ISRC TWU712002135
Verified recording
TWU712002135 is “七页纸的信” by 洪一诺,
registered on the CopyrightChains blockchain with CopyrightID
0x9a3fa9300ee25f1b3d0471a4d4ea8d9126b0a133f76e8d9b368514b6d0e5d0f3 and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWU712002135.
Recording identifiers
- ISRC
- TWU712002135
- Title
- 七页纸的信
- Artist
- 洪一诺
- CopyrightID (CopyrightChains transaction hash)
0x9a3fa9300ee25f1b3d0471a4d4ea8d9126b0a133f76e8d9b368514b6d0e5d0f3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:787b29591e96f7dec7e04e0f9b242bed67f655ef9204f7433d3fe7dad11ca079- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWU712002135
- Bitcoin block existence check
- https://blockstream.info/api/block/960337