ISRC GBLLH1230011
Verified recording
GBLLH1230011 is “Elijah, Op. 70: "What Have I to Do With Thee" (Duet)” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0x7ee36ca440cc9696fb7f9764452a23522fdc43c3791468d0538b4d9052134c1b and independently timestamped
in Bitcoin block 960291 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1230011.
Recording identifiers
- ISRC
- GBLLH1230011
- Title
- Elijah, Op. 70: "What Have I to Do With Thee" (Duet)
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0x7ee36ca440cc9696fb7f9764452a23522fdc43c3791468d0538b4d9052134c1b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:23:33+00:00
- Bitcoin block
- 960291
- Canonical record hash
sha256:a7ca2fb13e2f069cee83c6a0b6590024e27a3aea78dc5f93aec249dea79d98b8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLLH1230011
- Bitcoin block existence check
- https://blockstream.info/api/block/960291
Full record
Track page: Elijah, Op. 70: "What Have I to Do With Thee" (Duet) · Machine-readable JSON-LD