Pith Number

pith:MWPLWVQ2

pith:2012:MWPLWVQ2MUW77MJEICFHSIBA57

not attested not anchored not stored refs pending

Towards Optimal Degree-distributions for Left-perfect Matchings in Random Bipartite Graphs

Martin Dietzfelbinger, Michael Rink

arxiv:1203.1506 v2 · 2012-03-07 · cs.DM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MWPLWVQ2MUW77MJEICFHSIBA57}

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	2026-05-18T03:56:47.387066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

659ebb561a652dffb124408a792020efcae629662f6e553ccd66d270c6fd4052

Aliases

arxiv: 1203.1506 · arxiv_version: 1203.1506v2 · doi: 10.48550/arxiv.1203.1506 · pith_short_12: MWPLWVQ2MUW7 · pith_short_16: MWPLWVQ2MUW77MJE · pith_short_8: MWPLWVQ2

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/MWPLWVQ2MUW77MJEICFHSIBA57 \
  | 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: 659ebb561a652dffb124408a792020efcae629662f6e553ccd66d270c6fd4052

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f002da2a46055cfb0cbe69252cec4f7c4d0bf01946f2c97568c0d4ba198300b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-03-07T15:48:24Z",
    "title_canon_sha256": "a5d8175dc964c5cc8ea2233ab37806a0723c479e52259f626ccc0c65a9f366aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1506",
    "kind": "arxiv",
    "version": 2
  }
}