Pith Number

pith:D4PRDBJ6

pith:2009:D4PRDBJ6U2V7EBHCXJLB3KSVR7

not attested not anchored not stored refs pending

A Dynamic Programming Approach for Approximate Uniform Generation of Binary Matrices with Specified Margins

Matthew T. Harrison

arxiv:0906.1004 v2 · 2009-06-04 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D4PRDBJ6U2V7EBHCXJLB3KSVR7}

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	2026-05-18T03:35:36.905838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f1f11853ea6abf204e2ba561daa558fff924f84a88c0b5bda16ba6c7a927297

Aliases

arxiv: 0906.1004 · arxiv_version: 0906.1004v2 · doi: 10.48550/arxiv.0906.1004 · pith_short_12: D4PRDBJ6U2V7 · pith_short_16: D4PRDBJ6U2V7EBHC · pith_short_8: D4PRDBJ6

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/D4PRDBJ6U2V7EBHCXJLB3KSVR7 \
  | 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: 1f1f11853ea6abf204e2ba561daa558fff924f84a88c0b5bda16ba6c7a927297

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94df7a6b972e477cec19a2a824b0fd2ed85276c8f283119fa0fa586eb923081c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2009-06-04T21:36:56Z",
    "title_canon_sha256": "b578e91480b6aaa1efc7dab2199c15f31cb122d8c131ea0a71c40c5486234ca2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1004",
    "kind": "arxiv",
    "version": 2
  }
}