霜凍前夜
type: MusicGroup
genre: chinese rock
popularity: 2
followers: 398
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x910ea8e1457a07140569467ef21c2f5353f29deeffb75adb91e0d6c4fc99898f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953968
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953968
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/28e495a0-067d-474d-a0e6-11fe4be9401d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/28e495a0-067d-474d-a0e6-11fe4be9401d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/28e495a0-067d-474d-a0e6-11fe4be9401d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T16:01:49Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x910ea8e1457a07140569467ef21c2f5353f29deeffb75adb91e0d6c4fc99898f","name":"霜凍前夜","registered_at":"2026-06-16T03:43:58Z","symbol":"NIM0926857","token_address":"0xffe3feff3e30dea9d1257c57b781f05d0147e315","type":"artist","uuid":"28e495a0-067d-474d-a0e6-11fe4be9401d"}
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 0x910ea8e1457a07140569467ef21c2f5353f29deeffb75adb91e0d6c4fc99898f. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/28e495a0-067d-474d-a0e6-11fe4be9401d.json and https://artists.proofprofile.net/proofs/artist/28e495a0-067d-474d-a0e6-11fe4be9401d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0x910ea8e1457a07140569467ef21c2f5353f29deeffb75adb91e0d6c4fc99898f","name":"霜凍前夜","registered_at":"2026-06-16T03:43:58Z","symbol":"NIM0926857","token_address":"0xffe3feff3e30dea9d1257c57b781f05d0147e315","type":"artist","uuid":"28e495a0-067d-474d-a0e6-11fe4be9401d"}
album: 鵠歌
  type: MusicAlbum
  date published: 2023-02-16
  track: 淡妝
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  type: MusicAlbum
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  type: MusicAlbum
  date published: 2014-10-11
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  type: MusicAlbum
  date published: 2013-10-21
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  type: MusicAlbum
  date published: 2022-03-10
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  type: MusicAlbum
  date published: 2021-07-05
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  type: MusicAlbum
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  type: MusicAlbum
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淡妝
type: MusicRecording
duration: PT3M36S
duration ms: 216250
explicit: false
by artist: 霜凍前夜
in album: 鵠歌
  type: MusicAlbum
  date published: 2023-02-16
genre: chinese-metal
isrc code: CNZ792300011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T04:57:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4d614567f587a1cea29869ec1411a38f7dd0f5c1f45855e407a5d7eb37714bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CNZ792300011
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956375
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T16:51:38+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa4d614567f587a1cea29869ec1411a38f7dd0f5c1f45855e407a5d7eb37714bf. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/CNZ792300011.
  date published: 2026-07-02T16:51:38Z
audio: 淡妝
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.266
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.67
  additional property: Energy
    type: PropertyValue
    value: 0.305
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.913
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.884
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.328
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.841
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major