The Postmen
type: MusicGroup
genre: k-ballad
popularity: 23
followers: 4493
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x7ed1fa136ad24d13df7fe936493cb1fae5696440ba92ed969558afbdd248cbf7
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/6ac25670-df63-4f3f-9343-e84221788348.ots
additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/6ac25670-df63-4f3f-9343-e84221788348
additional property: OTSTimestamp
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  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7ed1fa136ad24d13df7fe936493cb1fae5696440ba92ed969558afbdd248cbf7","name":"The Postmen","registered_at":"2026-06-11T23:39:55Z","symbol":"NIM0139139","token_address":"0xdbecf04ffc2a7533837659884dc0c1bdc67c71af","type":"artist","uuid":"6ac25670-df63-4f3f-9343-e84221788348"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ed1fa136ad24d13df7fe936493cb1fae5696440ba92ed969558afbdd248cbf7. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/6ac25670-df63-4f3f-9343-e84221788348.json and https://artists.proofprofile.net/proofs/artist/6ac25670-df63-4f3f-9343-e84221788348.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x7ed1fa136ad24d13df7fe936493cb1fae5696440ba92ed969558afbdd248cbf7","name":"The Postmen","registered_at":"2026-06-11T23:39:55Z","symbol":"NIM0139139","token_address":"0xdbecf04ffc2a7533837659884dc0c1bdc67c71af","type":"artist","uuid":"6ac25670-df63-4f3f-9343-e84221788348"}
album: Can you hear my heart OST Part.4
  type: MusicAlbum
  date published: 2011-06-17
album: Desert of Joy
  type: MusicAlbum
  date published: 2012-04-06
album: I can't go to Shinchon
  type: MusicAlbum
  date published: 2013-01-21
album: at the crossing
  type: MusicAlbum
  date published: 2013-09-06
album: Sense of Betrayal
  type: MusicAlbum
  date published: 2013-12-30
album: Drink Is Better Than You
  type: MusicAlbum
  date published: 2014-10-27
  track: Drink Is Better Than You
    type: MusicRecording
    duration: PT3M45S
    duration ms: 225845
    explicit: false
    by artist: The Postmen
    in album: Drink Is Better Than You
      type: MusicAlbum
      date published: 2014-10-27
    genre: k-ballad
    isrc code: KRA381209097
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
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      type: PropertyValue
      value: 2026-07-15T21:17:49+00:00
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      type: PropertyValue
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      value: 958203
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      type: PropertyValue
      value: https://blockstream.info/api/block-height/958203
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381209097
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T00:24:07Z
    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 0x9990f8671d9a5a17132ef47ae8078b69547476201d907f92f90b859ee0ec727b. Chain 2 (Bitcoin): anchored in block 958203 (2026-07-16T00:24:07Z), 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/KRA381209097.
      date published: 2026-07-16T00:24:07Z
    audio: Drink Is Better Than You
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 132.743
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.385
      additional property: Energy
        type: PropertyValue
        value: 0.496
      additional property: Speechiness
        type: PropertyValue
        value: 0.039
      additional property: Acousticness
        type: PropertyValue
        value: 0.809
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.125
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.197
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.675
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: SHINE OR GO CRAZY OST Part.3
  type: MusicAlbum
  date published: 2015-02-03
album: The Royal Gambler OST Part.3
  type: MusicAlbum
  date published: 2016-04-26
album: FantastiC OST Part.4
  type: MusicAlbum
  date published: 2016-10-01
album: My first love OST Part.5
  type: MusicAlbum
  date published: 2018-02-04
album: 애간장 OST Part.5
  type: MusicAlbum
  date published: 2018-02-04
  track: 처음 너를 만난 그 자리
    type: MusicRecording
    duration: PT3M54S
    duration ms: 234460
    explicit: false
    by artist: The Postmen
    in album: 애간장 OST Part.5
      type: MusicAlbum
      date published: 2018-02-04
    genre: k-ballad
    isrc code: KRA381703320
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA381703320
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T15:32:55Z
    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 0x561fbb5f95e7ed6552b2f083895eb66551367c792865aeba1ec637b31f4908ff. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:32:55Z), 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/KRA381703320.
      date published: 2026-07-15T15:32:55Z
    audio: 처음 너를 만난 그 자리
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 135.575
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: 애간장 (Original Soundtrack), Pt.5

Musical Key
type: PropertyValue
value: 3

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.335

Energy
type: PropertyValue
value: 0.608

Speechiness
type: PropertyValue
value: 0.039

Acousticness
type: PropertyValue
value: 0.552

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.116

Valence (Positivity)
type: PropertyValue
value: 0.315

Loudness (dB)
type: PropertyValue
value: -4.555

Key Name
type: PropertyValue
value: Eb

Mode Name
type: PropertyValue
value: Major

애간장 (Original Soundtrack), Pt.5
type: MusicAlbum
date published: 2018-02-04