Pith Number

pith:B5IGF4VS

pith:2016:B5IGF4VSG7ZH2DFBCSOP6JW3HX

not attested not anchored not stored refs pending

Note on Ramsey theorem for posets with linear extensions

Andrii Arman, Vojt\v{e}ch R\"odl

arxiv:1608.05290 v1 · 2016-08-18 · 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{B5IGF4VSG7ZH2DFBCSOP6JW3HX}

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	2026-05-18T01:08:31.444182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f5062f2b237f27d0ca1149cff26db3df69299e0205a20237c497fd777ebb345

Aliases

arxiv: 1608.05290 · arxiv_version: 1608.05290v1 · doi: 10.48550/arxiv.1608.05290 · pith_short_12: B5IGF4VSG7ZH · pith_short_16: B5IGF4VSG7ZH2DFB · pith_short_8: B5IGF4VS

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/B5IGF4VSG7ZH2DFBCSOP6JW3HX \
  | 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: 0f5062f2b237f27d0ca1149cff26db3df69299e0205a20237c497fd777ebb345

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "038c98d365b5aabed42cfddc30d743708cca8c238fe6dc4e96d308b881bb2f94",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-08-18T15:15:11Z",
    "title_canon_sha256": "6576de1d71fba395d4aee8a8ab3f13dec803fc31a876df84ed1cfcbeaf8563bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05290",
    "kind": "arxiv",
    "version": 1
  }
}