Bitter Sweet

Recording by Johan Östberg.

Recording identifiers

ISRC
SEPQM0611638
CopyrightID (CopyrightChains transaction hash)
0x814007cd143e22307c9e24cd9e65a509c41294ce257e02a27e259b57409f280f
Copyright registration time
2026-07-07T01:29:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:ce7858b247dc4fbf2a6605b1a2cb1850e348a008241715c4b8e3593a3e880cca

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.