Pith Number

pith:NTH2NDW4

pith:2007:NTH2NDW4UB4GU7C4YBQXLRGKVP

not attested not anchored not stored refs pending

Complex Datasets and Inverse Problems. Tomography, Networks and Beyond

Cun-Hui Zhang, Regina Liu, William Strawderman

arxiv:0708.1130 v1 · 2007-08-08 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NTH2NDW4UB4GU7C4YBQXLRGKVP}

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	2026-07-04T15:03:43.560026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ccfa68edca0786a7c5cc06175c4caabc3d64b38eabbbdceb9a03582a0284b56

Aliases

arxiv: 0708.1130 · arxiv_version: 0708.1130v1 · doi: 10.48550/arxiv.0708.1130 · pith_short_12: NTH2NDW4UB4G · pith_short_16: NTH2NDW4UB4GU7C4 · pith_short_8: NTH2NDW4

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/NTH2NDW4UB4GU7C4YBQXLRGKVP \
  | 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: 6ccfa68edca0786a7c5cc06175c4caabc3d64b38eabbbdceb9a03582a0284b56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "942c714ab47a44b2ed6319bc3bca599281d542a66590228515f3fd67f7651a52",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "math.ST",
    "submitted_at": "2007-08-08T15:28:13Z",
    "title_canon_sha256": "6e52ba72dd88c7d397ade8447310f953e091f0619002408ce4d947aebf685e2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.1130",
    "kind": "arxiv",
    "version": 1
  }
}