As Time Goes By

Recording by Herman Hupfeld.

Recording identifiers

ISRC
CAA500823512
CopyrightID (CopyrightChains transaction hash)
0x6674689a197f35bb3bf9274eb8502633f0fe4fc173f1eee27a1cbacc4d9742a8
Copyright registration time
2026-06-23T08:04:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:5112f64347569740f5674584d25645cbb17e8e0277ae383bf48f8cc086682d5b

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.