Pith Number

pith:6I5B4PQY

pith:2024:6I5B4PQYZMCUVM5VGSGJFZBYGL

not attested not anchored not stored refs pending

A proof-theoretical approach to some extensions of first order quantification

Christian Retor\'e, Lo\"ic All\`egre, Oph\'elie Lacroix

arxiv:2407.09865 v1 · 2024-07-13 · math.LO · 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{6I5B4PQYZMCUVM5VGSGJFZBYGL}

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	2026-07-05T08:43:35.849929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f23a1e3e18cb054ab3b5348c92e43832f2564c32f39653e828820f2ddd0d9e11

Aliases

arxiv: 2407.09865 · arxiv_version: 2407.09865v1 · doi: 10.48550/arxiv.2407.09865 · pith_short_12: 6I5B4PQYZMCU · pith_short_16: 6I5B4PQYZMCUVM5V · pith_short_8: 6I5B4PQY

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/6I5B4PQYZMCUVM5VGSGJFZBYGL \
  | 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: f23a1e3e18cb054ab3b5348c92e43832f2564c32f39653e828820f2ddd0d9e11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14bf1064df0ef7bce8b20273fc16f5f2333c22b770bc8820b1727210aa1c8e50",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2024-07-13T12:28:19Z",
    "title_canon_sha256": "6ee4d1561dba6b1da48e4284af70235e7c4011459ac38a2ea4c938beb9e8a36c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.09865",
    "kind": "arxiv",
    "version": 1
  }
}