Pith Number

pith:NQNN5HYA

pith:2016:NQNN5HYASQFYMCJLSWJ3QTWBOK

not attested not anchored not stored refs pending

Estimating Weighted Matchings in $o(n)$ Space

Elena Grigorescu, Morteza Monemizadeh, Samson Zhou

arxiv:1604.07467 v3 · 2016-04-25 · 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{NQNN5HYASQFYMCJLSWJ3QTWBOK}

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	2026-05-18T01:06:20.699048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c1ade9f00940b86092b9593b84ec172be3b3e9592c6e3d4c7ae16987491112c

Aliases

arxiv: 1604.07467 · arxiv_version: 1604.07467v3 · doi: 10.48550/arxiv.1604.07467 · pith_short_12: NQNN5HYASQFY · pith_short_16: NQNN5HYASQFYMCJL · pith_short_8: NQNN5HYA

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/NQNN5HYASQFYMCJLSWJ3QTWBOK \
  | 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: 6c1ade9f00940b86092b9593b84ec172be3b3e9592c6e3d4c7ae16987491112c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de21de8f89d5caba8126179675eb8b64ad598052abd987a9a1851c1b70b6ef4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-04-25T22:52:38Z",
    "title_canon_sha256": "a2e36d4994a8f427ea3f10fbf8947d669375062b4a199b4056b214c2d40279c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07467",
    "kind": "arxiv",
    "version": 3
  }
}