Pith Number

pith:GFBGRXWY

pith:2014:GFBGRXWY67RDM75XQPQUNKTAN6

not attested not anchored not stored refs pending

A proof for a conjecture of Gyarfas, Lehel, Sarkozy and Schelp on Berge-cycles

G.R. Omidi

arxiv:1404.3385 v2 · 2014-04-13 · 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{GFBGRXWY67RDM75XQPQUNKTAN6}

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	2026-05-18T00:31:52.526844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

314268ded8f7e2367fb783e146aa606fad19e87c8f904dcdd3e2ad7428cd3413

Aliases

arxiv: 1404.3385 · arxiv_version: 1404.3385v2 · doi: 10.48550/arxiv.1404.3385 · pith_short_12: GFBGRXWY67RD · pith_short_16: GFBGRXWY67RDM75X · pith_short_8: GFBGRXWY

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/GFBGRXWY67RDM75XQPQUNKTAN6 \
  | 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: 314268ded8f7e2367fb783e146aa606fad19e87c8f904dcdd3e2ad7428cd3413

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcd50b7b568361dbd78d622e5313c025b51eae24bc31d53f93f8008a3b8371d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-04-13T14:05:53Z",
    "title_canon_sha256": "64d20e702471ec64bc68ac80eb3a08043eea91906fced63c116e47c7cdf7a029"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3385",
    "kind": "arxiv",
    "version": 2
  }
}