ISRC USQ4E2201067

Verified recording

USQ4E2201067 is “Symphony No. 5 in C Sharp Minor / Pt. 1: I. Trauermarsch & II. Stürmisch bewegt - Rehearsals” by Gustav Mahler, registered on the CopyrightChains blockchain with CopyrightID 0x2054328753ecaae399aa0f511ead758aab7129559295a24d8b3e14e407b5eaa0 and independently timestamped in Bitcoin block 956302 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E2201067.

Recording identifiers

ISRC
USQ4E2201067
Title
Symphony No. 5 in C Sharp Minor / Pt. 1: I. Trauermarsch & II. Stürmisch bewegt - Rehearsals
Artist
Gustav Mahler
CopyrightID (CopyrightChains transaction hash)
0x2054328753ecaae399aa0f511ead758aab7129559295a24d8b3e14e407b5eaa0

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09+00:00
Bitcoin block
956302
Canonical record hash
sha256:abc32f4bf976e9955c5321fed0f3d45ab208d1376c72a0f1aaa70f1894ddec96
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USQ4E2201067
Bitcoin block existence check
https://blockstream.info/api/block/956302

Full record

Track page: Symphony No. 5 in C Sharp Minor / Pt. 1: I. Trauermarsch & II. Stürmisch bewegt - Rehearsals · Machine-readable JSON-LD