Pith Number

pith:VJHVNFQX

pith:2020:VJHVNFQXM4LSPL75RGCYKD75VA

not attested not anchored not stored refs pending

A $4/3$-Approximation Algorithm for the Minimum $2$-Edge Connected Multisubgraph Problem in the Half-Integral Case

J.Cheriyan, L.Grout, L.Wang, R.Cummings, S.Boyd, S.Ibrahimpur, Z.Szigeti

arxiv:2008.03327 v1 · 2020-08-07 · 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{VJHVNFQXM4LSPL75RGCYKD75VA}

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	2026-07-05T01:25:40.619483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa4f569617671727affd8985850ffda8018e776d25170408c55e4638fb23b261

Aliases

arxiv: 2008.03327 · arxiv_version: 2008.03327v1 · doi: 10.48550/arxiv.2008.03327 · pith_short_12: VJHVNFQXM4LS · pith_short_16: VJHVNFQXM4LSPL75 · pith_short_8: VJHVNFQX

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/VJHVNFQXM4LSPL75RGCYKD75VA \
  | 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: aa4f569617671727affd8985850ffda8018e776d25170408c55e4638fb23b261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3894247bb2c970b87ec501d1b0ed91d6d2f5fd15980b49e72b25ad70fde44ab2",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2020-08-07T18:20:39Z",
    "title_canon_sha256": "dd22700032d8045c66d23319ee60c9784155529cc27d50036d7f355536d0fce0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.03327",
    "kind": "arxiv",
    "version": 1
  }
}