Pith Number

pith:4JW4IHHL

pith:2011:4JW4IHHL7LLCOF6M3U6BMPZRSV

not attested not anchored not stored refs pending

On joint triangulations of two sets of points in the plane

Ajit Arvind Diwan, Andrzej Lingas, Partha Pratim Goswami, Subir Kumar Ghosh

arxiv:1102.1235 v1 · 2011-02-07 · 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{4JW4IHHL7LLCOF6M3U6BMPZRSV}

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	2026-05-18T04:29:54.703427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e26dc41cebfad62717ccdd3c163f31956f3d6efba0736a7db0cac6f7b1531424

Aliases

arxiv: 1102.1235 · arxiv_version: 1102.1235v1 · doi: 10.48550/arxiv.1102.1235 · pith_short_12: 4JW4IHHL7LLC · pith_short_16: 4JW4IHHL7LLCOF6M · pith_short_8: 4JW4IHHL

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/4JW4IHHL7LLCOF6M3U6BMPZRSV \
  | 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: e26dc41cebfad62717ccdd3c163f31956f3d6efba0736a7db0cac6f7b1531424

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41aea2ce43267a156a9bbec7ad6fb5ba48813063c48c4835f77f97dfa4d8a979",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-02-07T05:55:01Z",
    "title_canon_sha256": "70fdd40af1321702300ef8334791e96537cc377488a4938e267451eb1ece5a83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1235",
    "kind": "arxiv",
    "version": 1
  }
}