Pith Number

pith:G6FAOX23

pith:2013:G6FAOX23O7XQ53QIX66AH3BKG6

not attested not anchored not stored refs pending

Interdiction Problems on Planar Graphs

Aaron Schild, Feng Pan

arxiv:1305.1407 v2 · 2013-05-07 · cs.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6FAOX23O7XQ53QIX66AH3BKG6}

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	2026-05-18T03:11:46.667840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

378a075f5b77ef0eee08bfbc03ec2a37826767007f26c926fcf4f372125adf71

Aliases

arxiv: 1305.1407 · arxiv_version: 1305.1407v2 · doi: 10.48550/arxiv.1305.1407 · pith_short_12: G6FAOX23O7XQ · pith_short_16: G6FAOX23O7XQ53QI · pith_short_8: G6FAOX23

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/G6FAOX23O7XQ53QIX66AH3BKG6 \
  | 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: 378a075f5b77ef0eee08bfbc03ec2a37826767007f26c926fcf4f372125adf71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "120a306089dcab7fd78eec63b36069a6da8260df4e8fb8584405412bd579b603",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-05-07T04:53:45Z",
    "title_canon_sha256": "73f0337b02948b0e42a28a3d35b886d29ade5e579adfd8051af7d1043bed764a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1407",
    "kind": "arxiv",
    "version": 2
  }
}