ISRC DEAF70916276
Verified recording
DEAF70916276 is “Hard to Say I'm Sorry - as made famous by Chicago” by John Delano,
registered on the CopyrightChains blockchain with CopyrightID
0x06c48c6e1a17d54796af1fbd67dcf69ba5ecbc9c03e98c1b5de2931afdd4c674 and independently timestamped
in Bitcoin block 957039 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAF70916276.
Recording identifiers
- ISRC
- DEAF70916276
- Title
- Hard to Say I'm Sorry - as made famous by Chicago
- Artist
- John Delano
- CopyrightID (CopyrightChains transaction hash)
0x06c48c6e1a17d54796af1fbd67dcf69ba5ecbc9c03e98c1b5de2931afdd4c674
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T12:58:18+00:00
- Bitcoin block
- 957039
- Canonical record hash
sha256:8975ac46694a17225a425cc1a1e81fe4f18361ec9fe5b5edd56da8b0b55c65e6- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAF70916276
- Bitcoin block existence check
- https://blockstream.info/api/block/957039
Full record
Track page: Hard to Say I'm Sorry - as made famous by Chicago · Machine-readable JSON-LD