Autumn Again

Recording by Hugo Alfvén.

Recording identifiers

ISRC
SEBAA1400812
CopyrightID (CopyrightChains transaction hash)
0x5e71eccfda8ae663344e04358f14b40ab9cdf5aea30660263805cb6c64171fb9
Copyright registration time
2026-03-20T05:14:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:cfc2c0d89ef33603a60411fa55c652755a21019102403593c067b31c9d478c13

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.