Pith Number

pith:CR2CR44D

pith:2026:CR2CR44D2SBT6SVQC5O6FFJAVN

not attested not anchored not stored refs pending

Induced/Incomparable versus Ramsey

Christina Zarb, Yair Caro, Zsolt Tuza

arxiv:2605.22077 v1 · 2026-05-21 · 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{CR2CR44D2SBT6SVQC5O6FFJAVN}

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	2026-05-22T01:04:24.048390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

147428f383d4833f4ab0175de29520ab65a855f95a3845cb711df8fffee9d484

Aliases

arxiv: 2605.22077 · arxiv_version: 2605.22077v1 · doi: 10.48550/arxiv.2605.22077 · pith_short_12: CR2CR44D2SBT · pith_short_16: CR2CR44D2SBT6SVQ · pith_short_8: CR2CR44D

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/CR2CR44D2SBT6SVQC5O6FFJAVN \
  | 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: 147428f383d4833f4ab0175de29520ab65a855f95a3845cb711df8fffee9d484

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51445bf9c1d7dec94a555dab235d38c13073579e93d6737a660555deb96d4ef4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-05-21T07:16:34Z",
    "title_canon_sha256": "ac739a7ec96572be1404bdd7cb2f342f560e134aee9b22a967c8cd88ea145492"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22077",
    "kind": "arxiv",
    "version": 1
  }
}