ISRC GBLLH1854704
Verified recording
GBLLH1854704 is “Grabmusik, K. 42/35a (Original 1767 Version): No. 4, "Betracht dies Herz und frage mich" (Aria)” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0xb8c84d615ea917de2c4dd50918496282e02ff3d7bae6db40f0c42686e956aa91 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/GBLLH1854704.
Recording identifiers
- ISRC
- GBLLH1854704
- Title
- Grabmusik, K. 42/35a (Original 1767 Version): No. 4, "Betracht dies Herz und frage mich" (Aria)
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0xb8c84d615ea917de2c4dd50918496282e02ff3d7bae6db40f0c42686e956aa91
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:8d16e51085ff8399c51b985da579a623e79b6ca14e10b027440138178902d2df- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1854704
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Grabmusik, K. 42/35a (Original 1767 Version): No. 4, "Betracht dies Herz und frage mich" (Aria) · Machine-readable JSON-LD