Pith Number

pith:ZO4PUWGL

pith:2021:ZO4PUWGLMDW46DW4IR4IJULEUT

not attested not anchored not stored refs pending

Unbiased Estimation of the Hessian for Partially Observed Diffusions

Ajay Jasra, Fangyuan Yu, Neil K. Chada

arxiv:2109.02371 v1 · 2021-09-06 · stat.ME · cs.NA · math.NA · 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{ZO4PUWGLMDW46DW4IR4IJULEUT}

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	2026-07-05T05:05:27.504564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbb8fa58cb60edcf0edc447884d164a4c9095091caf992f26b927236b9e15921

Aliases

arxiv: 2109.02371 · arxiv_version: 2109.02371v1 · doi: 10.48550/arxiv.2109.02371 · pith_short_12: ZO4PUWGLMDW4 · pith_short_16: ZO4PUWGLMDW46DW4 · pith_short_8: ZO4PUWGL

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/ZO4PUWGLMDW46DW4IR4IJULEUT \
  | 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: cbb8fa58cb60edcf0edc447884d164a4c9095091caf992f26b927236b9e15921

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db19217b77e017a4edc19d7dc3a8cdd60f3b4d38f2f715a449916077cf04b955",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-09-06T11:22:04Z",
    "title_canon_sha256": "bd1c81b6eedd0a900a56c583e96d4c688fb027aa32d0953a6ab8b0c929ff0a5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.02371",
    "kind": "arxiv",
    "version": 1
  }
}