Pith Number

pith:HBQNHF7W

pith:2019:HBQNHF7WAI5W5QOLXVMX3CSUJ6

not attested not anchored not stored refs pending

The Fast Heuristic Algorithms and Post-Processing Techniques to Design Large and Low-Cost Communication Networks

Doreen Thomas, Marcus Brazil, Saman Halgamuge, Yahui Sun

arxiv:1902.01939 v1 · 2019-01-09 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBQNHF7WAI5W5QOLXVMX3CSUJ6}

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	2026-05-17T23:54:38.284253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3860d397f6023b6ec1cbbd597d8a544f85206ea4df3a6a69e20e87200e5fdbec

Aliases

arxiv: 1902.01939 · arxiv_version: 1902.01939v1 · doi: 10.48550/arxiv.1902.01939 · pith_short_12: HBQNHF7WAI5W · pith_short_16: HBQNHF7WAI5W5QOL · pith_short_8: HBQNHF7W

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/HBQNHF7WAI5W5QOLXVMX3CSUJ6 \
  | 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: 3860d397f6023b6ec1cbbd597d8a544f85206ea4df3a6a69e20e87200e5fdbec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2b60c4bb06bada3345e7779cd27502e891636c556603276781d08deae090e84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-01-09T01:00:28Z",
    "title_canon_sha256": "652eb098539ab99b48a45fdce0d8e501ecaa58798c6f25f7a1576f6d3918739d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01939",
    "kind": "arxiv",
    "version": 1
  }
}