ISRC GBAYC9801218

Verified recording

GBAYC9801218 is “Mahler: Kindertotenlieder: No. 1, Nun will die Sonn' so hell aufgeh'n” by Gustav Mahler, registered on the CopyrightChains blockchain with CopyrightID 0x0ef76c6e4121542e92e2ddef1028e78a4cdf8114f937269dd23ca2fe858a8f59 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/GBAYC9801218.

Recording identifiers

ISRC
GBAYC9801218
Title
Mahler: Kindertotenlieder: No. 1, Nun will die Sonn' so hell aufgeh'n
Artist
Gustav Mahler
CopyrightID (CopyrightChains transaction hash)
0x0ef76c6e4121542e92e2ddef1028e78a4cdf8114f937269dd23ca2fe858a8f59

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09+00:00
Bitcoin block
956302
Canonical record hash
sha256:97939dd0f5a331b8035d879564623feb12bcefebe2ec07807989bd5228c5e93e
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9801218
Bitcoin block existence check
https://blockstream.info/api/block/956302

Full record

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