx
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x00f15b9e74bf7bf949653e03946c4b25682c7e9cc3b5c2d6910ede447e5c1ad8","isrc":"USWB11102422","name":"All Fall Down","registered_at":"2026-06-08T19:31:38Z","spotify_id":"5QAt9bHGHipTaZ74vRFeXx","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x00f15b9e74bf7bf949653e03946c4b25682c7e9cc3b5c2d6910ede447e5c1ad8. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5QAt9bHGHipTaZ74vRFeXx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5QAt9bHGHipTaZ74vRFeXx.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0x00f15b9e74bf7bf949653e03946c4b25682c7e9cc3b5c2d6910ede447e5c1ad8","isrc":"USWB11102422","name":"All Fall Down","registered_at":"2026-06-08T19:31:38Z","spotify_id":"5QAt9bHGHipTaZ74vRFeXx","type":"track"}

Morning Bugle
type: MusicRecording
duration: PT2M24S
duration ms: 144693
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102424
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T02:00:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd6ff48c8980c358eed4faa888c1fc0a78b67e97a9d2f9b858d961f8c28e69b9f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0Av9fZuWfzlJHR2SYA1j7c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Av9fZuWfzlJHR2SYA1j7c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd6ff48c8980c358eed4faa888c1fc0a78b67e97a9d2f9b858d961f8c28e69b9f","isrc":"USWB11102424","name":"Morning Bugle","registered_at":"2026-06-23T02:00:20Z","spotify_id":"0Av9fZuWfzlJHR2SYA1j7c","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd6ff48c8980c358eed4faa888c1fc0a78b67e97a9d2f9b858d961f8c28e69b9f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Av9fZuWfzlJHR2SYA1j7c.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Av9fZuWfzlJHR2SYA1j7c.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xd6ff48c8980c358eed4faa888c1fc0a78b67e97a9d2f9b858d961f8c28e69b9f","isrc":"USWB11102424","name":"Morning Bugle","registered_at":"2026-06-23T02:00:20Z","spotify_id":"0Av9fZuWfzlJHR2SYA1j7c","type":"track"}

Howard Hughes' Blues
type: MusicRecording
duration: PT2M51S
duration ms: 171173
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102421
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T01:53:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4966bc5a39332bed28db24d03a3033f60c3e401a78c4e503889b92a206f68914
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1YQ9d3si2Wo40tZF4YKT1Z.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1YQ9d3si2Wo40tZF4YKT1Z
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4966bc5a39332bed28db24d03a3033f60c3e401a78c4e503889b92a206f68914","isrc":"USWB11102421","name":"Howard Hughes' Blues","registered_at":"2026-06-23T01:53:05Z","spotify_id":"1YQ9d3si2Wo40tZF4YKT1Z","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x4966bc5a39332bed28db24d03a3033f60c3e401a78c4e503889b92a206f68914. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1YQ9d3si2Wo40tZF4YKT1Z.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1YQ9d3si2Wo40tZF4YKT1Z.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x4966bc5a39332bed28db24d03a3033f60c3e401a78c4e503889b92a206f68914","isrc":"USWB11102421","name":"Howard Hughes' Blues","registered_at":"2026-06-23T01:53:05Z","spotify_id":"1YQ9d3si2Wo40tZF4YKT1Z","type":"track"}

Streetcar
type: MusicRecording
duration: PT3M56S
duration ms: 236453
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102419
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:44:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa9e52812e4e2351ff6f566ad5b2cad59b2770e983ed5bca4994c24f4f7a826d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2wlH9Vx8SofztPTsNKJAUo.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wlH9Vx8SofztPTsNKJAUo
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa9e52812e4e2351ff6f566ad5b2cad59b2770e983ed5bca4994c24f4f7a826d9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2wlH9Vx8SofztPTsNKJAUo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2wlH9Vx8SofztPTsNKJAUo.
  date published: 2026-07-02T05:09:12Z

On the Road
type: MusicRecording
duration: PT3M47S
duration ms: 227053
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102423
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T12:52:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc471385567743b66f3f6d223a74d5aab9bc500e2cc3a4198c6adc59edbed7999
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1ihlhCsLWnJiuFAZBEPwm5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ihlhCsLWnJiuFAZBEPwm5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc471385567743b66f3f6d223a74d5aab9bc500e2cc3a4198c6adc59edbed7999","isrc":"USWB11102423","name":"On the Road","registered_at":"2026-06-24T12:52:10Z","spotify_id":"1ihlhCsLWnJiuFAZBEPwm5","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc471385567743b66f3f6d223a74d5aab9bc500e2cc3a4198c6adc59edbed7999. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ihlhCsLWnJiuFAZBEPwm5.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ihlhCsLWnJiuFAZBEPwm5.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xc471385567743b66f3f6d223a74d5aab9bc500e2cc3a4198c6adc59edbed7999","isrc":"USWB11102423","name":"On the Road","registered_at":"2026-06-24T12:52:10Z","spotify_id":"1ihlhCsLWnJiuFAZBEPwm5","type":"track"}

Midnight On the Water
type: MusicRecording
duration: PT3M16S
duration ms: 196840
explicit: false
by artist: John Hartford
in album: Old Sport: Texas Shorty and John Hartford
  type: MusicAlbum
  date published: 1994-01-01
isrc code: USHM80960584
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T02:01:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa36fe14eddd561ef9e3fcf166167403b75d02883c0d6cc44c48f3c28a967b059
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3jEfmpZfwNHB0DIXYI3LIJ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3jEfmpZfwNHB0DIXYI3LIJ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa36fe14eddd561ef9e3fcf166167403b75d02883c0d6cc44c48f3c28a967b059","isrc":"USHM80960584","name":"Midnight On the Water","registered_at":"2026-06-23T02:01:39Z","spotify_id":"3jEfmpZfwNHB0DIXYI3LIJ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xa36fe14eddd561ef9e3fcf166167403b75d02883c0d6cc44c48f3c28a967b059. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3jEfmpZfwNHB0DIXYI3LIJ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3jEfmpZfwNHB0DIXYI3LIJ.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xa36fe14eddd561ef9e3fcf166167403b75d02883c0d6cc44c48f3c28a967b059","isrc":"USHM80960584","name":"Midnight On the Water","registered_at":"2026-06-23T02:01:39Z","spotify_id":"3jEfmpZfwNHB0DIXYI3LIJ","type":"track"}

My Rag
type: MusicRecording
duration: PT3M41S
duration ms: 221026
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102426
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:42:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x61b8b4b169d50ec1d5de7cb5b6da6423c3040ec9fde4abfefd9bab39be5ea1c7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5PAzbQmK5sBohqzvRwsykY.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5PAzbQmK5sBohqzvRwsykY
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x61b8b4b169d50ec1d5de7cb5b6da6423c3040ec9fde4abfefd9bab39be5ea1c7","isrc":"USWB11102426","name":"My Rag","registered_at":"2026-06-24T10:42:16Z","spotify_id":"5PAzbQmK5sBohqzvRwsykY","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x61b8b4b169d50ec1d5de7cb5b6da6423c3040ec9fde4abfefd9bab39be5ea1c7. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5PAzbQmK5sBohqzvRwsykY.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5PAzbQmK5sBohqzvRwsykY.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x61b8b4b169d50ec1d5de7cb5b6da6423c3040ec9fde4abfefd9bab39be5ea1c7","isrc":"USWB11102426","name":"My Rag","registered_at":"2026-06-24T10:42:16Z","spotify_id":"5PAzbQmK5sBohqzvRwsykY","type":"track"}

Old Joe Clark
type: MusicRecording
duration: PT5M53S
duration ms: 353160
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102425
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T17:58:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x702046bf346d9b8b034c521e9dd0105837bfbcf5b86eb9edad97e134734112b8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2sDVI0ndTvx4pR9vFUovGF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2sDVI0ndTvx4pR9vFUovGF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x702046bf346d9b8b034c521e9dd0105837bfbcf5b86eb9edad97e134734112b8","isrc":"USWB11102425","name":"Old Joe Clark","registered_at":"2026-06-25T17:58:06Z","spotify_id":"2sDVI0ndTvx4pR9vFUovGF","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x702046bf346d9b8b034c521e9dd0105837bfbcf5b86eb9edad97e134734112b8. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2sDVI0ndTvx4pR9vFUovGF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2sDVI0ndTvx4pR9vFUovGF.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x702046bf346d9b8b034c521e9dd0105837bfbcf5b86eb9edad97e134734112b8","isrc":"USWB11102425","name":"Old Joe Clark","registered_at":"2026-06-25T17:58:06Z","spotify_id":"2sDVI0ndTvx4pR9vFUovGF","type":"track"}

Nickajacks Lament
type: MusicRecording
duration: PT2M35S
duration ms: 155200
explicit: false
by artist: John Hartford
in album: Cadillac Rag
  type: MusicAlbum
  date published: 1992-01-01
isrc code: USHM20997447

Nobody Eats at Linebaugh's Anymore
type: MusicRecording
duration: PT4M52S
duration ms: 292986
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102420

Arthur Smith's Twinkle Little Star
type: MusicRecording
duration: PT1M54S
duration ms: 114413
explicit: false
by artist: Howard Forrester
by artist: John Hartford
in album: Home Made Sugar and a Puncheon Floor
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USCGH1604802

Late Last Night My Willie Came Home
type: MusicRecording
duration: PT3M17S
duration ms: 197133
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB10200392

Got No Place to Go
type: MusicRecording
duration: PT4M20S
duration ms: 260666
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB11102427

Bye Bye
type: MusicRecording
duration: PT3M20S
duration ms: 200640
explicit: false
by artist: John Hartford
in album: Morning Bugle
  type: MusicAlbum
  date published: 1970-01-01
isrc code: USWB10001483

Run Little Rabbit
type: MusicRecording
duration: PT1M32S
duration ms: 92906
explicit: false
by artist: John Hartford
by artist: Jamie Hartford
in album: Hartford & Hartford
  type: MusicAlbum
  date published: 1991-07-15
isrc code: USFF29156602

Miller Reel
type: MusicRecording
duration: PT4M29S
duration ms: 269706
explicit: false
by artist: John Hartford
in album: Old Sport: Texas Shorty and John Hartford
  type: MusicAlbum
  date published: 1994-01-01
isrc code: USHM80960580

Salt River
type: MusicRecording
duration: PT3M59S
duration ms: 239893
explicit: false
by artist: John Hartford
in album: Old Sport: Texas Shorty and John Hartford
  type: MusicAlbum
  date published: 1994-01-01

Laughing Boy
type: MusicRecording
duration: PT3M23S
duration ms: 203533
explicit: false
by artist: John Hartford
in album: Old Sport: Texas Shorty and John Hartford
  type: MusicAlbum
  date published: 1994-01-01

All American Rodeo Reel
type: MusicRecording
duration: PT2M20S
duration ms: 140226
explicit: false
by artist: John Hartford
in album: Cadillac Rag
  type: MusicAlbum
  date published: 1992-01-01

Cadillac Rag
type: MusicRecording
duration: PT2M44S
duration ms: 164266
explicit: false
by artist: John Hartford
in album: Cadillac Rag
  type: MusicAlbum
  date published: 1992-01-01
isrc code: USHM20997442