ISRC DEF058032815
Verified recording
DEF058032815 is “Symphony No. 3: IIIe. Wieder sehr gemächlich, beinahe langsam” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xc5f82f21b3be50bf1cd33b6c3133342afd62efcfbbec8dd05bbc12aa757fcb7f 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/DEF058032815.
Recording identifiers
- ISRC
- DEF058032815
- Title
- Symphony No. 3: IIIe. Wieder sehr gemächlich, beinahe langsam
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xc5f82f21b3be50bf1cd33b6c3133342afd62efcfbbec8dd05bbc12aa757fcb7f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:de2845619f6643ace999444351bbc6c95d89ed62fd26b611a1a9f14621bfb087- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058032815
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 3: IIIe. Wieder sehr gemächlich, beinahe langsam · Machine-readable JSON-LD