Pith Number

pith:MALWILY3

pith:2009:MALWILY3BB3ZCHXA2PHNZ3WMPU

not attested not anchored not stored refs pending

Improved approximation guarantees for weighted matching in the semi-streaming model

Asaf Levin, Danny Segev, Julian Mestre, Leah Epstein

arxiv:0907.0305 v1 · 2009-07-02 · 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{MALWILY3BB3ZCHXA2PHNZ3WMPU}

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	2026-05-18T04:02:15.333071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6017642f1b0877911ee0d3cedceecc7d1dc4bedf66dfc6f1310651d15621c467

Aliases

arxiv: 0907.0305 · arxiv_version: 0907.0305v1 · doi: 10.48550/arxiv.0907.0305 · pith_short_12: MALWILY3BB3Z · pith_short_16: MALWILY3BB3ZCHXA · pith_short_8: MALWILY3

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/MALWILY3BB3ZCHXA2PHNZ3WMPU \
  | 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: 6017642f1b0877911ee0d3cedceecc7d1dc4bedf66dfc6f1310651d15621c467

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8443074ad2a6c03ed084d93df64ff57815c6d12d9bd02994129514a544fb411",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2009-07-02T08:11:22Z",
    "title_canon_sha256": "5f0a3a7f743a7ec167abd5a9557651303b259d5a0da2dfaabc59d9ee3cf715a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.0305",
    "kind": "arxiv",
    "version": 1
  }
}