Pith Number

pith:QI34GDOS

pith:2026:QI34GDOSB7YKRJO4SJ3DV2ZECS

not attested not anchored not stored refs pending

Misquoted No More: Securely Extracting F* Programs with IO

Abigail Pribisova, Catalin Hritcu, Cezar-Constantin Andrici, Danel Ahman, Exequiel Rivas, Th\'eo Winterhalter

arxiv:2602.19973 v3 · 2026-02-23 · cs.PL · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QI34GDOSB7YKRJO4SJ3DV2ZECS}

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	2026-06-05T01:15:22.273223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8237c30dd20ff0a8a5dc92763aeb24149883294e6a47c00c68a67b553ff96b0a

Aliases

arxiv: 2602.19973 · arxiv_version: 2602.19973v3 · doi: 10.48550/arxiv.2602.19973 · pith_short_12: QI34GDOSB7YK · pith_short_16: QI34GDOSB7YKRJO4 · pith_short_8: QI34GDOS

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/QI34GDOSB7YKRJO4SJ3DV2ZECS \
  | 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: 8237c30dd20ff0a8a5dc92763aeb24149883294e6a47c00c68a67b553ff96b0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1864d06c0303c7adea557710ee5f049ff048d7934ecf369d4ea017d90751fbb6",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2026-02-23T15:37:18Z",
    "title_canon_sha256": "560542836a16fd5aa44b80d44e3cbe88dcb2a826479df276edf3f42a0b2bf497"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.19973",
    "kind": "arxiv",
    "version": 3
  }
}