ISRC GBAYC9801221
Verified recording
GBAYC9801221 is “Mahler: Kindertotenlieder: No. 4, Oft denk' ich, sie sind nur ausgegangen” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x8cb7d15993ca8f7d6e203ced4359d7d1639833607883c474327f1bab9e0e9630 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9801221.
Recording identifiers
- ISRC
- GBAYC9801221
- Title
- Mahler: Kindertotenlieder: No. 4, Oft denk' ich, sie sind nur ausgegangen
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x8cb7d15993ca8f7d6e203ced4359d7d1639833607883c474327f1bab9e0e9630
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:39786710827321b71c53d42eca72fb7d08233c97cd1bd4e42cb3981f1d7d6fcb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9801221
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Mahler: Kindertotenlieder: No. 4, Oft denk' ich, sie sind nur ausgegangen · Machine-readable JSON-LD