The Gipsy Baron - Entry March, Op. 327

Recording by Johann Strauss II.

Recording identifiers

ISRC
USSJ10817407
CopyrightID (CopyrightChains transaction hash)
0x369fe65cc7f50956cdf8624b9d17fab29a8b5be2c6b517093db5c47506d23c9d
Copyright registration time
2026-06-20T22:47:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:b1e2652095dfc88067fc808356df04e3928f89809aaa32b8fa0332c65959a85b

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.