ISRC DEF058700039
Verified recording
DEF058700039 is “Symphony No. 9: III. Rondo-Burleske: b. L'istesso tempo I - Live at Konzerthaus, Vienna, 1987” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x27ba7d09ea2daaeb18d150de2da238052cb0c899f3a664e1ad3c851a2fb9baa5 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/DEF058700039.
Recording identifiers
- ISRC
- DEF058700039
- Title
- Symphony No. 9: III. Rondo-Burleske: b. L'istesso tempo I - Live at Konzerthaus, Vienna, 1987
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x27ba7d09ea2daaeb18d150de2da238052cb0c899f3a664e1ad3c851a2fb9baa5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:110102250d0c8fa6325770b2cdbc11f2b722fe1702423b02bfec51faf0d35806- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058700039
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 9: III. Rondo-Burleske: b. L'istesso tempo I - Live at Konzerthaus, Vienna, 1987 · Machine-readable JSON-LD