Pith Number

pith:4HQ2SNNE

pith:2012:4HQ2SNNE6QNRSQI5P4IZNMPCBN

not attested not anchored not stored refs pending

A Rounding by Sampling Approach to the Minimum Size k-Arc Connected Subgraph Problem

Bundit Laekhanukit, Mohit Singh, Shayan Oveis Gharan

arxiv:1205.1262 v2 · 2012-05-07 · cs.DS · 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{4HQ2SNNE6QNRSQI5P4IZNMPCBN}

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	2026-05-18T03:56:10.102427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e1a935a4f41b19411d7f1196b1e20b78b445015b95e51258cf9bb1556330be

Aliases

arxiv: 1205.1262 · arxiv_version: 1205.1262v2 · doi: 10.48550/arxiv.1205.1262 · pith_short_12: 4HQ2SNNE6QNR · pith_short_16: 4HQ2SNNE6QNRSQI5 · pith_short_8: 4HQ2SNNE

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/4HQ2SNNE6QNRSQI5P4IZNMPCBN \
  | 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: e1e1a935a4f41b19411d7f1196b1e20b78b445015b95e51258cf9bb1556330be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75f0f4f1098cc98141492a8711a4f5fbb9e663e1845ab20a8a6c78e1d9070c54",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-05-07T00:53:53Z",
    "title_canon_sha256": "25244b9495b0cfa7d0e21a080b10abe589c040e5b0c089fec723b7e39738f88b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1262",
    "kind": "arxiv",
    "version": 2
  }
}