Pith Number

pith:DX3FMQMM

pith:2009:DX3FMQMMW7MQML7Y6RBZX5T6XG

not attested not anchored not stored refs pending

On cost-effective communication network designing

Guoqiang Zhang

arxiv:0910.2104 v2 · 2009-10-12 · cs.NI · physics.gen-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{DX3FMQMMW7MQML7Y6RBZX5T6XG}

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	2026-05-18T02:11:24.683639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1df656418cb7d9062ff8f4439bf67eb9b50188b6820ce053d97c74c1ac16f079

Aliases

arxiv: 0910.2104 · arxiv_version: 0910.2104v2 · doi: 10.48550/arxiv.0910.2104 · pith_short_12: DX3FMQMMW7MQ · pith_short_16: DX3FMQMMW7MQML7Y · pith_short_8: DX3FMQMM

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/DX3FMQMMW7MQML7Y6RBZX5T6XG \
  | 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: 1df656418cb7d9062ff8f4439bf67eb9b50188b6820ce053d97c74c1ac16f079

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b81a5924a4ef7f29cf9056943d6472384cc40d8c95b5c4dc95c3caf704bf982",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2009-10-12T08:34:43Z",
    "title_canon_sha256": "00e1fd5991ce665ee89b9f6e6435d4915f77252408db4f35a9dc86f4536cbc49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2104",
    "kind": "arxiv",
    "version": 2
  }
}