Pith Number

pith:E74HMYSO

pith:2020:E74HMYSOKKITL3736AEGVFNXRD

not attested not anchored not stored refs pending

Vertex Sparsification for Edge Connectivity in Polynomial Time

Yang P. Liu

arxiv:2011.15101 v2 · 2020-11-30 · 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{E74HMYSOKKITL3736AEGVFNXRD}

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.

Cited by

1 paper in Pith

Paths and Intersections: Recognizing Outerplanar Metrics

Receipt and verification

First computed	2026-07-05T02:06:53.277001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27f876624e529135effbf0086a95b788d0360bb3b269c23c97cfbe4c526d97ac

Aliases

arxiv: 2011.15101 · arxiv_version: 2011.15101v2 · doi: 10.48550/arxiv.2011.15101 · pith_short_12: E74HMYSOKKIT · pith_short_16: E74HMYSOKKITL373 · pith_short_8: E74HMYSO

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/E74HMYSOKKITL3736AEGVFNXRD \
  | 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: 27f876624e529135effbf0086a95b788d0360bb3b269c23c97cfbe4c526d97ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b91dd5aad6862e49eee7fff7924e6e5ecd50f600cbf929ac2bf9106ccb1e8b3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-11-30T18:33:16Z",
    "title_canon_sha256": "ed59b1c19826160b38c4497f2e5545d3f021143320a98f47136cdd0ebdad3ed6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.15101",
    "kind": "arxiv",
    "version": 2
  }
}