ISRC GBAYC0100602

Verified recording

GBAYC0100602 is “Mahler: Kindertotenlieder: No. 1, Nun will die Sonn' so hell aufgeh'n” by Gustav Mahler, registered on the CopyrightChains blockchain with CopyrightID 0xcfe1edf310a7a53572619af492194f01c3e4e568e4a9859282a9609376ac504b and independently timestamped in Bitcoin block 956375 on 2026-07-02. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0100602.

Recording identifiers

ISRC
GBAYC0100602
Title
Mahler: Kindertotenlieder: No. 1, Nun will die Sonn' so hell aufgeh'n
Artist
Gustav Mahler
CopyrightID (CopyrightChains transaction hash)
0xcfe1edf310a7a53572619af492194f01c3e4e568e4a9859282a9609376ac504b

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38+00:00
Bitcoin block
956375
Canonical record hash
sha256:b0cedce7993dbed02cca2c665cb7fcf3f0e40455a67f93fe52643fefb27af517
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0100602
Bitcoin block existence check
https://blockstream.info/api/block/956375

Full record

Track page: Mahler: Kindertotenlieder: No. 1, Nun will die Sonn' so hell aufgeh'n · Machine-readable JSON-LD