Pith Number

pith:IUJLVW5R

pith:2015:IUJLVW5R4BE64QDP7ZRYVYSAYB

not attested not anchored not stored refs pending

Non-parametric estimation of Fisher information from real data

Alfons G. Hoekstra, Borja Mi\~nano, Omri Har Shemesh, Peter M. A. Sloot, Rick Quax

arxiv:1507.00964 v2 · 2015-07-03 · stat.CO · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUJLVW5R4BE64QDP7ZRYVYSAYB}

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	2026-05-18T01:20:36.310634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4512badbb1e049ee406ffe638ae240c06a1434e2d895511d2aa3cdd34ef76591

Aliases

arxiv: 1507.00964 · arxiv_version: 1507.00964v2 · doi: 10.48550/arxiv.1507.00964 · pith_short_12: IUJLVW5R4BE6 · pith_short_16: IUJLVW5R4BE64QDP · pith_short_8: IUJLVW5R

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/IUJLVW5R4BE64QDP7ZRYVYSAYB \
  | 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: 4512badbb1e049ee406ffe638ae240c06a1434e2d895511d2aa3cdd34ef76591

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d52a3fc1d033d3454cab28157887c6bd9323dc794a281b1c2b7c872d34643dd",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2015-07-03T16:29:17Z",
    "title_canon_sha256": "f374da4eac0a22d5966fdcf3498a8cbe653dcc01f53122fd66d0c87f85a1859b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00964",
    "kind": "arxiv",
    "version": 2
  }
}