Pith Number

pith:DAP6YHW4

pith:2012:DAP6YHW4QYZ6VBM6BLISL5PBZ7

not attested not anchored not stored refs pending

Online submodular welfare maximization: Greedy is optimal

Ian Post, Jan Vondrak, Michael Kapralov

arxiv:1204.1025 v2 · 2012-04-04 · 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{DAP6YHW4QYZ6VBM6BLISL5PBZ7}

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	2026-05-18T03:35:02.142453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

181fec1edc8633ea859e0ad125f5e1cffeb6fa18e4ba2c740b873d5021dbea15

Aliases

arxiv: 1204.1025 · arxiv_version: 1204.1025v2 · doi: 10.48550/arxiv.1204.1025 · pith_short_12: DAP6YHW4QYZ6 · pith_short_16: DAP6YHW4QYZ6VBM6 · pith_short_8: DAP6YHW4

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/DAP6YHW4QYZ6VBM6BLISL5PBZ7 \
  | 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: 181fec1edc8633ea859e0ad125f5e1cffeb6fa18e4ba2c740b873d5021dbea15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0327ec0f831eb8d94ee71289c04b21e29af1c50e7527c88f18622dd909d9110",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-04-04T18:43:31Z",
    "title_canon_sha256": "4ab3c6ae04e8bb2294ea8e321d1cb81162799874693960929ff9da9ffa663410"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1025",
    "kind": "arxiv",
    "version": 2
  }
}