Adagio & Allegro, Op. 70: Adagio

Recording by Robert Schumann.

Recording identifiers

ISRC
NLB152100536
CopyrightID (CopyrightChains transaction hash)
0x31cd88abf81ab8a6fd0259d888ff2ffdb3082d5851a1b6bb31fc5fe2a090ff5e
Copyright registration time
2026-07-07T00:23:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:9674493034f0ac60fd84464d80325724faa441bf0a29becbd0b98d3ee63dba03

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.