Pith Number

pith:6U53XJXJ

pith:2013:6U53XJXJXQNWQSBVQEHLMOM2EY

not attested not anchored not stored refs pending

Applications of the Canonical Ramsey Theorem to Geometry

Sam Zbarsky, William Gasarch

arxiv:1302.5334 v1 · 2013-02-21 · 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{6U53XJXJXQNWQSBVQEHLMOM2EY}

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	2026-05-18T03:32:57.977634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f53bbba6e9bc1b684835810eb6399a2608d0e8bf978fedf5ffae1abd954a95c7

Aliases

arxiv: 1302.5334 · arxiv_version: 1302.5334v1 · doi: 10.48550/arxiv.1302.5334 · pith_short_12: 6U53XJXJXQNW · pith_short_16: 6U53XJXJXQNWQSBV · pith_short_8: 6U53XJXJ

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/6U53XJXJXQNWQSBVQEHLMOM2EY \
  | 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: f53bbba6e9bc1b684835810eb6399a2608d0e8bf978fedf5ffae1abd954a95c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00e58c21b6c7fff638dfdece387efd3e90090a803e75ca1f8c5e512e63f14a10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-02-21T16:53:18Z",
    "title_canon_sha256": "7d289a7c8881e873a1952c05717a81e79e35fc94338e5488e4d8ff55b148c931"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5334",
    "kind": "arxiv",
    "version": 1
  }
}