Pith Number

pith:XUPXBFWW

pith:2011:XUPXBFWWC35FICPZ2HNGDVZ3YC

not attested not anchored not stored refs pending

On a Linear Program for Minimum-Weight Triangulation

Arman Yousefi, Neal E. Young

arxiv:1111.5305 v2 · 2011-11-22 · cs.CG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XUPXBFWWC35FICPZ2HNGDVZ3YC}

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	2026-05-18T01:59:59.333643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd1f7096d616fa5409f9d1da61d73bc0a0b51662945d789508a615f822b8826c

Aliases

arxiv: 1111.5305 · arxiv_version: 1111.5305v2 · doi: 10.48550/arxiv.1111.5305 · pith_short_12: XUPXBFWWC35F · pith_short_16: XUPXBFWWC35FICPZ · pith_short_8: XUPXBFWW

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/XUPXBFWWC35FICPZ2HNGDVZ3YC \
  | 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: bd1f7096d616fa5409f9d1da61d73bc0a0b51662945d789508a615f822b8826c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f7b73c3bfcfbac5bce0e969fe4fcdb261c441fc4a32ea337e87c14c7e7e3032",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-11-22T19:49:25Z",
    "title_canon_sha256": "7b692aab7407b8ed54c80b8b424ba194dbaf3ce5b8894c139109076c7c07591a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5305",
    "kind": "arxiv",
    "version": 2
  }
}