Spinning Song, Op. 55, No. 1

Recording by David Popper.

Recording identifiers

ISRC
USASX0506517
CopyrightID (CopyrightChains transaction hash)
0xfa7a29ecfe3bca59f2db40c7e35d671b5e4939c33e1125266489dd7f4e5517db
Copyright registration time
2026-07-07T12:10:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8a3ab796c634506043b793d6e10b930810eb0bca850d8895667ec5c7275f4053

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.