ISRC USA370687360
Verified recording
USA370687360 is “Festgesang, MWV D4, "Gutenberg-Kantate": No. 2. (adap. W.H. Cummings as Hark! The Herald Angels Sing)” by Felix Mendelssohn,
registered on the CopyrightChains blockchain with CopyrightID
0x8a7510cc7be73ea6e448135953122cdd0051a634d732c077f41dc708de5fe0c5 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370687360.
Recording identifiers
- ISRC
- USA370687360
- Title
- Festgesang, MWV D4, "Gutenberg-Kantate": No. 2. (adap. W.H. Cummings as Hark! The Herald Angels Sing)
- Artist
- Felix Mendelssohn
- CopyrightID (CopyrightChains transaction hash)
0x8a7510cc7be73ea6e448135953122cdd0051a634d732c077f41dc708de5fe0c5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f0345438da7147e4726e3b55d07dd97729ef3c852b583b4925b77a23201cd790- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370687360
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Festgesang, MWV D4, "Gutenberg-Kantate": No. 2. (adap. W.H. Cummings as Hark! The Herald Angels Sing) · Machine-readable JSON-LD