ISRC USNO11400298
Verified recording
USNO11400298 is “Groundhog Variations” by Sam Amidon,
registered on the CopyrightChains blockchain with CopyrightID
0x102ea810f1b4e969bd066d33c48b126015347c205f1d99329fb22c533d8b999e and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO11400298.
Recording identifiers
- ISRC
- USNO11400298
- Title
- Groundhog Variations
- Artist
- Sam Amidon
- CopyrightID (CopyrightChains transaction hash)
0x102ea810f1b4e969bd066d33c48b126015347c205f1d99329fb22c533d8b999e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:4926eab2bfdd419b08f7919c30589c49c3290be46021594e92b18b843eb91280- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNO11400298
- Bitcoin block existence check
- https://blockstream.info/api/block/957118