ISRC GBF079140904
Verified recording
GBF079140904 is “Requiem, K. 626 (Ed. Robbins Landon): IIIb. Tuba mirum - Live at Stephansdom, Vienna, 1991” by Wolfgang Amadeus Mozart,
registered on the CopyrightChains blockchain with CopyrightID
0x52cffd506fc35c21f7d5f55116f24f59c9a9eb43dc1b5553523fc77118f9bf48 and independently timestamped
in Bitcoin block 957819 on 2026-07-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079140904.
Recording identifiers
- ISRC
- GBF079140904
- Title
- Requiem, K. 626 (Ed. Robbins Landon): IIIb. Tuba mirum - Live at Stephansdom, Vienna, 1991
- Artist
- Wolfgang Amadeus Mozart
- CopyrightID (CopyrightChains transaction hash)
0x52cffd506fc35c21f7d5f55116f24f59c9a9eb43dc1b5553523fc77118f9bf48
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-13T07:53:33+00:00
- Bitcoin block
- 957819
- Canonical record hash
sha256:fa6b27acf83bd7c114751d535fec20df076bfcfe841c3c7693cd37c5ffd38f37- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079140904
- Bitcoin block existence check
- https://blockstream.info/api/block/957819
Full record
Track page: Requiem, K. 626 (Ed. Robbins Landon): IIIb. Tuba mirum - Live at Stephansdom, Vienna, 1991 · Machine-readable JSON-LD