ISRC DEF058032812
Verified recording
DEF058032812 is “Symphony No. 3: IIIb. Wieder sehr gemächlich, wie zu Anfang” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x85a9564ad6258b26ef62e819e5a87da2752d898cdca8439e7e3378da8a10ae2b and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058032812.
Recording identifiers
- ISRC
- DEF058032812
- Title
- Symphony No. 3: IIIb. Wieder sehr gemächlich, wie zu Anfang
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x85a9564ad6258b26ef62e819e5a87da2752d898cdca8439e7e3378da8a10ae2b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:8b2652dab5e54c00e6b68e14e6f4e2b4ffd2c96149c58d7919e5f7d068d5ce3a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058032812
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Symphony No. 3: IIIb. Wieder sehr gemächlich, wie zu Anfang · Machine-readable JSON-LD