Bruckner Etude

Recording by Enrique Crespo.

Recording identifiers

ISRC
DET901329406
CopyrightID (CopyrightChains transaction hash)
0x70dec37293e43b252f7da01b3b2d465de00248b5826120e504118e1c6d2407e2
Copyright registration time
2026-07-07T12:02:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2c1602d479652000d2728d99b8cc98b35e05731c5c28ce040caab274574b2bb5

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.