Pith Number

pith:NR3KVTFV

pith:2009:NR3KVTFV74NWRZHAN2BKPLXA2H

not attested not anchored not stored refs pending

PageRank Optimization by Edge Selection

Bal\'azs Csan\'ad Cs\'aji, Rapha\"el M. Jungers, Vincent D. Blondel

arxiv:0911.2280 v2 · 2009-11-12 · cs.DS · cs.CC · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NR3KVTFV74NWRZHAN2BKPLXA2H}

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	2026-05-18T02:51:25.748138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c76aaccb5ff1b68e4e06e82a7aee0d1f14eda9f253a961124dde504b5fc6f4b

Aliases

arxiv: 0911.2280 · arxiv_version: 0911.2280v2 · doi: 10.48550/arxiv.0911.2280 · pith_short_12: NR3KVTFV74NW · pith_short_16: NR3KVTFV74NWRZHA · pith_short_8: NR3KVTFV

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/NR3KVTFV74NWRZHAN2BKPLXA2H \
  | 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: 6c76aaccb5ff1b68e4e06e82a7aee0d1f14eda9f253a961124dde504b5fc6f4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc6ddbb6abace8c8ec4421b85b81f6202babf0f11357e65bcfa9948942c61ff7",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2009-11-12T12:57:09Z",
    "title_canon_sha256": "9ca97ef9806701675c5f955455b006b21622f1c791dd59f86e45e38995651a58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2280",
    "kind": "arxiv",
    "version": 2
  }
}