A Dream, Op. 8 No. 5

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
NLA509005606
CopyrightID (CopyrightChains transaction hash)
0xe92f4f13ed303424fca1d7a7c7447ad64e2a2cca3b97594a06c36e9b82741b2d
Copyright registration time
2026-07-07T22:36:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ac56ada1a08cccf28b4f13a794f86d4b831272afaf39a5c01c7760c66f1fef72

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.