Pith Number

pith:UMXGMS2O

pith:2013:UMXGMS2ORWWF4IQE5DVAF7PA4W

not attested not anchored not stored refs pending

Some proof theoretical remarks on quantification in ordinary language

Christian Retor\'e (LaBRI, IRIT), Michele Abrusci

arxiv:1301.5304 v1 · 2013-01-22 · 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{UMXGMS2ORWWF4IQE5DVAF7PA4W}

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	2026-05-18T03:35:13.246442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a32e664b4e8dac5e2204e8ea02fde0e58555a3788227c93eb6c4014429bee913

Aliases

arxiv: 1301.5304 · arxiv_version: 1301.5304v1 · doi: 10.48550/arxiv.1301.5304 · pith_short_12: UMXGMS2ORWWF · pith_short_16: UMXGMS2ORWWF4IQE · pith_short_8: UMXGMS2O

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/UMXGMS2ORWWF4IQE5DVAF7PA4W \
  | 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: a32e664b4e8dac5e2204e8ea02fde0e58555a3788227c93eb6c4014429bee913

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2458d88d69f9511312aa69725514e8e1a4aab4e0cf86fe48617663df62dc4a9",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-01-22T20:22:20Z",
    "title_canon_sha256": "d848d55f2dd619923333a924eef24941cdad861bc6f25e2b7eeebf4e39db6484"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5304",
    "kind": "arxiv",
    "version": 1
  }
}