Au Revoir But Not Good Bye (Pro WW1 Song) [Recorded 1917]

Recording identifiers

ISRC

USDHM1420640

Release date of the album this recording appears on

2014-09-15

CopyrightID (CopyrightChains transaction hash)

0x1f93886597b0c3bac22bfa4ec29ea3e8be012b5914cd45a6aa237aa3d11454ab

Copyright registration time

2026-06-23T20:13:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-02T03:55:08Z

Bitcoin block

956304

Canonical record hash

sha256:4fbd7f7265067f833a624656753ef22e37e80ea8e94c6a42de4f07cd1130905b

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC USDHM1420640

What this proof establishes

This recording was released in 2014, 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.