Pith Number

pith:LPZM5MMK

pith:2019:LPZM5MMK5DXVQRRLCWUHAOYAPK

not attested not anchored not stored refs pending

Space Efficient Approximation to Maximum Matching Size from Uniform Edge Samples

Ashkan Norouzi-Fard, Jakab Tardos, Michael Kapralov, Slobodan Mitrovi\'c

arxiv:1907.05725 v1 · 2019-07-12 · 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{LPZM5MMK5DXVQRRLCWUHAOYAPK}

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	2026-05-17T23:40:44.640016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bf2ceb18ae8ef58462b15a8703b007a95f5026a04228a49389bea29d29be8db

Aliases

arxiv: 1907.05725 · arxiv_version: 1907.05725v1 · doi: 10.48550/arxiv.1907.05725 · pith_short_12: LPZM5MMK5DXV · pith_short_16: LPZM5MMK5DXVQRRL · pith_short_8: LPZM5MMK

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/LPZM5MMK5DXVQRRLCWUHAOYAPK \
  | 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: 5bf2ceb18ae8ef58462b15a8703b007a95f5026a04228a49389bea29d29be8db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad8874762b66bb53a536caaae87c58610af7511876413cddaf27e28fd6cc0abe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-07-12T13:12:45Z",
    "title_canon_sha256": "781190c9591a5371e6b706ca2adff119b75b8fbfd548166f4b7b1275b496c939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05725",
    "kind": "arxiv",
    "version": 1
  }
}