Pith Number

pith:FPCVJWL7

pith:2019:FPCVJWL7RSKY2Q4KUXV6NEPUOV

not attested not anchored not stored refs pending

Local Reasoning for Parameterized First Order Protocols

Arie Gurfinkel, Richard Trefler, Rylo Ashmore

arxiv:1903.03218 v1 · 2019-03-07 · cs.LO · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FPCVJWL7RSKY2Q4KUXV6NEPUOV}

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	2026-05-17T23:51:46.131165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bc554d97f8c958d438aa5ebe691f47558f911bef73ca2d3eb59679dda6d078c

Aliases

arxiv: 1903.03218 · arxiv_version: 1903.03218v1 · doi: 10.48550/arxiv.1903.03218 · pith_short_12: FPCVJWL7RSKY · pith_short_16: FPCVJWL7RSKY2Q4K · pith_short_8: FPCVJWL7

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/FPCVJWL7RSKY2Q4KUXV6NEPUOV \
  | 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: 2bc554d97f8c958d438aa5ebe691f47558f911bef73ca2d3eb59679dda6d078c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1aeb4f105a769cae0727dc21788670f575e821cf8c21edd528c024d2ee93514d",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-03-07T23:21:59Z",
    "title_canon_sha256": "987869049f8c320c27edb9d6b9d6ee225af13027a8c0e2f0ddea3593de64d148"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03218",
    "kind": "arxiv",
    "version": 1
  }
}