ISRC TCAGK2281718
Verified recording
TCAGK2281718 is “Flag Song” by Stephen Sondheim,
registered on the CopyrightChains blockchain with CopyrightID
0x4fff9a638975abf209a0e79b44de5f91c5f9bd77f0e972dfc07fb37a1027669e and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGK2281718.
Recording identifiers
- ISRC
- TCAGK2281718
- Title
- Flag Song
- Artist
- Stephen Sondheim
- CopyrightID (CopyrightChains transaction hash)
0x4fff9a638975abf209a0e79b44de5f91c5f9bd77f0e972dfc07fb37a1027669e
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:7f7d1418ff0204fd271303564ce2c1d2bcf323ce6e8beb26ae3267e22f764f3d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAGK2281718
- Bitcoin block existence check
- https://blockstream.info/api/block/960368