Sinfonia in B Major: II. Lento

Recording by Johan Helmich Roman.

Recording identifiers

ISRC
SEBAC9417280
CopyrightID (CopyrightChains transaction hash)
0x7019919a4c8cab09cd00a56a5026040a94cd9f3494e32aa9d7d712f1c327e70e
Copyright registration time
2026-01-28T20:42:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:9afcd5e3bf3d433cd4d97fc513cb53c0f10b963106a0ce1766c627452ec0b691

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.