ISRC ITDQ71485183
Verified recording
ITDQ71485183 is “Porgy and Bess (arr. J. Heifetz): Act I: Summertime - A Woman is a Sometime Thing” by Jascha Heifetz,
registered on the CopyrightChains blockchain with CopyrightID
0xf04a68c40c8e8ccf309548d702040c94e562689cfab2d626b0e1cd32a22b9303 and independently timestamped
in Bitcoin block 960258 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ71485183.
Recording identifiers
- ISRC
- ITDQ71485183
- Title
- Porgy and Bess (arr. J. Heifetz): Act I: Summertime - A Woman is a Sometime Thing
- Artist
- Jascha Heifetz
- CopyrightID (CopyrightChains transaction hash)
0xf04a68c40c8e8ccf309548d702040c94e562689cfab2d626b0e1cd32a22b9303
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T12:45:34+00:00
- Bitcoin block
- 960258
- Canonical record hash
sha256:45a338b868f9bda3b642f7fc85f2b95ed6132d470b77c5e0298db5a9507a7623- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ71485183
- Bitcoin block existence check
- https://blockstream.info/api/block/960258
Full record
Track page: Porgy and Bess (arr. J. Heifetz): Act I: Summertime - A Woman is a Sometime Thing · Machine-readable JSON-LD