ISRC DEF058904441
Verified recording
DEF058904441 is “Symphony No. 1 in D Major: I. Langsam, schleppend - Immer sehr gemächlich - Live” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x06b944d0eb2fcfbb6867e041f08ca5f77160e869b88b0236cb031379ee7e0f4b 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/DEF058904441.
Recording identifiers
- ISRC
- DEF058904441
- Title
- Symphony No. 1 in D Major: I. Langsam, schleppend - Immer sehr gemächlich - Live
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x06b944d0eb2fcfbb6867e041f08ca5f77160e869b88b0236cb031379ee7e0f4b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:f0be92502768ed06988c69f4584bd0a1d097ead7d2ce353fc1a3ce3245652671- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058904441
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Symphony No. 1 in D Major: I. Langsam, schleppend - Immer sehr gemächlich - Live · Machine-readable JSON-LD