ISRC DEF056700991

Verified recording

DEF056700991 is “Symphony No. 1 in D Major: II. Kräftig bewegt, doch nicht zu schnell” by Gustav Mahler, registered on the CopyrightChains blockchain with CopyrightID 0x005584ac20c47d02a50cf5f391e65342f049bb8f323cc2f1ecef535f41a303f6 and independently timestamped in Bitcoin block 960185 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056700991.

Recording identifiers

ISRC
DEF056700991
Title
Symphony No. 1 in D Major: II. Kräftig bewegt, doch nicht zu schnell
Artist
Gustav Mahler
CopyrightID (CopyrightChains transaction hash)
0x005584ac20c47d02a50cf5f391e65342f049bb8f323cc2f1ecef535f41a303f6

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T01:32:48+00:00
Bitcoin block
960185
Canonical record hash
sha256:aa4e7ba7c2361fddf58623e4cb44d2897d54e54266b0cebfd2e79341000b13c0
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056700991
Bitcoin block existence check
https://blockstream.info/api/block/960185

Full record

Track page: Symphony No. 1 in D Major: II. Kräftig bewegt, doch nicht zu schnell · Machine-readable JSON-LD