ISRC USX761216208
Verified recording
USX761216208 is “Ach so fromm (from Martha)” by Fritz Wunderlich,
registered on the CopyrightChains blockchain with CopyrightID
0xe3b2cb3522b6a7c7bfba79b04cbfccdd5498015663f4a0ad4fcc13617043fa34 and independently timestamped
in Bitcoin block 960389 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761216208.
Recording identifiers
- ISRC
- USX761216208
- Title
- Ach so fromm (from Martha)
- Artist
- Fritz Wunderlich
- CopyrightID (CopyrightChains transaction hash)
0xe3b2cb3522b6a7c7bfba79b04cbfccdd5498015663f4a0ad4fcc13617043fa34
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T10:20:10+00:00
- Bitcoin block
- 960389
- Canonical record hash
sha256:ef6ab6bb7db95fb94e37c759a7a0ae17510619c610556434be224aea6ccac240- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX761216208
- Bitcoin block existence check
- https://blockstream.info/api/block/960389
Full record
Track page: Ach so fromm (from Martha) · Machine-readable JSON-LD