ISRC QMVGK1300195
Verified recording
QMVGK1300195 is “What a Difference a Day Makes” by María Grever,
registered on the CopyrightChains blockchain with CopyrightID
0x8517660e677c464a1650196f967e0c8c493c660887dd23c7ab35c6e525f59e0d and independently timestamped
in Bitcoin block 960138 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMVGK1300195.
Recording identifiers
- ISRC
- QMVGK1300195
- Title
- What a Difference a Day Makes
- Artist
- María Grever
- CopyrightID (CopyrightChains transaction hash)
0x8517660e677c464a1650196f967e0c8c493c660887dd23c7ab35c6e525f59e0d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T19:35:34+00:00
- Bitcoin block
- 960138
- Canonical record hash
sha256:ab3455669c9ce94126c0ac95aa1a55d364fa5c11e88a1174ea1cd1c7c641cbd9- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMVGK1300195
- Bitcoin block existence check
- https://blockstream.info/api/block/960138
Full record
Track page: What a Difference a Day Makes · Machine-readable JSON-LD