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Pith Number

pith:QOHFWFKR

pith:2014:QOHFWFKR54RP62BUV743FYN3WP
not attested not anchored not stored refs pending

Three Graphs and the Erd\H{o}s-Gy\'{a}rf\'{a}s Conjecture

Geoffrey Exoo

arxiv:1403.5636 v1 · 2014-03-22 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QOHFWFKR54RP62BUV743FYN3WP}

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 2026-05-18T02:55:49.295212Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

838e5b1551ef22ff6834aff9b2e1bbb3e07e482713f7d637411df7cda7ef40d5

Aliases

arxiv: 1403.5636 · arxiv_version: 1403.5636v1 · doi: 10.48550/arxiv.1403.5636 · pith_short_12: QOHFWFKR54RP · pith_short_16: QOHFWFKR54RP62BU · pith_short_8: QOHFWFKR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QOHFWFKR54RP62BUV743FYN3WP \
  | 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: 838e5b1551ef22ff6834aff9b2e1bbb3e07e482713f7d637411df7cda7ef40d5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d5e5388414617787822735f29ae5f0a5ed140017d62570f79441d4f83f174b69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-03-22T09:39:09Z",
    "title_canon_sha256": "64d8634c09380f140bf771928b60d842c3df5708964e958206d5cb30af02aa0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5636",
    "kind": "arxiv",
    "version": 1
  }
}