ISRC USUM71925243
Verified recording
USUM71925243 is “Summertime” by Peggy Lee,
registered on the CopyrightChains blockchain with CopyrightID
0xcef9e0befa8ccf9abeb1b53ee0d361977bb0ec6f2b83dce19252c8f7fb544c5f and independently timestamped
in Bitcoin block 957055 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71925243.
Recording identifiers
- ISRC
- USUM71925243
- Title
- Summertime
- Artist
- Peggy Lee
- CopyrightID (CopyrightChains transaction hash)
0xcef9e0befa8ccf9abeb1b53ee0d361977bb0ec6f2b83dce19252c8f7fb544c5f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T15:12:44+00:00
- Bitcoin block
- 957055
- Canonical record hash
sha256:e4b0b4e1eeaf75af0aaa02af7e2975946c88ec226a85516a25a1dd49f69bbcbf- Verification API (seven-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUM71925243
- Bitcoin block existence check
- https://blockstream.info/api/block/957055