ISRC USSM11607764
Verified recording
USSM11607764 is “School Dayz” by Big L,
registered on the CopyrightChains blockchain with CopyrightID
0xd457493e67e9a91a59cdf8833d070da4025f56b4ade6de98b5d1d7fd2608645f and independently timestamped
in Bitcoin block 953515 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11607764.
Recording identifiers
- ISRC
- USSM11607764
- Title
- School Dayz
- Artist
- Big L
- CopyrightID (CopyrightChains transaction hash)
0xd457493e67e9a91a59cdf8833d070da4025f56b4ade6de98b5d1d7fd2608645f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:53:06+00:00
- Bitcoin block
- 953515
- Canonical record hash
sha256:3a022e19fe9240b45b06a3563473991a1dfb2fa7683575b09ccfaa6c63edcf0e- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM11607764
- Bitcoin block existence check
- https://blockstream.info/api/block/953515