ISRC CAU112200337
Verified recording
CAU112200337 is “Polyanna” by Sponge,
registered on the CopyrightChains blockchain with CopyrightID
0xe4644a02e83ba39a9ef09ef2b16c6cc89e36f61641a3fe18153e9956e5d0423c 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/CAU112200337.
Recording identifiers
- ISRC
- CAU112200337
- Title
- Polyanna
- Artist
- Sponge
- CopyrightID (CopyrightChains transaction hash)
0xe4644a02e83ba39a9ef09ef2b16c6cc89e36f61641a3fe18153e9956e5d0423c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:ec610c998e9512f3b5465b9727b7544b29ef758b1d0c7f22ef98f097afeb9119- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CAU112200337
- Bitcoin block existence check
- https://blockstream.info/api/block/956304