Song Pu Reum
type: MusicGroup
genre: k-ballad
popularity: 7
followers: 541
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc8a8adf66984a8140b129ad89620a8c590677767f05dabc4b4efe113f377ebf7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954631
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954631
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d07f19ac-2eee-47b9-aa5f-9816eb1f81fd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d07f19ac-2eee-47b9-aa5f-9816eb1f81fd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d07f19ac-2eee-47b9-aa5f-9816eb1f81fd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T02:46:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc8a8adf66984a8140b129ad89620a8c590677767f05dabc4b4efe113f377ebf7","name":"Song Pu Reum","registered_at":"2026-06-21T00:45:39Z","symbol":"NIM1766652","token_address":"0x2f61c15776f08c7b8cd7ea7803fe3b19c10f72a5","type":"artist","uuid":"d07f19ac-2eee-47b9-aa5f-9816eb1f81fd"}
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 0xc8a8adf66984a8140b129ad89620a8c590677767f05dabc4b4efe113f377ebf7. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d07f19ac-2eee-47b9-aa5f-9816eb1f81fd.json and https://artists.proofprofile.net/proofs/artist/d07f19ac-2eee-47b9-aa5f-9816eb1f81fd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
  text: {"copyright_id":"0xc8a8adf66984a8140b129ad89620a8c590677767f05dabc4b4efe113f377ebf7","name":"Song Pu Reum","registered_at":"2026-06-21T00:45:39Z","symbol":"NIM1766652","token_address":"0x2f61c15776f08c7b8cd7ea7803fe3b19c10f72a5","type":"artist","uuid":"d07f19ac-2eee-47b9-aa5f-9816eb1f81fd"}
album: 꽃길만 걸어요(Original Television Soundtrack), Pt. 24
  type: MusicAlbum
  date published: 2020-02-19
album: 위험한 약속 (Original Television Soundtrack), Pt. 5
  type: MusicAlbum
  date published: 2020-04-30
album: The Crush Of Spring OST Part.12
  type: MusicAlbum
  date published: 2022-06-23
album: I didn't know back then
  type: MusicAlbum
  date published: 2022-07-16
  track: I didn't know back then
    type: MusicRecording
    duration: PT3M24S
    duration ms: 204970
    explicit: false
    by artist: Song Pu Reum
    in album: I didn't know back then
      type: MusicAlbum
      date published: 2022-07-16
    genre: k-ballad
    isrc code: QZNCB2185140
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T13:35:24+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe0788406ea7d293e091d58d8786a65b0afeedf3e641a84a8398ccba57cfc72fd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958742
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958742
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNCB2185140
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T16:39:27Z
    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 0xe0788406ea7d293e091d58d8786a65b0afeedf3e641a84a8398ccba57cfc72fd. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:39:27Z), 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/QZNCB2185140.
      date published: 2026-07-19T16:39:27Z
    audio: I didn't know back then
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 130.789
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.484
      additional property: Energy
        type: PropertyValue
        value: 0.48
      additional property: Speechiness
        type: PropertyValue
        value: 0.029
      additional property: Acousticness
        type: PropertyValue
        value: 0.762
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.11
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.191
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.644
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Bravo, My Life OST Part.32 (Soundtrack)
  type: MusicAlbum
  date published: 2022-08-07
album: Coffee Fox Kim Sam Wol OST Part.1 (Soundtrack)
  type: MusicAlbum
  date published: 2022-09-10
album: Taepung's Bride OST Part.3 (Soundtrack)
  type: MusicAlbum
  date published: 2022-10-23
album: Three Siblings Bravely OST Part.7 (Soundtrack)
  type: MusicAlbum
  date published: 2023-01-09
album: Something Like That
  type: MusicAlbum
  date published: 2023-05-20
  track: Something Like That
    type: MusicRecording
    duration: PT4M4S
    duration ms: 244000
    explicit: false
    by artist: Song Pu Reum
    in album: Something Like That
      type: MusicAlbum
      date published: 2023-05-20
    genre: k-ballad
    isrc code: KRA492300470
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T11:11:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa57fe73f9906e98fd50e7e2f3b966810e38e10621311ce7e031d9e59d4ac1b32
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958152
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958152
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA492300470
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T14:07:27Z
    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 0xa57fe73f9906e98fd50e7e2f3b966810e38e10621311ce7e031d9e59d4ac1b32. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T14:07:27Z), 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/KRA492300470.
      date published: 2026-07-15T14:07:27Z
    audio: Something Like That
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 133.251
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      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: 수지맞은 우리 (Original Television Soundtrack), Pt. 8
album: A Profitable Cage OST Part.8

Time Signature
type: PropertyValue
value: 4

Danceability
type: PropertyValue
value: 0.471

Energy
type: PropertyValue
value: 0.516

Speechiness
type: PropertyValue
value: 0.033

Acousticness
type: PropertyValue
value: 0.644

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.073

Valence (Positivity)
type: PropertyValue
value: 0.186

Loudness (dB)
type: PropertyValue
value: -3.606

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major

수지맞은 우리 (Original Television Soundtrack), Pt. 8
type: MusicAlbum
date published: 2024-05-13

A Profitable Cage OST Part.8
type: MusicAlbum
date published: 2024-05-13