ISRC DEF058702685
Verified recording
DEF058702685 is “Symphony No. 9: Ie. Leidenschaftlich - Live at Konzerthaus, Vienna, 1987” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x1670f5ca5be5c90bc2ab3857d759a84ff5cc1ae971c301f82a5c7550d34bf257 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/DEF058702685.
Recording identifiers
- ISRC
- DEF058702685
- Title
- Symphony No. 9: Ie. Leidenschaftlich - Live at Konzerthaus, Vienna, 1987
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x1670f5ca5be5c90bc2ab3857d759a84ff5cc1ae971c301f82a5c7550d34bf257
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:da6cbc8e5c6a3bce4d8779037aae52908915248219d094114d50312db0011b57- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058702685
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 9: Ie. Leidenschaftlich - Live at Konzerthaus, Vienna, 1987 · Machine-readable JSON-LD