ISRC QM4TW2408779
Verified recording
QM4TW2408779 is “istfg” by Sadfriendd,
registered on the CopyrightChains blockchain with CopyrightID
0x04f9bb614414a21ee746275d943b33a0878db3c213903e165dabccfc89bb3693 and independently timestamped
in Bitcoin block 953528 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2408779.
Recording identifiers
- ISRC
- QM4TW2408779
- Title
- istfg
- Artist
- Sadfriendd
- CopyrightID (CopyrightChains transaction hash)
0x04f9bb614414a21ee746275d943b33a0878db3c213903e165dabccfc89bb3693
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T15:41:10+00:00
- Bitcoin block
- 953528
- Canonical record hash
sha256:5b52e46e7b8270702e9cbb11c8954e98458dddab0583c3b823ad6c885cd6ce12- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2408779
- Bitcoin block existence check
- https://blockstream.info/api/block/953528