Pith Number

pith:R3DNZHJT

pith:2007:R3DNZHJTXKEEUGFHLKJCKSO4HX

not attested not anchored not stored refs pending

Finding large and small dense subgraphs

Reid Andersen

arxiv:cs/0702032 v1 · 2007-02-05 · 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{R3DNZHJTXKEEUGFHLKJCKSO4HX}

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.

Cited by

2 papers in Pith

A Note on Approximability of Densest At-Least-k-Subgraph

Fast and Simple Densest Subgraph with Predictions

Receipt and verification

First computed	2026-07-04T14:59:14.551575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ec6dc9d33ba884a18a75a922549dc3dd70aa13b0f6e0288870338434c127789

Aliases

arxiv: cs/0702032 · arxiv_version: cs/0702032v1 · doi: 10.48550/arxiv.cs/0702032 · pith_short_12: R3DNZHJTXKEE · pith_short_16: R3DNZHJTXKEEUGFH · pith_short_8: R3DNZHJT

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/R3DNZHJTXKEEUGFHLKJCKSO4HX \
  | 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: 8ec6dc9d33ba884a18a75a922549dc3dd70aa13b0f6e0288870338434c127789

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffb41876d99bdfcf270c0c0500fad57265615993d6d5f94ce112a0cc1ab4df14",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.DS",
    "submitted_at": "2007-02-05T19:29:38Z",
    "title_canon_sha256": "cf55a7dce8792c939bafc409529d18cf346f4e62929ab34edf9a7486b084b84d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0702032",
    "kind": "arxiv",
    "version": 1
  }
}