ISRC USNLR2200370
Verified recording
USNLR2200370 is “Grandmother's Equation” by Marc Streitenfeld,
registered on the CopyrightChains blockchain with CopyrightID
0x8cd8cf1f32711d39cc83e0c74ff48b6549e2eaf6f3addda3e709c2b52becfefd and independently timestamped
in Bitcoin block 960468 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNLR2200370.
Recording identifiers
- ISRC
- USNLR2200370
- Title
- Grandmother's Equation
- Artist
- Marc Streitenfeld
- CopyrightID (CopyrightChains transaction hash)
0x8cd8cf1f32711d39cc83e0c74ff48b6549e2eaf6f3addda3e709c2b52becfefd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T21:25:57+00:00
- Bitcoin block
- 960468
- Canonical record hash
sha256:bdb452ebe3248c79b58d0e65e35460afc5ed30fae9a26d8809ae2351b613bda3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNLR2200370
- Bitcoin block existence check
- https://blockstream.info/api/block/960468
Full record
Track page: Grandmother's Equation · Machine-readable JSON-LD