Pith Number

pith:ZW5NAP77

pith:2016:ZW5NAP77EIWAUNWHRSPSE7NIPG

not attested not anchored not stored refs pending

Dijkstra Monads for Free

Aseem Rastogi, Catalin Hritcu, Danel Ahman, Gordon Plotkin, Guido Martinez, Jonathan Protzenko, Kenji Maillard, Nikhil Swamy

arxiv:1608.06499 v3 · 2016-08-23 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZW5NAP77EIWAUNWHRSPSE7NIPG}

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	2026-07-05T00:11:29.006790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdbad03fff222c0a36c78c9f227da879bd570b21f832425090afee73d48aaa1c

Aliases

arxiv: 1608.06499 · arxiv_version: 1608.06499v3 · doi: 10.48550/arxiv.1608.06499 · pith_short_12: ZW5NAP77EIWA · pith_short_16: ZW5NAP77EIWAUNWH · pith_short_8: ZW5NAP77

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/ZW5NAP77EIWAUNWHRSPSE7NIPG \
  | 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: cdbad03fff222c0a36c78c9f227da879bd570b21f832425090afee73d48aaa1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9369e863371059b5c0719ab0f36cea89cadb7985e7dee5134fc394e0a108e922",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-08-23T13:18:01Z",
    "title_canon_sha256": "31377779ff467daf8904edb8bcf0306ba6da2c50529df1de8e0f8751e2a13bb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06499",
    "kind": "arxiv",
    "version": 3
  }
}