Carnaval, Op. 9: XI. Chiarina. Passionato

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF057804361
CopyrightID (CopyrightChains transaction hash)
0x89d8904f7731abf0f1dda7bbda5d0948aeb70ceb7a8c472cf5bc8505bdcf905a

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:d9851c30413a8686f65f7f16a6e7bf3fe0c59ad1a7cbb2a18502acec924c512d

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.