ISRC TCAGK2281660
Verified recording
TCAGK2281660 is “Now You Know” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0xd26c0a068696539918f79ec93b3a9a15b98157c203b286c6fdcaffdfa3cde165 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGK2281660.
Recording identifiers
- ISRC
- TCAGK2281660
- Title
- Now You Know
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0xd26c0a068696539918f79ec93b3a9a15b98157c203b286c6fdcaffdfa3cde165
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:72d6939feb6c46f03f72df26276b7be64512f22ecf40f9a166bf612f0239efef- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGK2281660
- Bitcoin block existence check
- https://blockstream.info/api/block/957118