Pith Number

pith:NVQIIIWP

pith:2016:NVQIIIWP4LF4WUICSR6PGJTPOV

not attested not anchored not stored refs pending

A Note on Schnyder's Theorem

Fidel Barrera-Cruz, Penny Haxell

arxiv:1606.08943 v1 · 2016-06-29 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NVQIIIWP4LF4WUICSR6PGJTPOV}

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	2026-05-18T01:11:42.010130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d608422cfe2cbcb5102947cf3266f75761fc0c8ac8dc747d19d127d9c82ac59

Aliases

arxiv: 1606.08943 · arxiv_version: 1606.08943v1 · doi: 10.48550/arxiv.1606.08943 · pith_short_12: NVQIIIWP4LF4 · pith_short_16: NVQIIIWP4LF4WUIC · pith_short_8: NVQIIIWP

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/NVQIIIWP4LF4WUICSR6PGJTPOV \
  | 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: 6d608422cfe2cbcb5102947cf3266f75761fc0c8ac8dc747d19d127d9c82ac59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d897c21723985bb4e43a619a01efcd3ffcc186f9f016e3ad9a588dc8bd10b0eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-06-29T03:29:10Z",
    "title_canon_sha256": "93d451eb6ac18bec21ad6b804b42797e762afe21a8aba1237bd0ba1a6a1a87ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.08943",
    "kind": "arxiv",
    "version": 1
  }
}