Pith Number

pith:TFRLPHIG

pith:2013:TFRLPHIGIV2GIAIN5TRRJ5FPRQ

not attested not anchored not stored refs pending

A Local Computation Approximation Scheme to Maximum Matching

Shai Vardi, Yishay Mansour

arxiv:1306.5003 v1 · 2013-06-20 · 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{TFRLPHIGIV2GIAIN5TRRJ5FPRQ}

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	2026-05-18T03:20:19.988371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9962b79d06457464010dece314f4af8c36ec7868af316fd38bcab7945dc6c619

Aliases

arxiv: 1306.5003 · arxiv_version: 1306.5003v1 · doi: 10.48550/arxiv.1306.5003 · pith_short_12: TFRLPHIGIV2G · pith_short_16: TFRLPHIGIV2GIAIN · pith_short_8: TFRLPHIG

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/TFRLPHIGIV2GIAIN5TRRJ5FPRQ \
  | 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: 9962b79d06457464010dece314f4af8c36ec7868af316fd38bcab7945dc6c619

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f1b1f6d56a96096d93d105841f76ac0b42da4c6db82b8c16959f93d3fe68aa3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-06-20T21:31:14Z",
    "title_canon_sha256": "a9df5180a3832acd73771a3c744d4c9619ac5caf0e43307fcdd330723e88b307"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5003",
    "kind": "arxiv",
    "version": 1
  }
}