ISRC USUM72116128
Verified recording
USUM72116128 is “Topsy II” by Billy Vaughn,
registered on the CopyrightChains blockchain with CopyrightID
0x3e5d501d293a92fc3f3ec061bfa5de73c9c98ee3702acf33b4048cbc5d1d65c2 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72116128.
Recording identifiers
- ISRC
- USUM72116128
- Title
- Topsy II
- Artist
- Billy Vaughn
- CopyrightID (CopyrightChains transaction hash)
0x3e5d501d293a92fc3f3ec061bfa5de73c9c98ee3702acf33b4048cbc5d1d65c2
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:ea1cf19e24a13dd15a514aa1d49f2acc7b697c4083c0692e2abce61c8b24b3f9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM72116128
- Bitcoin block existence check
- https://blockstream.info/api/block/960418