ISRC QMFME1907270
Verified recording
QMFME1907270 is “Requiem, K. 626: Lacrimosa - Sigismond Thalberg: Op. 70, No. 5A after Wolfgang Amadeus Mozart” by Sigismond Thalberg,
registered on the CopyrightChains blockchain with CopyrightID
0x673e00232adc6e10dc66ea28efac8f1b308a703759d869611189beaa473267f8 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME1907270.
Recording identifiers
- ISRC
- QMFME1907270
- Title
- Requiem, K. 626: Lacrimosa - Sigismond Thalberg: Op. 70, No. 5A after Wolfgang Amadeus Mozart
- Artist
- Sigismond Thalberg
- CopyrightID (CopyrightChains transaction hash)
0x673e00232adc6e10dc66ea28efac8f1b308a703759d869611189beaa473267f8
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:5c0cc2a4aed91ba51bdf8751a02838aece95a84cd284bda3e675edbf9ad6eaec- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFME1907270
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Requiem, K. 626: Lacrimosa - Sigismond Thalberg: Op. 70, No. 5A after Wolfgang Amadeus Mozart · Machine-readable JSON-LD