Pith Number

pith:R7CFQ7BP

pith:2020:R7CFQ7BP6BJCEJ5LSOYZ5HFTVL

not attested not anchored not stored refs pending

Induced Disjoint Paths in AT-free Graphs

Dani\"el Paulusma, Erik Jan van Leeuwen, Petr A. Golovach

arxiv:2012.09814 v2 · 2020-12-17 · cs.DS · cs.CC · cs.DM · 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{R7CFQ7BP6BJCEJ5LSOYZ5HFTVL}

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	2026-07-05T03:26:14.542016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fc4587c2ff0522227ab93b19e9cb3aae52f0226570a52ab9bdf7dccc27a5293

Aliases

arxiv: 2012.09814 · arxiv_version: 2012.09814v2 · doi: 10.48550/arxiv.2012.09814 · pith_short_12: R7CFQ7BP6BJC · pith_short_16: R7CFQ7BP6BJCEJ5L · pith_short_8: R7CFQ7BP

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/R7CFQ7BP6BJCEJ5LSOYZ5HFTVL \
  | 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: 8fc4587c2ff0522227ab93b19e9cb3aae52f0226570a52ab9bdf7dccc27a5293

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60d5f0fa855246ec67271ab2a22e24aea6e47dd91c4cd668f2b55a489821c219",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-12-17T18:32:25Z",
    "title_canon_sha256": "ec16aa33c30c6f7137abfff4594690652a0ae488e42866b224ba1f2220030fbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.09814",
    "kind": "arxiv",
    "version": 2
  }
}