The City Chorus
type: MusicGroup
genre: luk thung
genre: phleng phuea chiwit
genre: thai pop
popularity: 10
followers: 280
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x035fcd3a2f225025c02b6a0680ed007ac99afdadd9a7ec13314514764243d15e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/65232bde-4f2a-4990-9a59-6803c8ba0bfe.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/65232bde-4f2a-4990-9a59-6803c8ba0bfe.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/65232bde-4f2a-4990-9a59-6803c8ba0bfe
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x035fcd3a2f225025c02b6a0680ed007ac99afdadd9a7ec13314514764243d15e","name":"The City Chorus","registered_at":"2026-06-17T00:53:59Z","symbol":"NIM1229935","token_address":"0xcf93cd9f17bc3c2621b30407a03b19d9dc1494e1","type":"artist","uuid":"65232bde-4f2a-4990-9a59-6803c8ba0bfe"}
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 0x035fcd3a2f225025c02b6a0680ed007ac99afdadd9a7ec13314514764243d15e. 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/65232bde-4f2a-4990-9a59-6803c8ba0bfe.json and https://artists.proofprofile.net/proofs/artist/65232bde-4f2a-4990-9a59-6803c8ba0bfe.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x035fcd3a2f225025c02b6a0680ed007ac99afdadd9a7ec13314514764243d15e","name":"The City Chorus","registered_at":"2026-06-17T00:53:59Z","symbol":"NIM1229935","token_address":"0xcf93cd9f17bc3c2621b30407a03b19d9dc1494e1","type":"artist","uuid":"65232bde-4f2a-4990-9a59-6803c8ba0bfe"}
album: สัญญาเมื่อสายัณห์
  type: MusicAlbum
  date published: 1992
album: สานฝัน 3
  type: MusicAlbum
  date published: 1995-01-01
  track: เพื่อมวลชน
    type: MusicRecording
    duration: PT3M19S
    duration ms: 199936
    explicit: false
    by artist: The City Chorus
    in album: สานฝัน 3
      type: MusicAlbum
      date published: 1995-01-01
    genre: luk thung
    genre: phleng phuea chiwit
    genre: thai pop
    isrc code: THRSP1218408
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T20:35:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x59a432597e22d71752508f5fb44d069b2dcf1829677266f5bd66b0c16a36563b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958931
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958931
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THRSP1218408
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T21:15:01Z
    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 0x59a432597e22d71752508f5fb44d069b2dcf1829677266f5bd66b0c16a36563b. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/THRSP1218408.
      date published: 2026-07-20T21:15:01Z
    audio: เพื่อมวลชน
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 119.908
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.382
      additional property: Energy
        type: PropertyValue
        value: 0.249
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.85
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.175
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.428
      additional property: Loudness (dB)
        type: PropertyValue
        value: -14.272
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: สานฝัน 1
  type: MusicAlbum
  date published: 1995-01-01
album: สานฝัน 3
  type: MusicAlbum
  date published: 1995-02-09
album: CITY CHORUS - THE ONE SERIES VOL.1
  type: MusicAlbum
  date published: 2004-05-27
  track: ยอมจำนนฟ้าดิน
    type: MusicRecording
    duration: PT3M49S
    duration ms: 229326
    explicit: false
    by artist: The City Chorus
    in album: CITY CHORUS - THE ONE SERIES VOL.1
      type: MusicAlbum
      date published: 2004-05-27
    genre: luk thung
    genre: phleng phuea chiwit
    genre: thai pop
    isrc code: THRSP1215294
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T15:11:56+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3e6ed501346c926128cf1201c79d7ddae5f024c571d4b22b751501cac39e08c9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956826
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/THRSP1215294
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0x3e6ed501346c926128cf1201c79d7ddae5f024c571d4b22b751501cac39e08c9. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/THRSP1215294.
      date published: 2026-07-05T19:27:56Z
    audio: ยอมจำนนฟ้าดิน
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 136.176
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.685
      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: CITY CHORUS - THE ONE SERIES VOL.2
album: สายัณห์รัญจวน
album: สานฝัน 2
album: Love Harmony 1
album: Love Harmony 2
album: สานฝัน4

Energy
type: PropertyValue
value: 0.468

Speechiness
type: PropertyValue
value: 0.034

Acousticness
type: PropertyValue
value: 0.7

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.164

Valence (Positivity)
type: PropertyValue
value: 0.243

Loudness (dB)
type: PropertyValue
value: -8.316

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

CITY CHORUS - THE ONE SERIES VOL.2
type: MusicAlbum
date published: 2004-05-27

CITY CHORUS - THE ONE SERIES VOL.2
type: MusicAlbum
date published: 2004-05-27

CITY CHORUS - THE ONE SERIES VOL.1
type: MusicAlbum
date published: 2004-07-01

สายัณห์รัญจวน
type: MusicAlbum
date published: 2005-01-01

สานฝัน 1
type: MusicAlbum
date published: 2005-11-30

สานฝัน 2
type: MusicAlbum
date published: 2005-11-30

Love Harmony 1
type: MusicAlbum
date published: 2005-11-30

สานฝัน 2
type: MusicAlbum
date published: 2005-11-30

Love Harmony 2
type: MusicAlbum
date published: 2005-11-30

สานฝัน4
type: MusicAlbum
date published: 2005-11-30