427
type: MusicGroup
genre: blues rock
description: thumb|(The Tale of the) Peach Blossom Spring, by Tao Qian __NOTOC__ Year 427 (CDXXVII) was a common year starting on Saturday of the Julian calendar. At the time, it was known as the Year of the Con
popularity: 2
followers: 49
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additional property: CopyrightChainExplorerURL
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additional property: OTSCanonicalRecord
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
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  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x681ed7960403d5ecef2d98e941759944742dc8db209e51cdeb2bd1187de16665. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b77f8061-832e-4fcc-927f-ef9def5a7cdf.json and https://artists.proofprofile.net/proofs/artist/b77f8061-832e-4fcc-927f-ef9def5a7cdf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T17:48:00Z
album: I Want to Live
  type: MusicAlbum
  date published: 2012-10-22
album: 表
  type: MusicAlbum
  date published: 2024-03-27
album: 底牌
  type: MusicAlbum
  date published: 2024-07-31
track: Bringin' It Back
track: Gorilla War

Bringin' It Back
type: MusicRecording
duration: PT3M53S
duration ms: 233093
explicit: false
by artist: Planet Asia
by artist: 427
in album: Throwbacks
  type: MusicAlbum
  date published: 2004-09-19
genre: underground-hip-hop
genre: alternative-r-b
genre: alternative-hip-hop
genre: boom-bap
genre: hardcore-hip-hop
isrc code: USQY50953186
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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  value: 2026-07-02T03:55:08+00:00
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
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  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dd262a905d6f6636e1765b8fb96eaccd0e4017e466591858a0e1a58874db575. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USQY50953186.
  date published: 2026-07-02T11:38:34Z
audio: Bringin' It Back
  type: AudioObject
  additional property: Tempo (BPM)
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    type: PropertyValue
    value: 2
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    type: PropertyValue
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    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Key Name
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  additional property: Mode Name
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Gorilla War
type: MusicRecording
duration: PT3M49S
duration ms: 229853
explicit: false
by artist: Planet Asia
by artist: Supa Supreme
by artist: 427
in album: Throwbacks
  type: MusicAlbum
  date published: 2004-09-19
genre: underground-hip-hop
genre: alternative-r-b
genre: alternative-hip-hop
genre: boom-bap
genre: hardcore-hip-hop
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3c393e1b794d4685d16e1004c5e94182eca8a6f984eec3e22e3fea33a903c01. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/USQY50953194.
  date published: 2026-07-31T23:30:38Z
audio: Gorilla War
  type: AudioObject
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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    value: -15.457
  additional property: Key Name
    type: PropertyValue
    value: A
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    type: PropertyValue
    value: Minor
isrc code: USQY50953194
additional property: CopyrightID
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additional property: OTSTimestamp
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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