Pith Number

pith:BTVF2Q2S

pith:2003:BTVF2Q2SR3JSQRLSTRU7BOQT6X

not attested not anchored not stored refs pending

Generic 3-connected planar constraint systems are not soluble by radicals

Cambridge), John C. Owen (D-Cubed Ltd, Stephen C. Power (Lancaster University)

arxiv:math/0311037 v1 · 2003-11-04 · math.CO · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BTVF2Q2SR3JSQRLSTRU7BOQT6X}

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	2026-07-04T14:37:57.514010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cea5d43528ed32845729c69f0ba13f5f0685b04c01ab7aef217c73eb7ac9383

Aliases

arxiv: math/0311037 · arxiv_version: math/0311037v1 · doi: 10.48550/arxiv.math/0311037 · pith_short_12: BTVF2Q2SR3JS · pith_short_16: BTVF2Q2SR3JSQRLS · pith_short_8: BTVF2Q2S

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/BTVF2Q2SR3JSQRLSTRU7BOQT6X \
  | 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: 0cea5d43528ed32845729c69f0ba13f5f0685b04c01ab7aef217c73eb7ac9383

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2d8ae061b07801d9bfdb5183be38e88ceef5d21dfe5c88bb52fb191030cd077",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2003-11-04T16:16:11Z",
    "title_canon_sha256": "95bfda6210e0a56cfcb2194a3bb507a7bbe93816f791770c92b3fa56085adaef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0311037",
    "kind": "arxiv",
    "version": 1
  }
}