ISRC USNA18711646
Verified recording
USNA18711646 is “Cottonwood” by David Lanz,
registered on the CopyrightChains blockchain with CopyrightID
0x84a886b96ea319731b66da62db335a678ab63cd19d76cdebc169ebd1798d904a and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNA18711646.
Recording identifiers
- ISRC
- USNA18711646
- Title
- Cottonwood
- Artist
- David Lanz
- CopyrightID (CopyrightChains transaction hash)
0x84a886b96ea319731b66da62db335a678ab63cd19d76cdebc169ebd1798d904a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:4169a35629dcc231c17a2d4771c66edcefd8d36e86103922bd7395c82baf24fa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USNA18711646
- Bitcoin block existence check
- https://blockstream.info/api/block/956304