Porpora: Cello Concerto in G Major: II. Largo

Recording identifiers

ISRC

GBAYC1702156

Release date of the album this recording appears on

2017-10-27

CopyrightID (CopyrightChains transaction hash)

0x694df65ffa50591cc60a2cac3566ba4f86b8dda7b6355aca462a1815a0d3f456

Copyright registration time

2026-07-30T05:14:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T05:43:45Z

Bitcoin block

960212

Canonical record hash

sha256:99e58317026cb7ec8c2625a480c6b67ddd28b9a77c01a03e6e84f4dbded3d721

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC GBAYC1702156

What this proof establishes

This recording was released in 2017, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.