ISRC DEF057101553

Verified recording

DEF057101553 is “Symphony No. 5 In C Sharp Minor: V. Rondo-Finale (Allegro)” by Gustav Mahler, registered on the CopyrightChains blockchain with CopyrightID 0xb9b63244319e91c0212a6c065569ab7cc7a1db9f0683a909b66f07265bf503c0 and independently timestamped in Bitcoin block 960441 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057101553.

Recording identifiers

ISRC
DEF057101553
Title
Symphony No. 5 In C Sharp Minor: V. Rondo-Finale (Allegro)
Artist
Gustav Mahler
CopyrightID (CopyrightChains transaction hash)
0xb9b63244319e91c0212a6c065569ab7cc7a1db9f0683a909b66f07265bf503c0

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T17:29:52+00:00
Bitcoin block
960441
Canonical record hash
sha256:847ceedcc35199c51db58fff14d2dc9a29bd95f4101f0543d480a4b66b673478
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057101553
Bitcoin block existence check
https://blockstream.info/api/block/960441

Full record

Track page: Symphony No. 5 In C Sharp Minor: V. Rondo-Finale (Allegro) · Machine-readable JSON-LD