Pith Number

pith:HOBADRMQ

pith:2017:HOBADRMQ6DLON4GPQMU6ATJHGG

not attested not anchored not stored refs pending

A proof of the Erd\H{o}s-Sands-Sauer-Woodrow conjecture

N. Bousquet, S. Thomass\'e, W. Lochet

arxiv:1703.08123 v1 · 2017-03-23 · 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{HOBADRMQ6DLON4GPQMU6ATJHGG}

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	2026-05-18T00:48:03.819175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b8201c590f0d6e6f0cf8329e04d2731af13fcb80e7767882e579fa3681fd6cd

Aliases

arxiv: 1703.08123 · arxiv_version: 1703.08123v1 · doi: 10.48550/arxiv.1703.08123 · pith_short_12: HOBADRMQ6DLO · pith_short_16: HOBADRMQ6DLON4GP · pith_short_8: HOBADRMQ

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/HOBADRMQ6DLON4GPQMU6ATJHGG \
  | 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: 3b8201c590f0d6e6f0cf8329e04d2731af13fcb80e7767882e579fa3681fd6cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff211b52d95caa0b3bddf9903b0543d002a52006ba62085ac4cb802826126339",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-23T16:07:08Z",
    "title_canon_sha256": "b82aab1135a4f57051b4b41f0cad3cfac9159772a95340a7bc06665366095661"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08123",
    "kind": "arxiv",
    "version": 1
  }
}