Pith Number

pith:UOKAK3TO

pith:2016:UOKAK3TOVDYFRRC626F2POOHTH

not attested not anchored not stored refs pending

Automatic numerical differentiation by maximum likelihood estimation of state-space model

Robert Piche

arxiv:1610.04397 v1 · 2016-10-14 · stat.ME · 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{UOKAK3TOVDYFRRC626F2POOHTH}

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	2026-05-18T01:02:15.348801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a394056e6ea8f058c45ed78ba7b9c799cc21be9e064822e51b5bedd7c25b624c

Aliases

arxiv: 1610.04397 · arxiv_version: 1610.04397v1 · doi: 10.48550/arxiv.1610.04397 · pith_short_12: UOKAK3TOVDYF · pith_short_16: UOKAK3TOVDYFRRC6 · pith_short_8: UOKAK3TO

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/UOKAK3TOVDYFRRC626F2POOHTH \
  | 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: a394056e6ea8f058c45ed78ba7b9c799cc21be9e064822e51b5bedd7c25b624c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0edfec898e0aededa27fd051cd7227efab392ea78a9d61f5c98fd1964fe974da",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-10-14T10:28:12Z",
    "title_canon_sha256": "5d0cb7056a0e918a93891c65259b0dfdc101d81a3aa58f09bdf7d7e90df86107"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04397",
    "kind": "arxiv",
    "version": 1
  }
}