ISRC USSM12006138
Verified recording
USSM12006138 is “Hark! The Herald Angels Sing” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0x56cbedb64b9902f450f3c9cbdc5ed3f9157a5b2ac17e77b85ca0d3a55fb16b94 and independently timestamped
in Bitcoin block 960216 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12006138.
Recording identifiers
- ISRC
- USSM12006138
- Title
- Hark! The Herald Angels Sing
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0x56cbedb64b9902f450f3c9cbdc5ed3f9157a5b2ac17e77b85ca0d3a55fb16b94
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T06:39:12+00:00
- Bitcoin block
- 960216
- Canonical record hash
sha256:3ec86c393becfd4a1a132a4c4da0460fa4b6da003b9f46d84f565e5d0af23011- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM12006138
- Bitcoin block existence check
- https://blockstream.info/api/block/960216
Full record
Track page: Hark! The Herald Angels Sing · Machine-readable JSON-LD