ISRC US3DF2403217

Verified recording

US3DF2403217 is “Crosswords” by CMJ, registered on the CopyrightChains blockchain with CopyrightID 0x2122f4595e471fc4dd5ae9ab5eede1e23aee20180ff9cf7e42c3646dd2c2baf6 and independently timestamped in Bitcoin block 953515 on 2026-06-13. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2403217.

Recording identifiers

ISRC
US3DF2403217
Title
Crosswords
Artist
CMJ
CopyrightID (CopyrightChains transaction hash)
0x2122f4595e471fc4dd5ae9ab5eede1e23aee20180ff9cf7e42c3646dd2c2baf6

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06+00:00
Bitcoin block
953515
Canonical record hash
sha256:80bfd2bce60396e98d8203d71914e188f579d924419aae340da07c0853965534
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US3DF2403217
Bitcoin block existence check
https://blockstream.info/api/block/953515

Full record

Track page: Crosswords · Machine-readable JSON-LD