Pith Number

pith:V44T2WQY

pith:2015:V44T2WQYSYBFU2L7UVO6JNATZT

not attested not anchored not stored refs pending

Machine-Checked Proofs For Realizability Checking Algorithms

Andreas Katis, Andrew Gacek, Michael W. Whalen

arxiv:1502.01292 v4 · 2015-02-04 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V44T2WQYSYBFU2L7UVO6JNATZT}

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	2026-05-18T01:26:43.384627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af393d5a1896025a697fa55de4b413ccc467e8155f16267a2e61d6c5052ef433

Aliases

arxiv: 1502.01292 · arxiv_version: 1502.01292v4 · doi: 10.48550/arxiv.1502.01292 · pith_short_12: V44T2WQYSYBF · pith_short_16: V44T2WQYSYBFU2L7 · pith_short_8: V44T2WQY

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/V44T2WQYSYBFU2L7UVO6JNATZT \
  | 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: af393d5a1896025a697fa55de4b413ccc467e8155f16267a2e61d6c5052ef433

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "186c099ef117622db457df3b05f9c8cf407ca86b91b8781093ac86479940ccdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-02-04T19:11:39Z",
    "title_canon_sha256": "0f490118b89660559ba625f29b168ffda501e1b84cd52bb9a754d62175ade14c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01292",
    "kind": "arxiv",
    "version": 4
  }
}