Pith Number

pith:AB2BJOWB

pith:2016:AB2BJOWBLT23YVZSN4RN43XSBG

not attested not anchored not stored refs pending

Improved Approximation for Node-Disjoint Paths in Planar Graphs

David H. K. Kim, Julia Chuzhoy, Shi Li

arxiv:1603.05520 v1 · 2016-03-17 · 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{AB2BJOWBLT23YVZSN4RN43XSBG}

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	2026-05-18T01:18:56.167753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

007414bac15cf5bc57326f22de6ef2098da07d7b84fd7cac15d86bcd2305a907

Aliases

arxiv: 1603.05520 · arxiv_version: 1603.05520v1 · doi: 10.48550/arxiv.1603.05520 · pith_short_12: AB2BJOWBLT23 · pith_short_16: AB2BJOWBLT23YVZS · pith_short_8: AB2BJOWB

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/AB2BJOWBLT23YVZSN4RN43XSBG \
  | 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: 007414bac15cf5bc57326f22de6ef2098da07d7b84fd7cac15d86bcd2305a907

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e2caeae6e2b884da1d3a481f1763f56a5f205280d9e9048e0d038388462a2c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-03-17T14:57:12Z",
    "title_canon_sha256": "30747ae44c4516e2138c6740cd5c14b8e8e16ad5e48cc5a722ee733e467fdbca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05520",
    "kind": "arxiv",
    "version": 1
  }
}