Passage of Time

Recording by Rachel Portman.

Recording identifiers

ISRC
USSM10019316
CopyrightID (CopyrightChains transaction hash)
0xa9d6355e8f5dbb0df4e9a0cc73e884556372e6fdb30ff6b88286bdf65cd60770
Copyright registration time
2026-06-06T05:48:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:ca195c81594f9affbbf5ec54c2fbec00ff63a6e193d36cbc46c1987de4655dce

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.