Pith Number

pith:FFDHR3JH

pith:2018:FFDHR3JHHOOIHZQXQYO6ZEXUQT

not attested not anchored not stored refs pending

Sufficient conditions for the global rigidity of periodic graphs

Bernd Schulze, Csaba Kiraly, Viktoria E. Kaszanitzky

arxiv:1804.08008 v1 · 2018-04-21 · 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{FFDHR3JHHOOIHZQXQYO6ZEXUQT}

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	2026-05-18T00:17:49.817086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

294678ed273b9c83e617861dec92f484f8bdfa87d805191b16ef3bfa834bfa35

Aliases

arxiv: 1804.08008 · arxiv_version: 1804.08008v1 · doi: 10.48550/arxiv.1804.08008 · pith_short_12: FFDHR3JHHOOI · pith_short_16: FFDHR3JHHOOIHZQX · pith_short_8: FFDHR3JH

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/FFDHR3JHHOOIHZQXQYO6ZEXUQT \
  | 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: 294678ed273b9c83e617861dec92f484f8bdfa87d805191b16ef3bfa834bfa35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "897ad1dfb3fe04437066a55d279ea93bff6b420a5e9aeeaf369bfb9ac8fc7f1d",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2018-04-21T18:53:06Z",
    "title_canon_sha256": "6acf76ee170167ac90b87618bf6fccc7d62372d8c7b207374a0964573010c2e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08008",
    "kind": "arxiv",
    "version": 1
  }
}