Pith Number

pith:GARQ2CIU

pith:2012:GARQ2CIUWDMLS2Y36ID45DDVKC

not attested not anchored not stored refs pending

A general proof system for logics of imperfect information

Pietro Galliani

arxiv:1201.5811 v1 · 2012-01-27 · math.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{GARQ2CIUWDMLS2Y36ID45DDVKC}

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	2026-05-18T04:03:44.457463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30230d0914b0d8b96b1bf207ce8c755085664e2eb2b27410aa58c6507fdfdeba

Aliases

arxiv: 1201.5811 · arxiv_version: 1201.5811v1 · doi: 10.48550/arxiv.1201.5811 · pith_short_12: GARQ2CIUWDML · pith_short_16: GARQ2CIUWDMLS2Y3 · pith_short_8: GARQ2CIU

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/GARQ2CIUWDMLS2Y36ID45DDVKC \
  | 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: 30230d0914b0d8b96b1bf207ce8c755085664e2eb2b27410aa58c6507fdfdeba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac69df11a91402ea305a57de4da00e02bb9613cfea4081ae334d4f098f6214fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-01-27T16:04:28Z",
    "title_canon_sha256": "dae339879a4c39ee73f67ecd63947b8d89717207879e9cb370b77771427f2ed2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5811",
    "kind": "arxiv",
    "version": 1
  }
}