https://chipcie.wisv.ch/archive/1990/nwercpc/ERP90.pdf

source a8a706d4d924 · match key chipcie.wisv.ch/archive/1990/nwercpc/erp90.pdf · all sources

live: https://chipcie.wisv.ch/archive/1990/nwercpc/ERP90.pdf
wayback: calendar of snapshots
roles: problem set
health: live checked 2026-11-03 — snapshot similarity 1.00
live: the address still serves the contest-era content (identical or ≥75% similar to the near-contest snapshot, or mentions the contest year)
referenced by: erc-1990 problem set

Snapshots (2)

One entry per time this address is known at: Wayback snapshots we captured, our live fetches, and times the catalogue declares (as_of) without a capture. Each capture is our stored copy, with its provenance.

2024-04-13 17:08 wayback held a8a706d4d924@20240413170859

wayback: snapshot nearest 2024-04-13 17:08
artifacts: problemset

contest	artifact	fetched	via	fetched from	type	size	sha256	path	links
erc-1990	problemset	2026-11-02 05:22	wayback	https://web.archive.org/web/20240413170859id_/https://chipcie.wisv.ch/archive/1990/nwercp…	application/pdf	1048576	`46240c3640699eeb`	erc/erc-1990/problemset/20240413-wayback-3b8d3c07/ERP90.pdf	raw

2026-11-02 05:22 live held a8a706d4d924@20261102052249

wayback: snapshot nearest 2026-11-02 05:22
artifacts: problemset

contest	artifact	fetched	via	fetched from	type	size	sha256	path	links
erc-1990	problemset	2026-11-02 05:22	live	https://chipcie.wisv.ch/archive/1990/nwercpc/ERP90.pdf	application/pdf	12122664	`dd59f69f1681cf52`	erc/erc-1990/problemset/20261101-live-448d2999/ERP90.pdf	raw

Checks (2)

Every time this address was looked at and what came back. A check that found no content is a record of the attempt, not a snapshot.

when	via	outcome	evidence
2026-11-02	live	content	live: snapshot similarity 1.00
2026-11-03	live	content	live: snapshot similarity 1.00