ISRC USFM91800220
Verified recording
USFM91800220 is “Sacrifice” by Nathan Barr,
registered on the CopyrightChains blockchain with CopyrightID
0xb4c3cb9f9ff0cba28f2a9bd1a8d4875d12d8d805a2a8e7a05768b55b779457c4 and independently timestamped
in Bitcoin block 960241 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFM91800220.
Recording identifiers
- ISRC
- USFM91800220
- Title
- Sacrifice
- Artist
- Nathan Barr
- CopyrightID (CopyrightChains transaction hash)
0xb4c3cb9f9ff0cba28f2a9bd1a8d4875d12d8d805a2a8e7a05768b55b779457c4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:58:01+00:00
- Bitcoin block
- 960241
- Canonical record hash
sha256:6cfab51bd7265dd740327028a223b2f8c135a96a50adb2c1c3f22bfdf7d2d5a7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFM91800220
- Bitcoin block existence check
- https://blockstream.info/api/block/960241