Impressions for Piano, No. 3 "The Sanctuary"

Recording by Josef Hofmann.

Recording identifiers

ISRC
GBAJU9600204
CopyrightID (CopyrightChains transaction hash)
0x7187ae0c1ff49af66e8063acc0f0bb6ce62ebdef5225d7e0e857b4b2cd081f1e
Copyright registration time
2026-06-24T10:37:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2734ca1d3b34942b6ebdaf96da03dbd183eae4bcfa4a998070c91ec177da5f28

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.