Barbra Lica
type: MusicGroup
genre: vocal jazz
description: Barbra Lica is a Canadian jazz singer and songwriter based in Toronto. She was named one of Canada's top upcoming female jazz artists and was the first runner-up in the 2013 Sarah Vaughan Internationa
popularity: 29
followers: 6474
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6308ae411b7df93e34f176abcbc34b0bfcb63eaac99382a63b9c4a5be8e9c41c. 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/1e264753-4fb8-4aa6-b9fc-d8afef972346.json and https://artists.proofprofile.net/proofs/artist/1e264753-4fb8-4aa6-b9fc-d8afef972346.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: That's What I Do
  type: MusicAlbum
  date published: 2012-05-30
  track: Because I Say So
    type: MusicRecording
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    by artist: Barbra Lica
    in album: That's What I Do
      type: MusicAlbum
      date published: 2012-05-30
    genre: vocal jazz
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9c2c301dc9ad199b94b60cf982921eb0ebce1a3459eb38d67d35b8579e89c07. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CASZ91200138.
      date published: 2026-07-17T19:49:21Z
    audio: Because I Say So
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      additional property: Speechiness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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  track: Vienna
    type: MusicRecording
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    by artist: Barbra Lica
    in album: That's What I Do
      type: MusicAlbum
      date published: 2012-05-30
    genre: vocal jazz
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    additional property: CopyrightStatus
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      date published: 2026-07-19T08:09:50Z
    audio: Vienna
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      additional property: Danceability
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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album: Kissing You
album: Star Up
album: So in Love
album: Christmas Present
album: I'm Still Learning
album: The Birds and the Bees
album: You're Fine
album: Before I Do (Acoustic)
album: Santa Claws
album: Hello from My Basement
album: The Greatest Gift
album: You Should Write The Book (Live)
album: YOU'RE FINE
album: Girls Like Me
album: In 40 Years
album: Blue Monday
album: The Ghost of Me
album: Imposter Syndrome
album: The Ghost of Me (Live)
album: On Christmas Eve
album: The Things We Don't Say

Valence (Positivity)
type: PropertyValue
value: 0.559

Loudness (dB)
type: PropertyValue
value: -7.705

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Minor

Kissing You
type: MusicAlbum
date published: 2014-12-05
track: The Food Song
  type: MusicRecording
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  by artist: Barbra Lica
  in album: Kissing You
    type: MusicAlbum
    date published: 2014-12-05
  genre: vocal jazz
  isrc code: CAI370571727
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T02:09:54Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d218712e5d02f900218d3f1b410f4f0fb75dfad934d32d44a45d6043f227f63. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-17T02:09:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAI370571727.
    date published: 2026-07-17T02:09:54Z
  audio: The Food Song
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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track: Canoe
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229640
  explicit: false
  by artist: Barbra Lica
  in album: Kissing You
    type: MusicAlbum
    date published: 2014-12-05
  genre: vocal jazz
  isrc code: CAI370571728
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf032f7d2dac5a04a9d287a01f530e43e638cbfd5c9a022d84b373accc6aa82ec. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAI370571728.
    date published: 2026-07-04T10:04:33Z
  audio: Canoe
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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    additional property: Key Name
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track: I Get a Kick out of You
  type: MusicRecording
  duration: PT3M39S
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  explicit: false
  by artist: Barbra Lica
  in album: Kissing You
    type: MusicAlbum
    date published: 2014-12-05
  genre: vocal jazz
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: I Get a Kick out of You
track: Fishies
track: Waking Up

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAI370571729

OTSTimestamp
type: PropertyValue
value: 2026-07-17T23:17:53Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12bac0f794e99bd24e16993081f1e2ae1eb7c53d28052e841cd271f2fc90deb7. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAI370571729.
date published: 2026-07-17T23:17:53Z

I Get a Kick out of You
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 119.967
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
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additional property: Energy
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  value: 0.453
additional property: Speechiness
  type: PropertyValue
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additional property: Acousticness
  type: PropertyValue
  value: 0.856
additional property: Instrumentalness
  type: PropertyValue
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additional property: Liveness
  type: PropertyValue
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additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.306
additional property: Loudness (dB)
  type: PropertyValue
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additional property: Key Name
  type: PropertyValue
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additional property: Mode Name
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Fishies
type: MusicRecording
duration: PT2M47S
duration ms: 167560
explicit: false
by artist: Barbra Lica
in album: Kissing You
  type: MusicAlbum
  date published: 2014-12-05
genre: vocal jazz
isrc code: CAI370571731
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956551
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAI370571731
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58c3e41a7e7aaef221e314c92adb3e340ed764b9f843be7b90bbb6977874be7d. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAI370571731.
  date published: 2026-07-03T21:18:05Z
audio: Fishies
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Waking Up
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by artist: Barbra Lica
in album: Kissing You
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genre: vocal jazz
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T01:12:41Z
audio: Waking Up
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Star Up
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date published: 2015-01-21

So in Love
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Christmas Present
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I'm Still Learning
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I'm Still Learning
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date published: 2016-09-30

I'm Still Learning
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date published: 2016-09-30
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-17T19:49:21Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-16T02:28:43Z
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  subject of: OpenTimestamps Proof of Existence
  audio: So In Love

OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e21492dba6e1ed4e626f90e80b1ee7eccc4ef07764713fe30aa0d9c9078600b. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-20T12:01:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAJ221600148.
date published: 2026-07-20T12:01:30Z

So In Love
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additional property: Mode (Major/Minor)
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additional property: Danceability
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I'm Still Learning
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date published: 2016-10-07

The Birds and the Bees
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The Birds and the Bees
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date published: 2018-10-26

The Birds and the Bees
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date published: 2018-10-26

You're Fine
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date published: 2018-11-09

You're Fine
type: MusicAlbum
date published: 2018-11-09

You're Fine
type: MusicAlbum
date published: 2018-11-09

Before I Do (Acoustic)
type: MusicAlbum
date published: 2019-05-17

Before I Do (Acoustic)
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date published: 2019-05-17

Santa Claws
type: MusicAlbum
date published: 2019-10-18

Santa Claws
type: MusicAlbum
date published: 2019-10-18

Hello from My Basement
type: MusicAlbum
date published: 2020-09-25

The Greatest Gift
type: MusicAlbum
date published: 2020-11-13

You Should Write The Book (Live)
type: MusicAlbum
date published: 2022-02-09

YOU'RE FINE
type: MusicAlbum
date published: 2022-03-09

Girls Like Me
type: MusicAlbum
date published: 2022-05-27

Girls Like Me
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date published: 2022-05-27

In 40 Years
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date published: 2022-06-24

In 40 Years
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Blue Monday
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Blue Monday
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date published: 2022-08-01

The Ghost of Me
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The Ghost of Me
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date published: 2022-08-26

Imposter Syndrome
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date published: 2022-10-07

Imposter Syndrome
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date published: 2022-10-07
track: Blue Monday
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T01:12:41Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T07:16:32Z
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The Ghost of Me (Live)
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On Christmas Eve
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On Christmas Eve
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The Things We Don't Say
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62e69ab671f44a2464eff1b7e72166effd1fe61319b9c94267aa71196062206d. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAI372500638.
    date published: 2026-07-17T19:12:23Z
  audio: The Things We Don't Say
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