ISRC QZHZ32050412
Verified recording
QZHZ32050412 is “42” by A Última Theoria,
registered on the CopyrightChains blockchain with CopyrightID
0xa887fe3b29e5f62c84f01b965d8586adff3d4b75155dc65877f593af0361f813 and independently timestamped
in Bitcoin block 956889 on 2026-07-06.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ32050412.
Recording identifiers
- ISRC
- QZHZ32050412
- Title
- 42
- Artist
- A Última Theoria
- CopyrightID (CopyrightChains transaction hash)
0xa887fe3b29e5f62c84f01b965d8586adff3d4b75155dc65877f593af0361f813
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-06T06:56:49+00:00
- Bitcoin block
- 956889
- Canonical record hash
sha256:a7eed190f12b557e2f8b8794fa447d586f28355dbce7f0300f5e172672836587- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ32050412
- Bitcoin block existence check
- https://blockstream.info/api/block/956889