Pith Number

pith:MKRKRDRZ

pith:2011:MKRKRDRZCCWWGIHPVX643L2ZFB

not attested not anchored not stored refs pending

Scaling algorithms for approximate and exact maximum weight matching

Hsin-Hao Su, Ran Duan, Seth Pettie

arxiv:1112.0790 v1 · 2011-12-04 · 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{MKRKRDRZCCWWGIHPVX643L2ZFB}

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	2026-05-18T04:07:05.612462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62a2a88e3910ad6320efadfdcdaf592851ed772795060ada0ccef67835046b8d

Aliases

arxiv: 1112.0790 · arxiv_version: 1112.0790v1 · doi: 10.48550/arxiv.1112.0790 · pith_short_12: MKRKRDRZCCWW · pith_short_16: MKRKRDRZCCWWGIHP · pith_short_8: MKRKRDRZ

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/MKRKRDRZCCWWGIHPVX643L2ZFB \
  | 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: 62a2a88e3910ad6320efadfdcdaf592851ed772795060ada0ccef67835046b8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0eca9563f8a1b7fbd165e37fa8f9b226edaace21eaf90b7df84c26ccb02c5c99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-12-04T20:05:24Z",
    "title_canon_sha256": "da81c4c32386ed67b946f878769ec2dbdff69f483eb348fdcef2637cf0fa5031"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0790",
    "kind": "arxiv",
    "version": 1
  }
}