Postlude in D

Recording by Henry Thomas Smart.

Recording identifiers

ISRC
GBACX9871003
CopyrightID (CopyrightChains transaction hash)
0x672343bea886843f4a16f79d1cc0f6f7e0da6bedcbd4eb219f377095039a3441
Copyright registration time
2026-07-06T07:00:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:6af61c82d818fb66e144e835a5a7252654330ce0aed2efc71509495f231b91ad

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.