Pith Number

pith:FNWQJ2HB

pith:2013:FNWQJ2HBHQ4NEENESADCGNM456

not attested not anchored not stored refs pending

Symmetry-forced rigidity of frameworks on surfaces

Anthony Nixon, Bernd Schulze

arxiv:1312.1480 v2 · 2013-12-05 · math.MG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNWQJ2HBHQ4NEENESADCGNM456}

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	2026-05-18T01:36:07.381930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b6d04e8e13c38d211a4900623359cefb6c66e5a90159a7ed5793d5ac708070f

Aliases

arxiv: 1312.1480 · arxiv_version: 1312.1480v2 · doi: 10.48550/arxiv.1312.1480 · pith_short_12: FNWQJ2HBHQ4N · pith_short_16: FNWQJ2HBHQ4NEENE · pith_short_8: FNWQJ2HB

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/FNWQJ2HBHQ4NEENESADCGNM456 \
  | 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: 2b6d04e8e13c38d211a4900623359cefb6c66e5a90159a7ed5793d5ac708070f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d930a19cd66e89c85e5886d3cb410f20b6d18fc03c598d141bbd8482d649c85",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-12-05T09:41:36Z",
    "title_canon_sha256": "bd03bfc53eff1d9eaa678648370ce2f9b1f9cdb7d423c04dff822f6ce56d0cc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1480",
    "kind": "arxiv",
    "version": 2
  }
}