Pith Number

pith:5XT4MF5M

pith:2026:5XT4MF5MWVAZUVXNWDMYODVL2Q

not attested not anchored not stored refs pending

PROJECTMEM: A Local-First, Event-Sourced Memory and Judgment Layer for AI Coding Agents

Ripon Chandra Malo, Tong Qiu

arxiv:2606.12329 v1 · 2026-06-10 · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5XT4MF5MWVAZUVXNWDMYODVL2Q}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-11T01:11:02.103613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ede7c617acb5419a56edb0d9870eabd431d2bf463ecaf7f0ec8fcc7dcf716d74

Aliases

arxiv: 2606.12329 · arxiv_version: 2606.12329v1 · doi: 10.48550/arxiv.2606.12329 · pith_short_12: 5XT4MF5MWVAZ · pith_short_16: 5XT4MF5MWVAZUVXN · pith_short_8: 5XT4MF5M

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5XT4MF5MWVAZUVXNWDMYODVL2Q \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ede7c617acb5419a56edb0d9870eabd431d2bf463ecaf7f0ec8fcc7dcf716d74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03b1a6518b471c8cfa0ba5cf85ae859cc81c0cab0cedd6bfbc94ef855ff55e7e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-10T17:02:56Z",
    "title_canon_sha256": "ff1d0db8a63b600b89f86dc3e875d17121e1e0660eb919d64f4526c34ea15657"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.12329",
    "kind": "arxiv",
    "version": 1
  }
}