ISRC USIR20300096
Verified recording
USIR20300096 is “It Was Written Down” by Toots & The Maytals,
registered on the CopyrightChains blockchain with CopyrightID
0x5b2b10e7f7ae225dad1fc3c3d22526aae6b5c3cc27c223a115c7a070a058d14b 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/USIR20300096.
Recording identifiers
- ISRC
- USIR20300096
- Title
- It Was Written Down
- Artist
- Toots & The Maytals
- CopyrightID (CopyrightChains transaction hash)
0x5b2b10e7f7ae225dad1fc3c3d22526aae6b5c3cc27c223a115c7a070a058d14b
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:727142774b483dad76aeb094a6961ad09a445b32fff063b87c595cb7c87128c0- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USIR20300096
- Bitcoin block existence check
- https://blockstream.info/api/block/956304