Yesterday

Recording by Classic Concert Orchestra.

Recording identifiers

ISRC
DETV11500317
CopyrightID (CopyrightChains transaction hash)
0xbeff2b6f649ecbe6a20d0c6106d7f7a46216500fb73825fce3dfec3e94e2f223
Copyright registration time
2026-07-06T10:27:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T23:26:57Z
Bitcoin block
957055
Canonical record hash
sha256:87f36598d94fbd474b3af787f0e5ea8575101a9f78fb5808ec5f9f4f21417a3c

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. 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.