ISRC USSM11203199
Verified recording
USSM11203199 is “Engineers” by Marc Streitenfeld,
registered on the CopyrightChains blockchain with CopyrightID
0x28923ba779939bc501c15fef94ef20c70c1ad0231676d8d13a0e91ea8b50e21c and independently timestamped
in Bitcoin block 953520 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11203199.
Recording identifiers
- ISRC
- USSM11203199
- Title
- Engineers
- Artist
- Marc Streitenfeld
- CopyrightID (CopyrightChains transaction hash)
0x28923ba779939bc501c15fef94ef20c70c1ad0231676d8d13a0e91ea8b50e21c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T13:32:09+00:00
- Bitcoin block
- 953520
- Canonical record hash
sha256:766803ed9112a4287d22b48a97521af2142127bd6dff15f487ad543b5fc52bf9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11203199
- Bitcoin block existence check
- https://blockstream.info/api/block/953520