Chamber Symphony No. 1, Op. 9 - Arr. Anton Webern: Viel langsamer (77)

Recording identifiers

ISRC

DEF057800084

Release date of the album this recording appears on

1980-01-15

CopyrightID (CopyrightChains transaction hash)

0x41f74625ba0c2ab122f51f41a01bd2562a0c5662a8bf57eef536dc5cb310ecc6

Copyright registration time

2026-07-31T09:36:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T09:50:11Z

Bitcoin block

960381

Canonical record hash

sha256:2a1d5940043884159cb4f68a2dc3200c5ccd359a0ab4e24dbd2a200c23cf8a89

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC DEF057800084

What this proof establishes

This recording was released in 1980, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.