Pith Number

pith:TXNC7I6H

pith:2018:TXNC7I6HNCOQCWGMRCOCU6UP6H

not attested not anchored not stored refs pending

Meta-F*: Proof Automation with SMT, Tactics, and Metaprograms

Aseem Rastogi, Catalin Hritcu, Chris Hawblitzel, Cl\'ement Pit-Claudel, Danel Ahman, Guido Mart\'inez, Jonathan Protzenko, Monal Narasimhamurthy, Nick Giannarakis, Nikhil Swamy, Tahina Ramananandro, Victor Dumitrescu, Zoe Paraskevopoulou

arxiv:1803.06547 v4 · 2018-03-17 · cs.PL · 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{TXNC7I6HNCOQCWGMRCOCU6UP6H}

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	2026-05-17T23:51:54.655307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dda2fa3c7689d0158cc889c2a7a8ff1f43b6952a2023d7e8c14a05b197ef354

Aliases

arxiv: 1803.06547 · arxiv_version: 1803.06547v4 · doi: 10.48550/arxiv.1803.06547 · pith_short_12: TXNC7I6HNCOQ · pith_short_16: TXNC7I6HNCOQCWGM · pith_short_8: TXNC7I6H

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/TXNC7I6HNCOQCWGMRCOCU6UP6H \
  | 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: 9dda2fa3c7689d0158cc889c2a7a8ff1f43b6952a2023d7e8c14a05b197ef354

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6bc7aade72f5d41e9d172719ca4fa867ae5deba85e670a3b9c71b7197ce8a3a",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-03-17T18:08:13Z",
    "title_canon_sha256": "34751ea8fa9506142a4ae769a8912304235beb542782e2f0e34ab880c6bbf5d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.06547",
    "kind": "arxiv",
    "version": 4
  }
}