OBLIGATION

Recording by Xavier Wulf.

Recording identifiers

ISRC
USUYG1346407
CopyrightID (CopyrightChains transaction hash)
0x61baf7ba7c09f67073a0deb863b9d4ae922d897d62ad22fa2fbe2bb249422f73
Copyright registration time
2026-06-09T19:39:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:7177da3fabdf16946a28482b5273d11b90bb7ef855b8d7779916d8f6148ffb03

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.