Pith Number

pith:BY4D5IPO

pith:2008:BY4D5IPOCLZGYUGNYNHPCFHZ4R

not attested not anchored not stored refs pending

Optimal Node Density for Two-Dimensional Sensor Arrays

Heejung Yu, H. Vincent Poor, Youngchul Sung

arxiv:0805.1262 v1 · 2008-05-09 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BY4D5IPOCLZGYUGNYNHPCFHZ4R}

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	2026-05-18T00:58:48.575101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e383ea1ee12f26c50cdc34ef114f9e457da0c24dc62a34300e0034804870f05

Aliases

arxiv: 0805.1262 · arxiv_version: 0805.1262v1 · doi: 10.48550/arxiv.0805.1262 · pith_short_12: BY4D5IPOCLZG · pith_short_16: BY4D5IPOCLZGYUGN · pith_short_8: BY4D5IPO

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/BY4D5IPOCLZGYUGNYNHPCFHZ4R \
  | 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: 0e383ea1ee12f26c50cdc34ef114f9e457da0c24dc62a34300e0034804870f05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92228823d6e5a9c7ac23e62544ab90c40d6a054e997c8ae283ee36df00528a15",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-05-09T02:21:37Z",
    "title_canon_sha256": "13853df57714eb485f43b607c7d4fc92de748fd223fad259640312019a8fb96f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.1262",
    "kind": "arxiv",
    "version": 1
  }
}