Pith Number

pith:2YLCOTPZ

pith:2013:2YLCOTPZAAOQF6XPBRDADIB6IF

not attested not anchored not stored refs pending

Algebraic Algorithms for b-Matching, Shortest Undirected Paths, and f-Factors

Harold N. Gabow, Piotr Sankowski

arxiv:1304.6740 v1 · 2013-04-24 · 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{2YLCOTPZAAOQF6XPBRDADIB6IF}

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	2026-05-18T03:27:11.975736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d616274df9001d02faef0c4601a03e415c0dc8230e92e0efaee7b714abfe4a80

Aliases

arxiv: 1304.6740 · arxiv_version: 1304.6740v1 · doi: 10.48550/arxiv.1304.6740 · pith_short_12: 2YLCOTPZAAOQ · pith_short_16: 2YLCOTPZAAOQF6XP · pith_short_8: 2YLCOTPZ

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/2YLCOTPZAAOQF6XPBRDADIB6IF \
  | 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: d616274df9001d02faef0c4601a03e415c0dc8230e92e0efaee7b714abfe4a80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bba020905a7d0a85dab850b8bbfb8ece566ec266f5b34862d3f9c574903a56d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-04-24T20:26:13Z",
    "title_canon_sha256": "d6ac0f36cc327945865b1dfcafcb45b517d2ae6d56fa0a1e255e7e0ce53f8edd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6740",
    "kind": "arxiv",
    "version": 1
  }
}