ISRC GBAYC2200144
Verified recording
GBAYC2200144 is “Karłowicz: 10 Songs, Op. 3: No. 6, Przed nocą wieczną” by Mieczysław Karłowicz,
registered on the CopyrightChains blockchain with CopyrightID
0xe6346937ffa0a91d1c333b53b2bdb4a85fcc88d4468ad981284f3dcfa1d93878 and independently timestamped
in Bitcoin block 960441 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2200144.
Recording identifiers
- ISRC
- GBAYC2200144
- Title
- Karłowicz: 10 Songs, Op. 3: No. 6, Przed nocą wieczną
- Artist
- Mieczysław Karłowicz
- CopyrightID (CopyrightChains transaction hash)
0xe6346937ffa0a91d1c333b53b2bdb4a85fcc88d4468ad981284f3dcfa1d93878
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:dd37d67b167b5e838451b39a821a01c47b97d25b7f51bb9b01eb90875c76a75c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2200144
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Karłowicz: 10 Songs, Op. 3: No. 6, Przed nocą wieczną · Machine-readable JSON-LD