ISRC GBAYC2200145
Verified recording
GBAYC2200145 is “Karłowicz: 10 Songs, Op. 3: No. 5, Śpi w blaskach nocy morska toń” by Mieczysław Karłowicz,
registered on the CopyrightChains blockchain with CopyrightID
0x8bd884d6c09a2d085809d8a271afde1bd8430717ca9eea03a19efa64c3b571a0 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/GBAYC2200145.
Recording identifiers
- ISRC
- GBAYC2200145
- Title
- Karłowicz: 10 Songs, Op. 3: No. 5, Śpi w blaskach nocy morska toń
- Artist
- Mieczysław Karłowicz
- CopyrightID (CopyrightChains transaction hash)
0x8bd884d6c09a2d085809d8a271afde1bd8430717ca9eea03a19efa64c3b571a0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T17:29:52+00:00
- Bitcoin block
- 960441
- Canonical record hash
sha256:ecfd3b7febded27c0ce365432d598bdc14242d2da3179b982ce8a544f9f377fa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2200145
- Bitcoin block existence check
- https://blockstream.info/api/block/960441
Full record
Track page: Karłowicz: 10 Songs, Op. 3: No. 5, Śpi w blaskach nocy morska toń · Machine-readable JSON-LD