Pith Number

pith:V6H5EEE4

pith:2011:V6H5EEE4SFFVID434VFGZW24ZW

not attested not anchored not stored refs pending

A load balancing strategy for parallel computation of sparse permanents

Fengshan Bai, Heng Liang, Lei Wang, Yan Huo

arxiv:1112.6072 v2 · 2011-12-28 · math.NA · math.CO · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6H5EEE4SFFVID434VFGZW24ZW}

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	2026-05-18T04:02:24.847018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af8fd2109c914b540f9be54a6cdb5ccd83d04d0c9a8e7ca15b90bfb2b72b8928

Aliases

arxiv: 1112.6072 · arxiv_version: 1112.6072v2 · doi: 10.48550/arxiv.1112.6072 · pith_short_12: V6H5EEE4SFFV · pith_short_16: V6H5EEE4SFFVID43 · pith_short_8: V6H5EEE4

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/V6H5EEE4SFFVID434VFGZW24ZW \
  | 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: af8fd2109c914b540f9be54a6cdb5ccd83d04d0c9a8e7ca15b90bfb2b72b8928

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7d0a51f3769437d0648a538e534e9a846d31cdbf521f83f8e4183745973ce9a",
    "cross_cats_sorted": [
      "math.CO",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-12-28T07:13:18Z",
    "title_canon_sha256": "eecd702b417bd1a2330ec35c17dd787d7b43b8ab7036bb41165c58d2c20c0e14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.6072",
    "kind": "arxiv",
    "version": 2
  }
}