Carnaval, Op. 9: XI. Chiarina. Passionato

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF057804361
CopyrightID (CopyrightChains transaction hash)
0x89d8904f7731abf0f1dda7bbda5d0948aeb70ceb7a8c472cf5bc8505bdcf905a
Copyright registration time
2026-07-30T01:55:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T02:21:55Z
Bitcoin block
960198
Canonical record hash
sha256:de22545e9a316d1655034e7e13d1f0833d787c87c17e8f2738d6b9303853129c

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.