ISRC US5UL1107533
Verified recording
US5UL1107533 is “Lament” by Mark Smith,
registered on the CopyrightChains blockchain with CopyrightID
0xe2679565747752e3cd01b3ee0cdd3455082b10dbf252d8084ec6bdb800f2cba6 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/US5UL1107533.
Recording identifiers
- ISRC
- US5UL1107533
- Title
- Lament
- Artist
- Mark Smith
- CopyrightID (CopyrightChains transaction hash)
0xe2679565747752e3cd01b3ee0cdd3455082b10dbf252d8084ec6bdb800f2cba6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:66739c179d73467f3bc6bfb290944ec3f27cb12d6643d12cfe941a4d0f8c8950- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US5UL1107533
- Bitcoin block existence check
- https://blockstream.info/api/block/956304