Pith Number

pith:4G2BIBU4

pith:2024:4G2BIBU4ITYNLESX6K3NQAAYPO

not attested not anchored not stored refs pending

A Nominal Approach to Probabilistic Separation Logic

Amal Ahmed, John M. Li, Jon Aytac, Philip Johnson-Freyd, Steven Holtzen

arxiv:2405.06826 v2 · 2024-05-10 · cs.PL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4G2BIBU4ITYNLESX6K3NQAAYPO}

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	2026-07-05T08:24:24.797392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1b414069c44f0d59257f2b6d800187bbd2936814d324de76c4b35755cdad08e

Aliases

arxiv: 2405.06826 · arxiv_version: 2405.06826v2 · doi: 10.48550/arxiv.2405.06826 · pith_short_12: 4G2BIBU4ITYN · pith_short_16: 4G2BIBU4ITYNLESX · pith_short_8: 4G2BIBU4

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/4G2BIBU4ITYNLESX6K3NQAAYPO \
  | 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: e1b414069c44f0d59257f2b6d800187bbd2936814d324de76c4b35755cdad08e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cace850d6d71999c8f26d23eea219c25557e7586bcb9b0abddc0372a57d63ce",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2024-05-10T21:56:04Z",
    "title_canon_sha256": "23eeedaa62e68638507327e89e5a1869d858399740bbc65b6d65a4ae7f704fcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.06826",
    "kind": "arxiv",
    "version": 2
  }
}