Pith Number

pith:BMJ7N56O

pith:2002:BMJ7N56OW5WEDIDOJSLLNOUPUO

not attested not anchored not stored refs pending

Expansive Motions and the Polytope of Pointed Pseudo-Triangulations

Francisco Santos, Guenter Rote, Ileana Streinu

arxiv:math/0206027 v2 · 2002-06-04 · 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{BMJ7N56OW5WEDIDOJSLLNOUPUO}

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	2026-05-18T01:32:35.267791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b13f6f7ceb76c41a06e4c96b6ba8fa390d48eef05b320d4da48e605734b434e

Aliases

arxiv: math/0206027 · arxiv_version: math/0206027v2 · doi: 10.48550/arxiv.math/0206027 · pith_short_12: BMJ7N56OW5WE · pith_short_16: BMJ7N56OW5WEDIDO · pith_short_8: BMJ7N56O

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/BMJ7N56OW5WEDIDOJSLLNOUPUO \
  | 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: 0b13f6f7ceb76c41a06e4c96b6ba8fa390d48eef05b320d4da48e605734b434e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfb5148680ffc38f6d8a7e55bf371ba7d542c8f796b3ab51232afcb85e1ad23f",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2002-06-04T17:24:50Z",
    "title_canon_sha256": "e4c61317b261a84fdf6a9036eae922690354b031fe6c1b56259a9c32c3e36f8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0206027",
    "kind": "arxiv",
    "version": 2
  }
}