ISRC TWX250302019
Verified recording
TWX250302019 is “滄桑歎變奏 - 變奏” by 周志華,
registered on the CopyrightChains blockchain with CopyrightID
0x0e78b8f2672b1187501c416dc78c6f1f0cc1291581eced7080ccdcf25e9bcc44 and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWX250302019.
Recording identifiers
- ISRC
- TWX250302019
- Title
- 滄桑歎變奏 - 變奏
- Artist
- 周志華
- CopyrightID (CopyrightChains transaction hash)
0x0e78b8f2672b1187501c416dc78c6f1f0cc1291581eced7080ccdcf25e9bcc44
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:04c6e130be77ed79a43b8902bf5d31f2453bdd2cbe9a7cb930c2c477b29b5693- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWX250302019
- Bitcoin block existence check
- https://blockstream.info/api/block/960397