ISRC US2640770307
Verified recording
US2640770307 is “Jim's Polish” by Harvey Milk,
registered on the CopyrightChains blockchain with CopyrightID
0x6b1d4c2c602dba30a31bbe4bc498cf92f11f04f91c70412e119d939e4ca9a47f and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2640770307.
Recording identifiers
- ISRC
- US2640770307
- Title
- Jim's Polish
- Artist
- Harvey Milk
- CopyrightID (CopyrightChains transaction hash)
0x6b1d4c2c602dba30a31bbe4bc498cf92f11f04f91c70412e119d939e4ca9a47f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:d42285e20d39ce9288c4e1ea2b0a61f182baa5f4e8fd572084b8fedc53717966- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2640770307
- Bitcoin block existence check
- https://blockstream.info/api/block/960207