Pith Number

pith:OTY27QIJ

pith:2014:OTY27QIJ4GEW5VZ2BLESBDS6H7

not attested not anchored not stored refs pending

Isolating highly connected induced subgraphs

Irena Penev, Nicolas Trotignon, St\'ephan Thomass\'e

arxiv:1406.1671 v1 · 2014-06-06 · 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{OTY27QIJ4GEW5VZ2BLESBDS6H7}

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	2026-05-18T01:00:20.525474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74f1afc109e1896ed73a0ac9208e5e3fe4c93a59f5f7594b39c903b9ed8f18b7

Aliases

arxiv: 1406.1671 · arxiv_version: 1406.1671v1 · doi: 10.48550/arxiv.1406.1671 · pith_short_12: OTY27QIJ4GEW · pith_short_16: OTY27QIJ4GEW5VZ2 · pith_short_8: OTY27QIJ

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/OTY27QIJ4GEW5VZ2BLESBDS6H7 \
  | 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: 74f1afc109e1896ed73a0ac9208e5e3fe4c93a59f5f7594b39c903b9ed8f18b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4b1685e2e3080f5847af6a79a13235a671cde08c2324501d924e6f23be86c1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-06T12:53:13Z",
    "title_canon_sha256": "4ad04f3d1f83997bd54806c4438b6244694e7fdf0a86a87740e03a6e683cf7f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1671",
    "kind": "arxiv",
    "version": 1
  }
}