Pith Number

pith:5HAEJ4JW

pith:2026:5HAEJ4JWQD4LPLK4P5BDOPWOSB

not attested not anchored not stored refs pending

The Kernel's Write: Application Read-Only Memory

Hui Sub Shim, Katherine Mohr, Philip Levis

arxiv:2606.26138 v1 · 2026-06-18 · cs.AR · cs.OS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5HAEJ4JWQD4LPLK4P5BDOPWOSB}

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	2026-06-26T00:15:27.112583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9c044f13680f8b7ad5c7f42373ece9051ea90e2426bc46312ee2cd0db341e42

Aliases

arxiv: 2606.26138 · arxiv_version: 2606.26138v1 · doi: 10.48550/arxiv.2606.26138 · pith_short_12: 5HAEJ4JWQD4L · pith_short_16: 5HAEJ4JWQD4LPLK4 · pith_short_8: 5HAEJ4JW

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/5HAEJ4JWQD4LPLK4P5BDOPWOSB \
  | 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: e9c044f13680f8b7ad5c7f42373ece9051ea90e2426bc46312ee2cd0db341e42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9db43e23ffc29343670d04b5568acfd0d3fadf20b5f7b77bbb865e1d929bbffc",
    "cross_cats_sorted": [
      "cs.OS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2026-06-18T21:34:47Z",
    "title_canon_sha256": "98e94acbcd9ef2f8635b3c3d3551394bc79e9141063743f2c2a6dd45386e400b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26138",
    "kind": "arxiv",
    "version": 1
  }
}