Postpostscriptum

Recording by Vladimir Martynov.

Recording identifiers

ISRC
TCACF1515176
CopyrightID (CopyrightChains transaction hash)
0x98627e7e4d2dcc6f9117ac8f283e0381e6b3615ba50e927fb63d49efff5debf6
Copyright registration time
2026-07-07T19:33:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:e7ed3fc2bd1b6089c7613d111d994739028f234bd53dcbd3466f0da4e4cbaa94

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.