ISRC QZHN72226477
Verified recording
QZHN72226477 is “Worst Days” by RondoSp,
registered on the CopyrightChains blockchain with CopyrightID
0x7273f9b25e0f2c96e263cf8a133ed9cb2bd464bdf37b16e1480e0a81a9d4bd4c and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN72226477.
Recording identifiers
- ISRC
- QZHN72226477
- Title
- Worst Days
- Artist
- RondoSp
- CopyrightID (CopyrightChains transaction hash)
0x7273f9b25e0f2c96e263cf8a133ed9cb2bd464bdf37b16e1480e0a81a9d4bd4c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:41e718dbf1309dded6c43657d82766265871baa1f03aa40b5ebff6a6977bfa06- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN72226477
- Bitcoin block existence check
- https://blockstream.info/api/block/960291