Pith Number

pith:WIPD4YMB

pith:2015:WIPD4YMBKZCA22QRXKF3MXLZMR

not attested not anchored not stored refs pending

Approximate Maximum Likelihood Estimation

Andreas Futschik, Carolin Kosiol, Gregory Ewing, Johanna Bertl

arxiv:1507.04553 v1 · 2015-07-16 · 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{WIPD4YMBKZCA22QRXKF3MXLZMR}

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	2026-05-18T01:36:47.018882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b21e3e618156440d6a11ba8bb65d79644aebeebbf4789b850e5697eccda29932

Aliases

arxiv: 1507.04553 · arxiv_version: 1507.04553v1 · doi: 10.48550/arxiv.1507.04553 · pith_short_12: WIPD4YMBKZCA · pith_short_16: WIPD4YMBKZCA22QR · pith_short_8: WIPD4YMB

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/WIPD4YMBKZCA22QRXKF3MXLZMR \
  | 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: b21e3e618156440d6a11ba8bb65d79644aebeebbf4789b850e5697eccda29932

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16797ab9bab09f9b0ddf6793efbb5cfa665b948f71924d8eae25f2232efa9b84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2015-07-16T12:54:56Z",
    "title_canon_sha256": "e22d8fbd46d2139728de35d6f68ba88aa331311338789d9b05a05968ab861499"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04553",
    "kind": "arxiv",
    "version": 1
  }
}