Portmanteau

Recording by Ambivalent.

Recording identifiers

ISRC
GBUR61700101
CopyrightID (CopyrightChains transaction hash)
0x65274b35f8820998c5de5e6184b2f8c5b819c3629438924b5d9921e36c84f19f
Copyright registration time
2026-07-07T03:26:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:8b834f6cd3d5db794fa5a91697cf2dd4145a57254df1f1daeb61d70daf0c3b25

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.