Pith Number

pith:FRO5W3S4

pith:2012:FRO5W3S4UC7SK7VHD2ESCRGGLY

not attested not anchored not stored refs pending

Regularization of constrained maximum likelihood iterative algorithms by means of statistical stopping rule

Federico Benvenuto, Michele Piana

arxiv:1212.3258 v1 · 2012-12-13 · math.NA · astro-ph.HE · astro-ph.IM · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRO5W3S4UC7SK7VHD2ESCRGGLY}

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	2026-05-18T03:38:33.427606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c5ddb6e5ca0bf257ea71e892144c65e067863f33b57e6c7a9735eede0a32a58

Aliases

arxiv: 1212.3258 · arxiv_version: 1212.3258v1 · doi: 10.48550/arxiv.1212.3258 · pith_short_12: FRO5W3S4UC7S · pith_short_16: FRO5W3S4UC7SK7VH · pith_short_8: FRO5W3S4

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/FRO5W3S4UC7SK7VHD2ESCRGGLY \
  | 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: 2c5ddb6e5ca0bf257ea71e892144c65e067863f33b57e6c7a9735eede0a32a58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "045e70cc06f6d0141ebfb5f1d923c6322fa49ee509117678ff4412ce46111d1a",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.IM",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-12-13T18:55:41Z",
    "title_canon_sha256": "2ea83a8dfeb36bc7b729a04d048ad9428b6915f1e5c4d3aa0aa0e1e925e03b72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3258",
    "kind": "arxiv",
    "version": 1
  }
}