Pith Number

pith:TNDQRWVY

pith:2011:TNDQRWVYG3ZGE2WEM6QBDEC6CB

not attested not anchored not stored refs pending

Approximating the Edge Length of 2-Edge Connected Planar Geometric Graphs on a Set of Points

Danny Krizanc, Evangelos Kranakis, Ladislav Stacho, Oscar Morales-Ponce, Stefan Dobrev

arxiv:1112.3523 v1 · 2011-12-15 · cs.DM · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TNDQRWVYG3ZGE2WEM6QBDEC6CB}

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	2026-05-18T04:06:18.390785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b4708dab836f2626ac467a011905e107444e4d8673c623a88fb57653e810a86

Aliases

arxiv: 1112.3523 · arxiv_version: 1112.3523v1 · doi: 10.48550/arxiv.1112.3523 · pith_short_12: TNDQRWVYG3ZG · pith_short_16: TNDQRWVYG3ZGE2WE · pith_short_8: TNDQRWVY

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/TNDQRWVYG3ZGE2WEM6QBDEC6CB \
  | 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: 9b4708dab836f2626ac467a011905e107444e4d8673c623a88fb57653e810a86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ef905e9d69fdae5853aabf4fac6146505154b20fc0fc176ebb84fa5bbd82749",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-12-15T14:41:45Z",
    "title_canon_sha256": "416f62555d39b7b26f8b8bb0c75724ae024024f9bd12ffc41d3697522fce2f91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3523",
    "kind": "arxiv",
    "version": 1
  }
}