Pith Number

pith:R6GYGY32

pith:2013:R6GYGY3226ZEM7BIN3XTSXQKAM

not attested not anchored not stored refs pending

Erd\H{o}s - Szekeres Theorem for Lines

Edgardo Rold\'an-Pensado, G\'eza T\'oth, Imre B\'ar\'any

arxiv:1307.5666 v2 · 2013-07-22 · math.MG · 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{R6GYGY3226ZEM7BIN3XTSXQKAM}

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	2026-05-18T02:18:33.224100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f8d83637ad7b2467c286eef395e0a033946f84e11b83e7ae60f1e0c5ec8e562

Aliases

arxiv: 1307.5666 · arxiv_version: 1307.5666v2 · doi: 10.48550/arxiv.1307.5666 · pith_short_12: R6GYGY3226ZE · pith_short_16: R6GYGY3226ZEM7BI · pith_short_8: R6GYGY32

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/R6GYGY3226ZEM7BIN3XTSXQKAM \
  | 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: 8f8d83637ad7b2467c286eef395e0a033946f84e11b83e7ae60f1e0c5ec8e562

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a60c8d71c29411182eebc36e90c233fb581150319c5697e2cacd818cec8522e3",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-07-22T12:06:32Z",
    "title_canon_sha256": "72c720cf64a91fa1f7ac0c2362855e0f0a73e1b18e8074468e8e464ab35bd421"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5666",
    "kind": "arxiv",
    "version": 2
  }
}