Pith Number

pith:IG5QGISR

pith:2010:IG5QGISRYPKVDGNPK3QTIQKFL2

not attested not anchored not stored refs pending

Twistor theory on a finite graph

Mohammad Wehbe, Paul Baird

arxiv:1002.0337 v1 · 2010-02-01 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IG5QGISRYPKVDGNPK3QTIQKFL2}

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	2026-05-18T02:09:21.320124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41bb032251c3d55199af56e13441455e9344e5a2043e87b40f581941c46816de

Aliases

arxiv: 1002.0337 · arxiv_version: 1002.0337v1 · doi: 10.48550/arxiv.1002.0337 · pith_short_12: IG5QGISRYPKV · pith_short_16: IG5QGISRYPKVDGNP · pith_short_8: IG5QGISR

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/IG5QGISRYPKVDGNPK3QTIQKFL2 \
  | 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: 41bb032251c3d55199af56e13441455e9344e5a2043e87b40f581941c46816de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32e902a90d05e46c1164e9b7a49c81202810ecf63cf1e2eb5b34901e1b0781d3",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2010-02-01T21:10:12Z",
    "title_canon_sha256": "87a4a8a0f02d72347addd0417906fe03d0f7d2e0208fe04c442f1bf7fce5f011"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0337",
    "kind": "arxiv",
    "version": 1
  }
}