String Quartet No. 3, Op. 30: II. Adagio

Recording identifiers

ISRC

SEAEB2167060

CopyrightID (CopyrightChains transaction hash)

0x567d73ff64dedd849b3b6579e6e5d39ba6eea34c2db5a46b0c25181ea0e0b4a1

Copyright registration time

2026-07-31T23:47:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-08-01T00:10:46Z

Bitcoin block

960485

Canonical record hash

sha256:9949cca5cdab481f372a72b2bfe285dc57b19b4ecfd5b566296f66906c8d27fb

• 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.