ISRC USDY42494724
Verified recording
USDY42494724 is “Spark and Echo” by Mark Lettieri,
registered on the CopyrightChains blockchain with CopyrightID
0x2e28efed755ac21bdfd23ccc1ee01d653cbccf94b1006ad4421c48b5c0fee1ef and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42494724.
Recording identifiers
- ISRC
- USDY42494724
- Title
- Spark and Echo
- Artist
- Mark Lettieri
- CopyrightID (CopyrightChains transaction hash)
0x2e28efed755ac21bdfd23ccc1ee01d653cbccf94b1006ad4421c48b5c0fee1ef
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:b61efd766b14b4b9915a4925985fd5f44ee8bf07cfb8abe0162030a5bc9b7f94- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42494724
- Bitcoin block existence check
- https://blockstream.info/api/block/956302