ISRC TCAGK2279396
Verified recording
TCAGK2279396 is “Opening Doors” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0x4c19378b7f9c838b834f5e6265202354359a571a2e444437653ae01ba1433d75 and independently timestamped
in Bitcoin block 960427 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGK2279396.
Recording identifiers
- ISRC
- TCAGK2279396
- Title
- Opening Doors
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0x4c19378b7f9c838b834f5e6265202354359a571a2e444437653ae01ba1433d75
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:59:18+00:00
- Bitcoin block
- 960427
- Canonical record hash
sha256:f956684603ffc16f841ed6198c0fb6f1b618d231aace5ed61c4e74b22239faa9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGK2279396
- Bitcoin block existence check
- https://blockstream.info/api/block/960427