In the Year 2525 (Exordium & Terminus)

Recording by Zager & Evans.

Recording identifiers

ISRC
USRC19901100
CopyrightID (CopyrightChains transaction hash)
0x81a3c3f936f687c1a9a34106ae3bb9bc6f744aa7f2e4c5d8aa7d8fb5cf59cc8d
Copyright registration time
2026-07-06T00:45:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d59dbac964cc12dd99510ec4016aa85912af22b2bd9eaf24efab079c8cc1567c

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.