Eunbi Kim
type: MusicGroup
popularity: 2
followers: 220
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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: 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 0xf6a3785c744e0f27a559d455970148cd9e98680b4d4e9fca2d6c2f886a900378. Chain 2 (Bitcoin): anchored in block 954717 (2026-06-21T15:47:51Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f6d5c7f6-3a8a-4569-b7d8-4291f2ad349c.json and https://artists.proofprofile.net/proofs/artist/f6d5c7f6-3a8a-4569-b7d8-4291f2ad349c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T15:47:51Z
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album: A House Of Many Rooms: New Concert Music by Fred Hersch
  type: MusicAlbum
  date published: 2017-10-01
  track: Valentine
album: It Feels Like
  type: MusicAlbum
  date published: 2022-08-12
album: Saturn Years
  type: MusicAlbum
  date published: 2022-07-22
album: songs for the alone: I. UnJoy
  type: MusicAlbum
  date published: 2022-07-01

Valentine
type: MusicRecording
duration: PT3M31S
duration ms: 211786
explicit: false
by artist: Fred Hersch
by artist: Eunbi Kim
in album: A House Of Many Rooms: New Concert Music by Fred Hersch
  type: MusicAlbum
  date published: 2017-10-01
genre: jazz-piano
genre: modern-jazz-piano
isrc code: USAB11768707
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x046d4cd3de6f8457689c995f9d3a479bc7a07a1c748151bb66d7ab25108e97c2. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), 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/USAB11768707.
  date published: 2026-07-07T18:39:05Z
audio: Valentine
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.284
  additional property: Musical Key
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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
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.448
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
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