ISRC GBAYC2300945
Verified recording
GBAYC2300945 is “Grünfeld: Soirée de Vienne, Op. 56 (Paraphrase on Waltz Motives from Johann Strauss’ Die Fledermaus)” by Alfred Grünfeld,
registered on the CopyrightChains blockchain with CopyrightID
0xb918ff610401f072ac5689a41065bd876df073bbe5b0080cf93a4c035637e4d9 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2300945.
Recording identifiers
- ISRC
- GBAYC2300945
- Title
- Grünfeld: Soirée de Vienne, Op. 56 (Paraphrase on Waltz Motives from Johann Strauss’ Die Fledermaus)
- Artist
- Alfred Grünfeld
- CopyrightID (CopyrightChains transaction hash)
0xb918ff610401f072ac5689a41065bd876df073bbe5b0080cf93a4c035637e4d9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:2b6b842864c66d2d5008409d11d5db5b94accab3884d80a0ab05946a46243638- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2300945
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Grünfeld: Soirée de Vienne, Op. 56 (Paraphrase on Waltz Motives from Johann Strauss’ Die Fledermaus) · Machine-readable JSON-LD