Pith Number

pith:VCSYVYHJ

pith:2018:VCSYVYHJHXKJCVF5MLGEHJ4YBD

not attested not anchored not stored refs pending

Proof of the Kalai-Meshulam conjecture

Alex Scott, Maria Chudnovsky, Paul Seymour, Sophie Spirkl

arxiv:1810.00065 v1 · 2018-09-28 · 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{VCSYVYHJHXKJCVF5MLGEHJ4YBD}

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	2026-05-18T00:04:28.948852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8a58ae0e93dd49154bd62cc43a79808c6bfc2d2f77640f577b758214a159ac5

Aliases

arxiv: 1810.00065 · arxiv_version: 1810.00065v1 · doi: 10.48550/arxiv.1810.00065 · pith_short_12: VCSYVYHJHXKJ · pith_short_16: VCSYVYHJHXKJCVF5 · pith_short_8: VCSYVYHJ

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/VCSYVYHJHXKJCVF5MLGEHJ4YBD \
  | 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: a8a58ae0e93dd49154bd62cc43a79808c6bfc2d2f77640f577b758214a159ac5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "739337c673130f2f2e20894d8c10181be564504becc19499e16f455a68dc7d44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-09-28T19:53:18Z",
    "title_canon_sha256": "cf03b546f57b854ec92f41c237fd3fb05bda3154939c126178aacf65212d2c7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.00065",
    "kind": "arxiv",
    "version": 1
  }
}