ISRC QMBZ91533283
Verified recording
QMBZ91533283 is “Hark the Herald Angels Sing” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0x98e29c6dfcd3ce6d1a27b66794f14da5180edeefa0ab45b64fcde16f62ee58cd and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91533283.
Recording identifiers
- ISRC
- QMBZ91533283
- Title
- Hark the Herald Angels Sing
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0x98e29c6dfcd3ce6d1a27b66794f14da5180edeefa0ab45b64fcde16f62ee58cd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:9819d1e2114f1ba5bcb8f90df6ae92f6d1ec880f05f4224bc638b6768d1144fb- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91533283
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Hark the Herald Angels Sing · Machine-readable JSON-LD