Pith Number

pith:ACRJPU26

pith:2019:ACRJPU26MHQKFUZHYPCZJII5ZT

not attested not anchored not stored refs pending

Reoptimization of Path Vertex Cover Problem

Amit Kumar, C. Pandu Rangan, Mehul Kumar

arxiv:1904.10719 v1 · 2019-04-24 · 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{ACRJPU26MHQKFUZHYPCZJII5ZT}

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	2026-05-17T23:47:50.202810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00a297d35e61e0a2d327c3c594a11dcce344fa710fc19f7fd37424a6d4a7f0a5

Aliases

arxiv: 1904.10719 · arxiv_version: 1904.10719v1 · doi: 10.48550/arxiv.1904.10719 · pith_short_12: ACRJPU26MHQK · pith_short_16: ACRJPU26MHQKFUZH · pith_short_8: ACRJPU26

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/ACRJPU26MHQKFUZHYPCZJII5ZT \
  | 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: 00a297d35e61e0a2d327c3c594a11dcce344fa710fc19f7fd37424a6d4a7f0a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3498ec8e7d4a223b5935a51bf190c3d9b85a4fda7ec27a1f5438e13a4d0a4792",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-04-24T09:49:59Z",
    "title_canon_sha256": "ed3670d96845942fe5682046bdd10f88f8f58064b91bf265d7bfc874b76a21c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10719",
    "kind": "arxiv",
    "version": 1
  }
}