Once There Was A Time

Recording by Ten Years After.

Recording identifiers

ISRC
USY252283351
CopyrightID (CopyrightChains transaction hash)
0x025fb53199fbd15f19d14041eff48e302f8663a1175fbab88d09b5ad0e3b3d39
Copyright registration time
2026-07-07T08:01:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:949f313ec4d82b4e21e51458a30158b1c92316247934196a668e4354e865876d

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.