Pith Number

pith:CHOIWUVX

pith:2011:CHOIWUVXQILHV7XTHQVBGOIEJ4

not attested not anchored not stored refs pending

Confluent Hasse diagrams

David Eppstein, Joseph A. Simons

arxiv:1108.5361 v2 · 2011-08-26 · cs.CG · cs.DS · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CHOIWUVXQILHV7XTHQVBGOIEJ4}

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	2026-05-18T01:36:51.957345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11dc8b52b782167afef33c2a1339044f0abc0af57eccd1189963fcceff799051

Aliases

arxiv: 1108.5361 · arxiv_version: 1108.5361v2 · doi: 10.48550/arxiv.1108.5361 · pith_short_12: CHOIWUVXQILH · pith_short_16: CHOIWUVXQILHV7XT · pith_short_8: CHOIWUVX

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/CHOIWUVXQILHV7XTHQVBGOIEJ4 \
  | 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: 11dc8b52b782167afef33c2a1339044f0abc0af57eccd1189963fcceff799051

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05e9845c11de71b2e2f67962e68196af231940ef6b925e01d004a2b088cf92fa",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-08-26T18:07:50Z",
    "title_canon_sha256": "017352430ade026d01752ffcbd1354ec5dd729add136628a17a4cec8736f2400"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5361",
    "kind": "arxiv",
    "version": 2
  }
}