ISRC DEF057101556
Verified recording
DEF057101556 is “Symphony No. 5 In C Sharp Minor: III. Scherzo (Kräftig, nicht zu schnell)” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0xc755d2d12d64fa337ca6f8f06ab4cc1b3a4a6aa5eb4813e13b5b5606db63a23a and independently timestamped
in Bitcoin block 960455 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057101556.
Recording identifiers
- ISRC
- DEF057101556
- Title
- Symphony No. 5 In C Sharp Minor: III. Scherzo (Kräftig, nicht zu schnell)
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0xc755d2d12d64fa337ca6f8f06ab4cc1b3a4a6aa5eb4813e13b5b5606db63a23a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T19:53:13+00:00
- Bitcoin block
- 960455
- Canonical record hash
sha256:728b5f9e776732f19622b2176432965bf6e4260965829544a77a6bca96c89ac1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057101556
- Bitcoin block existence check
- https://blockstream.info/api/block/960455
Full record
Track page: Symphony No. 5 In C Sharp Minor: III. Scherzo (Kräftig, nicht zu schnell) · Machine-readable JSON-LD