Pith Number

pith:RJDDXMMO

pith:2013:RJDDXMMOWPEXIKGJADDVGKM5HN

not attested not anchored not stored refs pending

Near Linear Time Approximation Schemes for Uncapacitated and Capacitated b--Matching Problems in Nonbipartite Graphs

Kook Jin Ahn, Sudipto Guha

arxiv:1307.4355 v4 · 2013-07-16 · 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{RJDDXMMOWPEXIKGJADDVGKM5HN}

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	2026-05-18T00:13:08.433399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a463bb18eb3c97428c900c753299d3b78949127a92cadce639985d5c55721dd

Aliases

arxiv: 1307.4355 · arxiv_version: 1307.4355v4 · doi: 10.48550/arxiv.1307.4355 · pith_short_12: RJDDXMMOWPEX · pith_short_16: RJDDXMMOWPEXIKGJ · pith_short_8: RJDDXMMO

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/RJDDXMMOWPEXIKGJADDVGKM5HN \
  | 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: 8a463bb18eb3c97428c900c753299d3b78949127a92cadce639985d5c55721dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bbeb3aff9a034cd37b1ab35329a37dfeb6d33235d9d265d23a96f90a93aeef5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-07-16T17:43:07Z",
    "title_canon_sha256": "5fb858c00a81050be20b934ddd56fdc9d548274f71fef92d2188ee854390fd1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4355",
    "kind": "arxiv",
    "version": 4
  }
}