Passage of Time

Recording by William Ogmundson.

Recording identifiers

ISRC
QM5HH1900029
CopyrightID (CopyrightChains transaction hash)
0x9f691bdcab42acc4ff4685c9623889cdef947192ab32ff6444399341df1e0cd5
Copyright registration time
2026-06-11T15:39:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:2c619d192eeee42fc301b66b63393f7cea2ff592a6265f35c9d1112f8ed44a82

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.