Pith Number

pith:MZKNBPQV

pith:2012:MZKNBPQV7LFKJKCDKDKCR7YG2E

not attested not anchored not stored refs pending

Approximation Algorithms for Online Weighted Rank Function Maximization under Matroid Constraints

Joseph (Seffi) Naor, Mohit Singh, Niv Buchbinder, R. Ravi

arxiv:1205.1477 v1 · 2012-05-07 · 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{MZKNBPQV7LFKJKCDKDKCR7YG2E}

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	2026-05-18T03:56:11.100208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6654d0be15facaa4a84350d428ff06d11982119b44b74e56ed61f9b40f518748

Aliases

arxiv: 1205.1477 · arxiv_version: 1205.1477v1 · doi: 10.48550/arxiv.1205.1477 · pith_short_12: MZKNBPQV7LFK · pith_short_16: MZKNBPQV7LFKJKCD · pith_short_8: MZKNBPQV

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/MZKNBPQV7LFKJKCDKDKCR7YG2E \
  | 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: 6654d0be15facaa4a84350d428ff06d11982119b44b74e56ed61f9b40f518748

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "412ddc3b1b7b480248523dc1054936ee78e0aa9174f52c7d49c5ebce5f1bc3f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-05-07T18:42:05Z",
    "title_canon_sha256": "e1a4e8eeb70cb0941fe09c2ff3431ab8ef077bde7111e3d1a04d9130e6bafb3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1477",
    "kind": "arxiv",
    "version": 1
  }
}