Pith Number

pith:BU7LHUMH

pith:2007:BU7LHUMHSOGZ2ZUWVHB6BHKF5G

not attested not anchored not stored refs pending

An iterative tomogravity algorithm for the estimation of network traffic

Cun-Hui Zhang, Jiangang Fang, Yehuda Vardi

arxiv:0708.0945 v1 · 2007-08-07 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BU7LHUMHSOGZ2ZUWVHB6BHKF5G}

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	2026-07-04T15:03:43.401724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d3eb3d187938d9d6696a9c3e09d45e9a1c36d1693db8039cccfb413f0940973

Aliases

arxiv: 0708.0945 · arxiv_version: 0708.0945v1 · doi: 10.48550/arxiv.0708.0945 · pith_short_12: BU7LHUMHSOGZ · pith_short_16: BU7LHUMHSOGZ2ZUW · pith_short_8: BU7LHUMH

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/BU7LHUMHSOGZ2ZUWVHB6BHKF5G \
  | 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: 0d3eb3d187938d9d6696a9c3e09d45e9a1c36d1693db8039cccfb413f0940973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f8b7b7438df4321741f88db90c9b69a64419ae0c3ed56bfe7487d87e2bfc919",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "stat.AP",
    "submitted_at": "2007-08-07T12:56:41Z",
    "title_canon_sha256": "e196245ffee30f7d2425d51f222b9f7d1c020e22ee8fbdbf544b01ac8744a8a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.0945",
    "kind": "arxiv",
    "version": 1
  }
}