ISRC GBAYC9801233

Verified recording

GBAYC9801233 is “Mahler: Lieder eines fahrenden Gesellen: No. 4, Die zwei blauen Augen” by Gustav Mahler, registered on the CopyrightChains blockchain with CopyrightID 0xb329b817ef123b299848572a41a9f9c86eae50f079d9f3bfe9fa86c1609a2538 and independently timestamped in Bitcoin block 960203 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9801233.

Recording identifiers

ISRC
GBAYC9801233
Title
Mahler: Lieder eines fahrenden Gesellen: No. 4, Die zwei blauen Augen
Artist
Gustav Mahler
CopyrightID (CopyrightChains transaction hash)
0xb329b817ef123b299848572a41a9f9c86eae50f079d9f3bfe9fa86c1609a2538

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13+00:00
Bitcoin block
960203
Canonical record hash
sha256:828b30f5f505e70218c8c18a9d6e1fad1213c8e6cc1e0ec7c3b5d4e9e1eaeb7a
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9801233
Bitcoin block existence check
https://blockstream.info/api/block/960203

Full record

Track page: Mahler: Lieder eines fahrenden Gesellen: No. 4, Die zwei blauen Augen · Machine-readable JSON-LD