ISRC GBF079044304

Verified recording

GBF079044304 is “Kammermusik No. 1 with Finale 1921, Op. 24 No. 1 for 12 instruments: 4. Finale 1921: Lebhaft” by Paul Hindemith, registered on the CopyrightChains blockchain with CopyrightID 0x81d82af9208451331637fa2680a20298ebce890aa9374675225c432206796776 and independently timestamped in Bitcoin block 960273 on 2026-07-30. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079044304.

Recording identifiers

ISRC
GBF079044304
Title
Kammermusik No. 1 with Finale 1921, Op. 24 No. 1 for 12 instruments: 4. Finale 1921: Lebhaft
Artist
Paul Hindemith
CopyrightID (CopyrightChains transaction hash)
0x81d82af9208451331637fa2680a20298ebce890aa9374675225c432206796776

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38+00:00
Bitcoin block
960273
Canonical record hash
sha256:2bc2215865f0665a3e460b9173cdd27091547b1420f171b83250070f35ea4e59
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079044304
Bitcoin block existence check
https://blockstream.info/api/block/960273

Full record

Track page: Kammermusik No. 1 with Finale 1921, Op. 24 No. 1 for 12 instruments: 4. Finale 1921: Lebhaft · Machine-readable JSON-LD