ISRC FRZ130600190
Verified recording
FRZ130600190 is “Die Zwei Blauen Augen” by Gustav Mahler,
registered on the CopyrightChains blockchain with CopyrightID
0x9a77e46cd2b5fa7c2d19c57fce2182d16cb1c344331a4dde4eb89f87edf61e3c and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130600190.
Recording identifiers
- ISRC
- FRZ130600190
- Title
- Die Zwei Blauen Augen
- Artist
- Gustav Mahler
- CopyrightID (CopyrightChains transaction hash)
0x9a77e46cd2b5fa7c2d19c57fce2182d16cb1c344331a4dde4eb89f87edf61e3c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:7d44c83c7e88d0b68753eda2caad3ac799eba9f199fbb050ee8e6190ba5c5dfb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130600190
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Die Zwei Blauen Augen · Machine-readable JSON-LD