Pith Number

pith:ISGVJLMX

pith:2017:ISGVJLMX3SPTUDFZQCWV5HSCBJ

not attested not anchored not stored refs pending

Berge's Conjecture and Aharoni-Hartman-Hoffman's Conjecture for locally in-semicomplete digraphs

C\^andida Nunes da Silva, Carla Negri Lintzmayer, Maycon Sambinelli, Orlando Lee

arxiv:1708.06691 v1 · 2017-08-22 · 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{ISGVJLMX3SPTUDFZQCWV5HSCBJ}

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	2026-05-18T00:37:32.890383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

448d54ad97dc9f3a0cb980ad5e9e420a7dde601fe43b1794528fe8d1a73eadd2

Aliases

arxiv: 1708.06691 · arxiv_version: 1708.06691v1 · doi: 10.48550/arxiv.1708.06691 · pith_short_12: ISGVJLMX3SPT · pith_short_16: ISGVJLMX3SPTUDFZ · pith_short_8: ISGVJLMX

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/ISGVJLMX3SPTUDFZQCWV5HSCBJ \
  | 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: 448d54ad97dc9f3a0cb980ad5e9e420a7dde601fe43b1794528fe8d1a73eadd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b1788d2fe07eb35c5622c86f38bb270df9a16de4a7ada306efa906518e85b7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-08-22T16:07:52Z",
    "title_canon_sha256": "ca99058a4a399b497970cefdad075c04f27cf65c32c413074574764ebfbb6a76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06691",
    "kind": "arxiv",
    "version": 1
  }
}