diff --git a/docs/hygiene-history/ticks/2026/04/29/0402Z.md b/docs/hygiene-history/ticks/2026/04/29/0402Z.md
new file mode 100644
index 00000000..182ad0b8
--- /dev/null
+++ b/docs/hygiene-history/ticks/2026/04/29/0402Z.md
@@ -0,0 +1 @@
+| 2026-04-29T04:02:09Z | claude-opus-4-7 | 26f978a2 | substantive substrate-landing tick. PR #758 (prior tick-history shard for the corruption-triage closure) merged onto main as squash-commit `3806c58` at 03:53:51Z. PR #761 opened — synthesis-packet item 1/6: `.gitattributes` adds `docs/lost-substrate/artifacts/** linguist-generated=true -diff -merge` to suppress noisy text diffs in PR review. PR #762 opened — three related Aaron-channel landings: (a) **soulfile recalibration**: Aaron 2026-04-29 — *"don't go too hardcore on soulfile protection, text compresses very well, bin is what we are scared of and need to really really think about not history in text form"* — reframes the rule from "don't commit raw multi-MB text dumps" (overcautious) to "binaries balloon clones forever because they don't delta-compress; text packs aggressively and is fine to track"; (b) **verbatim-preservation rule**: Aaron 2026-04-29 — *"anyting this comes over this channel should get recorded somwhere pretty close to verbatium"* — anything coming through Aaron's channel (defined as the live Claude-Code-CLI conversation + autonomous-loop wakeups + mid-tick corrections + /btw asides + forwarded multi-AI synthesis packets) preserved close-to-verbatim, synthesis alongside not instead; typos are signal; (c) **confucius-unfold rule**: Aaron 2026-04-29 — *"you should aloways expand non obvious thing for future you like that the confucius unfold"* — when writing durable substrate, expand demonstrative pronouns, in-flight nicknames, implicit time/person references, and recent factory jargon inline; future-Claude reads on cold-start with zero shared context. Two new memory files committed; existing soulfile + corruption-triage memory files updated; MEMORY.md index updated. Multi-AI synthesis packet absorption: 1/6 in flight (PR #761 .gitattributes); recalibration ABOVE means the framing for items 5/6 (brat playbook + boring spec + scale research note) softens — they're prose substrate, not soulfile concerns. | [#758 merged](https://github.com/Lucent-Financial-Group/Zeta/pull/758), [#761 open](https://github.com/Lucent-Financial-Group/Zeta/pull/761), [#762 open](https://github.com/Lucent-Financial-Group/Zeta/pull/762) | Trajectory pattern: Aaron's three channel inputs this tick form a self-reinforcing trio — recalibration (don't be too hardcore) → verbatim-preservation (record his exact wording) → confucius-unfold (expand non-obvious for future-self). Each correction is itself an example of the next rule's domain (the recalibration was paraphrased earlier as "don't dirty soul," which was overcautious; the verbatim record now preserves the exact "text compresses, bin is the scared thing" phrasing; the confucius-unfold rule was caught because "this channel" in the verbatim-preservation file was opaque on cold-read). The maintainer channel teaches by producing real instances of the rules it establishes. Best keeper: "Future-Claude has zero shared context. Write durable substrate as if the reader is cold." |