Pith Number

pith:JFA7C2LL

pith:2015:JFA7C2LLJ4OFXLFARA7L5MSEW7

not attested not anchored not stored refs pending

Higher category models of the pi-calculus

Lucius Gregory Meredith, Mike Stay

arxiv:1504.04311 v4 · 2015-04-16 · 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{JFA7C2LLJ4OFXLFARA7L5MSEW7}

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	2026-05-18T01:32:29.778166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4941f1696b4f1c5baca0883ebeb244b7e216fb9ceb3ceb442ecbfaba45b2cda9

Aliases

arxiv: 1504.04311 · arxiv_version: 1504.04311v4 · doi: 10.48550/arxiv.1504.04311 · pith_short_12: JFA7C2LLJ4OF · pith_short_16: JFA7C2LLJ4OFXLFA · pith_short_8: JFA7C2LL

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/JFA7C2LLJ4OFXLFARA7L5MSEW7 \
  | 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: 4941f1696b4f1c5baca0883ebeb244b7e216fb9ceb3ceb442ecbfaba45b2cda9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d4225e86aaa46c484fc9e5a1ab397d01f11dcdea23a9b01c27fa4c8948d775a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-04-16T17:14:52Z",
    "title_canon_sha256": "69c1e67c6b8806efd84726a657dc4619412da5b61e9cfe02fa4841a5c2026ec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04311",
    "kind": "arxiv",
    "version": 4
  }
}