Pith Number

pith:RQ6BSKPL

pith:2016:RQ6BSKPLIKIXLRUKYSMWD5LQVS

not attested not anchored not stored refs pending

The homomorphism threshold of $\{C_3, C_5\}$-free graphs

Richard Snyder, Shoham Letzter

arxiv:1610.04932 v3 · 2016-10-17 · 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{RQ6BSKPLIKIXLRUKYSMWD5LQVS}

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	2026-05-18T00:07:51.054863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c3c1929eb429175c68ac49961f570aca9261e5d44ce5fcd1488f309b0120d0c

Aliases

arxiv: 1610.04932 · arxiv_version: 1610.04932v3 · doi: 10.48550/arxiv.1610.04932 · pith_short_12: RQ6BSKPLIKIX · pith_short_16: RQ6BSKPLIKIXLRUK · pith_short_8: RQ6BSKPL

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/RQ6BSKPLIKIXLRUKYSMWD5LQVS \
  | 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: 8c3c1929eb429175c68ac49961f570aca9261e5d44ce5fcd1488f309b0120d0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c14917e7e22858c3fe88e9bd3a22db52c123bdf548e0da3bf9333b19de56c1e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-10-17T00:09:42Z",
    "title_canon_sha256": "0c41beb804e8f94704ddd7fa710ee065a05e25bf262ec31ebd4ee1afa4dd5b80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04932",
    "kind": "arxiv",
    "version": 3
  }
}