Bach Aria

Recording by Albert Sonstag.

Recording identifiers

ISRC
SE5IB1600185
CopyrightID (CopyrightChains transaction hash)
0x58583b426e38a00311f7357c7bb65ceeabadf71e3a5f0c87fb63d7bce0419c09
Copyright registration time
2026-06-21T03:46:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-21T16:57:20Z
Bitcoin block
957075
Canonical record hash
sha256:deddf42e12bdced490309fe4d7aa9dc74eebe54678f059b79a207d7090e7e32a

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.