Waltz (from Suite of Three Pieces, Op. 116)

Recording identifiers

ISRC

USBC17500224

Release date of the album this recording appears on

1976

CopyrightID (CopyrightChains transaction hash)

0xa8da251f210264f5344254ad12f4a456a7d4b0ace0685a98d74f1f717fa63082

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-30T19:11:09Z

Bitcoin block

960296

Canonical record hash

sha256:b5d7928a4d0fd2193e041c704c8f1ac0d6771fe0cd747f07f64cffc0b4ec0653

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC USBC17500224

What this proof establishes

This recording was released in 1976, 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.