From b8f8105af4fa791dafec0b91ca04ccdb16b03434 Mon Sep 17 00:00:00 2001
From: igneum-labs <337424239+igneum-labs@users.noreply.github.com>
Date: Mon, 5 Oct 2026 20:51:38 +0000
Subject: [PATCH] evidence.md: the card-lifetime claim as a designed row under
 the step schedule

---
 docs/evidence.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/evidence.md b/docs/evidence.md
index 89e002fe8..a00304a06 100644
--- a/docs/evidence.md
+++ b/docs/evidence.md
@@ -87,6 +87,7 @@ Versions in the table: `igneum-pow` is the Rust crate at `igneum-pow/Cargo.toml`
 |---|---|---|---|
 | 15 | implemented | implemented, with a live result | the first non-empty shard (block 72704, 29 transfers) proven, verified and paid on the devnet; not every block is proven yet |
 | 21 | designed | tested by the team | 388 shards paid from the pool on the live devnet, the rule in `proving.rs`, the numbers in the bench log |
+| 22 | Card lifetime: a 4 GB card mines about four years and an 8 GB card about twelve, under the dataset's step schedule (2 GB at genesis, doubling at years 4, 12, 28, 60) with the cache freed after the daily build | Litepaper Hardware and vs RandomX ("Dataset" row); homepage Mine card and "Memory" row | designed | `docs/analysis/card-lifetime-2026-10-05.md` (branch card-lifetime 1fecfe2); spec 1.13.3 option (b) recommended to the project lead 5 October 2026 (`docs/plans/counter-asic-2-rollout.md` 6c) | The per-tier working-set arithmetic of that document (GTX 1650, RTX 3050, RTX 3060, RTX 4090 tiers) against the step schedule | A design claim: under the continuous mapping (a) a 4 GB card is out within 1 to 1.5 years and an 8 GB card at 6 to 7.5 years, so the sentence is true only under the step schedule (b), which the spec has not yet fixed (O-1.13) | none yet |
 
 ## What would move a row