Pith Number

pith:JLXJW6CK

pith:2014:JLXJW6CKUMKY4SCIOWFAEWXWCI

not attested not anchored not stored refs pending

Excuse Me! or The Courteous Theatregoers' Problem

Danny Krizanc, Evangelos Kranakis, Konstantinos Georgiou

arxiv:1403.1988 v1 · 2014-03-08 · 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{JLXJW6CKUMKY4SCIOWFAEWXWCI}

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	2026-05-18T02:56:51.121605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4aee9b784aa3158e4848758a025af61238c4c3e3eddd37c6ce6e29e2549b0a57

Aliases

arxiv: 1403.1988 · arxiv_version: 1403.1988v1 · doi: 10.48550/arxiv.1403.1988 · pith_short_12: JLXJW6CKUMKY · pith_short_16: JLXJW6CKUMKY4SCI · pith_short_8: JLXJW6CK

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/JLXJW6CKUMKY4SCIOWFAEWXWCI \
  | 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: 4aee9b784aa3158e4848758a025af61238c4c3e3eddd37c6ce6e29e2549b0a57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e608d3bb521753c92145957ff39f3aad9192d05dec44301ada8a7f1eb33c00b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2014-03-08T17:23:59Z",
    "title_canon_sha256": "dbbfc0a018a21a15c8a36d8d97682281fa65b8bee80917661e6b1c384725b778"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1988",
    "kind": "arxiv",
    "version": 1
  }
}