Flute Quartet in D Major, K. 285: II. Adagio

Recording identifiers

ISRC

CH0041702105

CopyrightID (CopyrightChains transaction hash)

0x5636d4cd93ea3759cb95bc1a0a2c6ae7191cf60a161405da3660c0f3ebb8d471

Copyright registration time

2026-07-30T10:41:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T11:13:28Z

Bitcoin block

960250

Canonical record hash

sha256:03cb627871a8f69c27adc9ab3718b3ec2171e09a173340fab7edf0e8c0fd9eeb

• Verify the CopyrightID on CopyrightChains
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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.