3 Pieces for cello and piano: No. 1. Modere

Recording by Nadia Boulanger.

Recording identifiers

ISRC
HKI190953102
CopyrightID (CopyrightChains transaction hash)
0x50ab362bbf2878505b2524c4d1c880f79735defc64382f423588dadfdc7f2fa3
Copyright registration time
2026-06-04T09:18:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:eab2114c0cee9d0c7db56d76b24f0f3a3f2725e5c3ff5032e4cc69dadf322f29

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.