ISRC DEF056531226
Verified recording
DEF056531226 is “Pagliacci, Act II: O Columbina, il tenero fido – Di fare il segno” by Ruggero Leoncavallo,
registered on the CopyrightChains blockchain with CopyrightID
0x624fe4166e62db83b6ab6f891f1332b900c30e66f802bd1317ce341f3f2ee618 and independently timestamped
in Bitcoin block 957120 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056531226.
Recording identifiers
- ISRC
- DEF056531226
- Title
- Pagliacci, Act II: O Columbina, il tenero fido – Di fare il segno
- Artist
- Ruggero Leoncavallo
- CopyrightID (CopyrightChains transaction hash)
0x624fe4166e62db83b6ab6f891f1332b900c30e66f802bd1317ce341f3f2ee618
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:22:41+00:00
- Bitcoin block
- 957120
- Canonical record hash
sha256:ea7c5a999866229b6b05b0cdb332f0f6f5aa8eb4bee3b7817926342e32f861ef- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056531226
- Bitcoin block existence check
- https://blockstream.info/api/block/957120
Full record
Track page: Pagliacci, Act II: O Columbina, il tenero fido – Di fare il segno · Machine-readable JSON-LD