ISRC DEF056701011

Verified recording

DEF056701011 is “Symphony No. 9 in D: I. Andante comodo” by Gustav Mahler, registered on the CopyrightChains blockchain with CopyrightID 0x1c4a438352427befd6dc04b75357fe765f5741c14859a28c8f8ca907d4ca4686 and independently timestamped in Bitcoin block 960418 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056701011.

Recording identifiers

ISRC
DEF056701011
Title
Symphony No. 9 in D: I. Andante comodo
Artist
Gustav Mahler
CopyrightID (CopyrightChains transaction hash)
0x1c4a438352427befd6dc04b75357fe765f5741c14859a28c8f8ca907d4ca4686

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15+00:00
Bitcoin block
960418
Canonical record hash
sha256:3a7e765e1a508935404e82e4b15c698246ebba4c32e5fd5f2a87b1002c80387b
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056701011
Bitcoin block existence check
https://blockstream.info/api/block/960418

Full record

Track page: Symphony No. 9 in D: I. Andante comodo · Machine-readable JSON-LD