ISRC DEF058702689
Verified recording
DEF058702689 is “Symphony No. 9: Ii. Schon ganz langsam - Live at Konzerthaus, Vienna, 1987” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xe199becc755d7689464717b1d15601f27c728527feb8bd4718fd58a8adb867a4 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/DEF058702689.
Recording identifiers
- ISRC
- DEF058702689
- Title
- Symphony No. 9: Ii. Schon ganz langsam - Live at Konzerthaus, Vienna, 1987
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xe199becc755d7689464717b1d15601f27c728527feb8bd4718fd58a8adb867a4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:ab617be91500f9f0f0b19a1e8822845c6b68457b71bba442030790e806cfc6ca- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058702689
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 9: Ii. Schon ganz langsam - Live at Konzerthaus, Vienna, 1987 · Machine-readable JSON-LD