ISRC USSM17600969
Verified recording
USSM17600969 is “Sleep” by Steppenwolf,
registered on the CopyrightChains blockchain with CopyrightID
0x62dccfe73e1dc8c6e3c797646571aeff3e877dccad713ee95f6a6cbef7d5c44f and independently timestamped
in Bitcoin block 957073 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM17600969.
Recording identifiers
- ISRC
- USSM17600969
- Title
- Sleep
- Artist
- Steppenwolf
- CopyrightID (CopyrightChains transaction hash)
0x62dccfe73e1dc8c6e3c797646571aeff3e877dccad713ee95f6a6cbef7d5c44f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T18:39:05+00:00
- Bitcoin block
- 957073
- Canonical record hash
sha256:e31fd38a28fbe2f60ce251ee0303943855144222e3d4c3e3ada2094e2e9ea2e6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM17600969
- Bitcoin block existence check
- https://blockstream.info/api/block/957073