Tender

Recording by Hugo Alfvén.

Recording identifiers

ISRC
SEBAA1400814
CopyrightID (CopyrightChains transaction hash)
0x8c2fb5c0dba518d0179e2c6a3e41c1593a25abf2d2e7203b78fb95bb73df5b16
Copyright registration time
2026-03-20T04:55:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:7048263052f7a2850baac717bc222448e9e36b83119f606333fca522d6e624c0

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.