Pith Number

pith:H37HGR75

pith:2014:H37HGR75W2HGUEZTJU4JDTKD6F

not attested not anchored not stored refs pending

A Hoare logic for the coinductive trace-based big-step semantics of While

Keiko Nakata (Institute of Cybernetics), Tarmo Uustalu (Institute of Cybernetics)

arxiv:1412.6579 v2 · 2014-12-20 · cs.LO · 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{H37HGR75W2HGUEZTJU4JDTKD6F}

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	2026-05-17T23:40:42.233405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3efe7347fdb68e6a13334d3891cd43f156795fc10b91be67fa282010dbab078b

Aliases

arxiv: 1412.6579 · arxiv_version: 1412.6579v2 · doi: 10.48550/arxiv.1412.6579 · pith_short_12: H37HGR75W2HG · pith_short_16: H37HGR75W2HGUEZT · pith_short_8: H37HGR75

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/H37HGR75W2HGUEZTJU4JDTKD6F \
  | 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: 3efe7347fdb68e6a13334d3891cd43f156795fc10b91be67fa282010dbab078b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e444a5fbf4ff04edda0407643344633b236b158d7a954e91fb5e70ecac97a73c",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-12-20T02:00:11Z",
    "title_canon_sha256": "e1ca507cb6a71582829c91b2c67b736af8c1a85c0da2562a36e2e3934d741e9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6579",
    "kind": "arxiv",
    "version": 2
  }
}