Pith Number

pith:TJIRQ4OW

pith:2011:TJIRQ4OWUDDO4BQXKBHDN4N3UV

not attested not anchored not stored refs pending

A Path Algorithm for Constrained Estimation

Hua Zhou, Kenneth Lange

arxiv:1103.3738 v1 · 2011-03-19 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJIRQ4OWUDDO4BQXKBHDN4N3UV}

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	2026-05-18T03:10:00.734468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a511871d6a0c6ee0617504e36f1bba554f0c03a59bc5c152c3e8d1aa7718cb8

Aliases

arxiv: 1103.3738 · arxiv_version: 1103.3738v1 · doi: 10.48550/arxiv.1103.3738 · pith_short_12: TJIRQ4OWUDDO · pith_short_16: TJIRQ4OWUDDO4BQX · pith_short_8: TJIRQ4OW

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/TJIRQ4OWUDDO4BQXKBHDN4N3UV \
  | 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: 9a511871d6a0c6ee0617504e36f1bba554f0c03a59bc5c152c3e8d1aa7718cb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d49e30c00f78ab9ccf555985ed2c8d9ce87ea8f688a1bb92b59a4f495f2d54cf",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2011-03-19T01:27:52Z",
    "title_canon_sha256": "d89249411ab875c1f271540453237f1550e367410b17a81a45002668b9f2f051"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3738",
    "kind": "arxiv",
    "version": 1
  }
}