Pith Number

pith:EIT3LTUQ

pith:2009:EIT3LTUQTLXOSCNPAY6Z2EKNIS

not attested not anchored not stored refs pending

Flip Graphs of Degree-Bounded (Pseudo-)Triangulations

Andr\'e Schulz, Bettina Speckmann, David Orden, G\"unter Rote, Oswin Aichholzer, Pedro Ramos, Thomas Hackl

arxiv:0903.2184 v5 · 2009-03-12 · math.CO · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIT3LTUQTLXOSCNPAY6Z2EKNIS}

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	2026-05-18T02:26:59.317665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2227b5ce909aeee909af063d9d114d44a8e45d0fef9244a43d54b38740977345

Aliases

arxiv: 0903.2184 · arxiv_version: 0903.2184v5 · doi: 10.48550/arxiv.0903.2184 · pith_short_12: EIT3LTUQTLXO · pith_short_16: EIT3LTUQTLXOSCNP · pith_short_8: EIT3LTUQ

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/EIT3LTUQTLXOSCNPAY6Z2EKNIS \
  | 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: 2227b5ce909aeee909af063d9d114d44a8e45d0fef9244a43d54b38740977345

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88398f482db982b8a0c0692eae640cdc5231c331cb1d86e99f37d7184b665ef6",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-03-12T15:55:12Z",
    "title_canon_sha256": "2054cfd0f8dfd654247d454fecc2287d38d52a00c4af76b83c20d5aa651ee887"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2184",
    "kind": "arxiv",
    "version": 5
  }
}