ISRC GBQRF1341808
Verified recording
GBQRF1341808 is “Waltz No. 1 in A-Flat Major, Op. 34” by Dubravka Tomšič,
registered on the CopyrightChains blockchain with CopyrightID
0x45e5410705e39bab49c287074ca3330270b6e7983fe140e5a64e73d10d36bfc9 and independently timestamped
in Bitcoin block 960370 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBQRF1341808.
Recording identifiers
- ISRC
- GBQRF1341808
- Title
- Waltz No. 1 in A-Flat Major, Op. 34
- Artist
- Dubravka Tomšič
- CopyrightID (CopyrightChains transaction hash)
0x45e5410705e39bab49c287074ca3330270b6e7983fe140e5a64e73d10d36bfc9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:38:45+00:00
- Bitcoin block
- 960370
- Canonical record hash
sha256:79b5de475b2f16e423d818bd55709628c3d35947b7302945bde67c867ee23847- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBQRF1341808
- Bitcoin block existence check
- https://blockstream.info/api/block/960370
Full record
Track page: Waltz No. 1 in A-Flat Major, Op. 34 · Machine-readable JSON-LD