Pith Number

pith:5ZIEHW2N

pith:2015:5ZIEHW2NZBZ77DXTEXLEFQTD5K

not attested not anchored not stored refs pending

If the Current Clique Algorithms are Optimal, so is Valiant's Parser

Amir Abboud, Arturs Backurs, Virginia Vassilevska Williams

arxiv:1504.01431 v2 · 2015-04-06 · cs.CC · 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{5ZIEHW2NZBZ77DXTEXLEFQTD5K}

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	2026-05-18T01:27:46.181856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee5043db4dc873ff8ef325d642c263eab68044f0948715d1820f10fbe2901f03

Aliases

arxiv: 1504.01431 · arxiv_version: 1504.01431v2 · doi: 10.48550/arxiv.1504.01431 · pith_short_12: 5ZIEHW2NZBZ7 · pith_short_16: 5ZIEHW2NZBZ77DXT · pith_short_8: 5ZIEHW2N

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/5ZIEHW2NZBZ77DXTEXLEFQTD5K \
  | 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: ee5043db4dc873ff8ef325d642c263eab68044f0948715d1820f10fbe2901f03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c53b1dcbb61523e2c7809da1c88ebc389acddaaa8848ca558b0e0aca15ce0a99",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-04-06T22:21:59Z",
    "title_canon_sha256": "3b9e86667fbcad320e94cbf86873bb3e1988e6111af3131b0c5318bbe05b563f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01431",
    "kind": "arxiv",
    "version": 2
  }
}