ISRC TWFG11900001
Verified recording
TWFG11900001 is “老沙發 - 單曲” by 劉思延,
registered on the CopyrightChains blockchain with CopyrightID
0xfac099d617479bc8cbfc91e9a047d6885ca90a417f041a6b3db7c1593a2fa895 and independently timestamped
in Bitcoin block 960403 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWFG11900001.
Recording identifiers
- ISRC
- TWFG11900001
- Title
- 老沙發 - 單曲
- Artist
- 劉思延
- CopyrightID (CopyrightChains transaction hash)
0xfac099d617479bc8cbfc91e9a047d6885ca90a417f041a6b3db7c1593a2fa895
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:04:34+00:00
- Bitcoin block
- 960403
- Canonical record hash
sha256:2fd710347f37182de0f0462ed34903e26fad618d72d7a47cb30b3d4ddae324c8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TWFG11900001
- Bitcoin block existence check
- https://blockstream.info/api/block/960403