Pith Number

pith:V5JDDXV4

pith:2017:V5JDDXV4DVLH22UV6X42DSNABD

not attested not anchored not stored refs pending

Almost Polynomial Hardness of Node-Disjoint Paths in Grids

David H. K. Kim, Julia Chuzhoy, Rachit Nimavat

arxiv:1711.01980 v1 · 2017-11-06 · 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{V5JDDXV4DVLH22UV6X42DSNABD}

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	2026-05-18T00:31:16.410987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af5231debc1d567d6a95f5f9a1c9a008eed6a66d09cb9738222004ec65b90c97

Aliases

arxiv: 1711.01980 · arxiv_version: 1711.01980v1 · doi: 10.48550/arxiv.1711.01980 · pith_short_12: V5JDDXV4DVLH · pith_short_16: V5JDDXV4DVLH22UV · pith_short_8: V5JDDXV4

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/V5JDDXV4DVLH22UV6X42DSNABD \
  | 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: af5231debc1d567d6a95f5f9a1c9a008eed6a66d09cb9738222004ec65b90c97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7789f3726ad1762f569a60b2a3376ea73ae1af1636b4c7e26b351481c651e026",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-11-06T16:06:10Z",
    "title_canon_sha256": "d6c37e423299a62fa44c852ab491def5a89b6b016c00d297ca8aca93e7416dd0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01980",
    "kind": "arxiv",
    "version": 1
  }
}