An Tran
type: MusicGroup
description: An Tran (born July 29, 1952) is a Vietnamese-American professional poker player, now living in Las Vegas, Nevada. Poker career Tran began playing poker in the mid-1970s and first finished in the mone
popularity: 2
followers: 424
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x291114961657802df7f61948807f84140a0db188861bbb23ea71e7d4e267bf3d
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x291114961657802df7f61948807f84140a0db188861bbb23ea71e7d4e267bf3d. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/698773eb-5f12-4080-b00f-9b9d47dc5ab2.json and https://artists.proofprofile.net/proofs/artist/698773eb-5f12-4080-b00f-9b9d47dc5ab2.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x291114961657802df7f61948807f84140a0db188861bbb23ea71e7d4e267bf3d","name":"An Tran","registered_at":"2026-06-17T02:26:46Z","symbol":"NIM1252074","token_address":"0x1b5b4fb381d5a3b58db70018777ad84d0f9b5c9a","type":"artist","uuid":"698773eb-5f12-4080-b00f-9b9d47dc5ab2"}
album: Stay, My Beloved
  type: MusicAlbum
  date published: 2020-04-18
album: Stay, My Beloved
  type: MusicAlbum
  date published: 2020-04-18
track: Fantaisie symphonique, Op. 28b, Pt. 1: I. Allegro - Andantino grazioso
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264786
  explicit: false
  by artist: Napoléon Coste
  by artist: An Tran
  in album: Coste: Guitar Works, Vol. 6
    type: MusicAlbum
    date published: 2023-06-23
  genre: late-romantic-era
  genre: french-romanticism
  genre: classical-guitar
  isrc code: HKI192238101
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192238101
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadac8986b6dd8264386c2d34fdcea464d4845973cba8c5ba674ae47161595a28. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192238101 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Fantaisie symphonique, Op. 28b, Pt. 1: I. Allegro - Andantino grazioso
    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
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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)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.121
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Le départ, Op. 31: I. Introduction. Andante largo
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215453
  explicit: false
  by artist: Napoléon Coste
  by artist: An Tran
  in album: Coste: Guitar Works, Vol. 6
    type: MusicAlbum
    date published: 2023-06-23
  genre: late-romantic-era
  genre: french-romanticism
  genre: classical-guitar
  isrc code: HKI192238108
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192238108
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T22:27:44Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70dd7c642585b41b4cd730ce204ed41421dafab99c39ac3ee9c86fd0c818d46b. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI192238108 — a six-check JSON result.
    date published: 2026-07-31T22:27:44Z
  audio: Le départ, Op. 31: I. Introduction. Andante largo
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 91.672
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.324
    additional property: Energy
      type: PropertyValue
      value: 0.074
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name

Acousticness
type: PropertyValue
value: 0.991

Instrumentalness
type: PropertyValue
value: 0.916

Liveness
type: PropertyValue
value: 0.118

Valence (Positivity)
type: PropertyValue
value: 0.114

Loudness (dB)
type: PropertyValue
value: -28.098

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major