Pith Number

pith:5NF5JR75

pith:2019:5NF5JR75OCPS3G3TA4TQSVC4EI

not attested not anchored not stored refs pending

Persistent Graphs and Cyclic Polytope Triangulations

Malte Renken, Vincent Froese

arxiv:1911.05012 v2 · 2019-11-12 · cs.DM · 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{5NF5JR75OCPS3G3TA4TQSVC4EI}

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	2026-07-05T02:15:21.809054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb4bd4c7fd709f2d9b73072709545c2234b6b907625bb9382cac8e66e8e16aca

Aliases

arxiv: 1911.05012 · arxiv_version: 1911.05012v2 · doi: 10.48550/arxiv.1911.05012 · pith_short_12: 5NF5JR75OCPS · pith_short_16: 5NF5JR75OCPS3G3T · pith_short_8: 5NF5JR75

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/5NF5JR75OCPS3G3TA4TQSVC4EI \
  | 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: eb4bd4c7fd709f2d9b73072709545c2234b6b907625bb9382cac8e66e8e16aca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f2b8d4ce8560ff716d68f8085019ae747ca27a6769a57a6f224973fe9156257",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2019-11-12T17:09:31Z",
    "title_canon_sha256": "fb5c60a148663e98a428a597ce82557cb0fe8b34be67334278fda20b2bbd537b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.05012",
    "kind": "arxiv",
    "version": 2
  }
}