Pith Number

pith:3S5MJ5XM

pith:2012:3S5MJ5XM2VWNOPJ23GJ7KLQPZM

not attested not anchored not stored refs pending

Edge Intersection Graphs of L-Shaped Paths in Grids

Ch\'inh T. Ho\`ang, Kathie Cameron, Steven Chaplick

arxiv:1204.5702 v2 · 2012-04-25 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3S5MJ5XM2VWNOPJ23GJ7KLQPZM}

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	2026-05-18T01:31:12.119633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcbac4f6ecd56cd73d3ad993f52e0fcb07ff418f157de8af647e0ee12ccbeaa7

Aliases

arxiv: 1204.5702 · arxiv_version: 1204.5702v2 · doi: 10.48550/arxiv.1204.5702 · pith_short_12: 3S5MJ5XM2VWN · pith_short_16: 3S5MJ5XM2VWNOPJ2 · pith_short_8: 3S5MJ5XM

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/3S5MJ5XM2VWNOPJ23GJ7KLQPZM \
  | 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: dcbac4f6ecd56cd73d3ad993f52e0fcb07ff418f157de8af647e0ee12ccbeaa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f9703303cbad0c20e59f06bcd6c40553749ba8b46c26c78158e78743465e4d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-04-25T16:40:42Z",
    "title_canon_sha256": "658f48bf3d6bae9efac64dd44206b9f0957cb61cdffec2c9ee29d649ef441ea4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5702",
    "kind": "arxiv",
    "version": 2
  }
}