ISRC HUA253167818
Verified recording
HUA253167818 is “Porgy and Bess (arr. J. Heifetz): Act 1: Summertime” by Jascha Heifetz,
registered on the CopyrightChains blockchain with CopyrightID
0xe210f557c9314b95bbe0a6447f0ba5de2527fa29a0b04b7ef8e3a59210109977 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA253167818.
Recording identifiers
- ISRC
- HUA253167818
- Title
- Porgy and Bess (arr. J. Heifetz): Act 1: Summertime
- Artist
- Jascha Heifetz
- CopyrightID (CopyrightChains transaction hash)
0xe210f557c9314b95bbe0a6447f0ba5de2527fa29a0b04b7ef8e3a59210109977
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:66be612a2b415944569af6edbb7eb8746d5e42e975309a9deaca0a902e1886cc- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HUA253167818
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Porgy and Bess (arr. J. Heifetz): Act 1: Summertime · Machine-readable JSON-LD