Pith Number

pith:73WDVNJK

pith:2014:73WDVNJKN534ZK3YSJ5E463I6Q

not attested not anchored not stored refs pending

Induced and non-induced forbidden subposet problems

Balazs Patkos

arxiv:1408.0899 v5 · 2014-08-05 · 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{73WDVNJKN534ZK3YSJ5E463I6Q}

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	2026-05-18T02:27:07.811956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feec3ab52a6f77ccab78927a4e7b68f40a98806764ae84104680a511bfaa305f

Aliases

arxiv: 1408.0899 · arxiv_version: 1408.0899v5 · doi: 10.48550/arxiv.1408.0899 · pith_short_12: 73WDVNJKN534 · pith_short_16: 73WDVNJKN534ZK3Y · pith_short_8: 73WDVNJK

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/73WDVNJKN534ZK3YSJ5E463I6Q \
  | 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: feec3ab52a6f77ccab78927a4e7b68f40a98806764ae84104680a511bfaa305f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dd75ff9dca2218443de5efbefda7b24eaf3a3baf882c847723d3be3d923688d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-08-05T09:27:05Z",
    "title_canon_sha256": "3a3bef53dfa1827965d30051b7314f22b610cfba1386f9a5862af20c0387ab0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0899",
    "kind": "arxiv",
    "version": 5
  }
}