Pith Number

pith:6XSX4VDF

pith:2013:6XSX4VDFOSGQWXAQGITWFIRFID

not attested not anchored not stored refs pending

A Quasi-Polynomial Time Partition Oracle for Graphs with an Excluded Minor

Dana Ron, Reut Levi

arxiv:1302.3417 v1 · 2013-02-14 · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6XSX4VDFOSGQWXAQGITWFIRFID}

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	2026-05-18T03:33:38.985445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5e57e5465748d0b5c10322762a22540c51401284c0f5cf534ddf09b6b8b66c5

Aliases

arxiv: 1302.3417 · arxiv_version: 1302.3417v1 · doi: 10.48550/arxiv.1302.3417 · pith_short_12: 6XSX4VDFOSGQ · pith_short_16: 6XSX4VDFOSGQWXAQ · pith_short_8: 6XSX4VDF

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/6XSX4VDFOSGQWXAQGITWFIRFID \
  | 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: f5e57e5465748d0b5c10322762a22540c51401284c0f5cf534ddf09b6b8b66c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b644f551b5ca6d17d904bb941427b0de8f999a5fa727f8f0c286a98b790c125c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-02-14T14:51:29Z",
    "title_canon_sha256": "5a2c211e0f3274d5b676af3931957cf9c416c53e760a6619257c34b512103eac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3417",
    "kind": "arxiv",
    "version": 1
  }
}