Pith Number

pith:NM5FAWIP

pith:2018:NM5FAWIPZMZSN643PMI3UQQBNZ

not attested not anchored not stored refs pending

Nonlinear Explicit Stochastic Attitude Filter on SO(3)

Hashim A. Hashim, Kenneth McIsaac, Lyndon J. Brown

arxiv:1812.04441 v2 · 2018-12-08 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NM5FAWIPZMZSN643PMI3UQQBNZ}

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	2026-05-17T23:55:53.538660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b3a50590fcb3326fb9b7b11ba42016e637b2c3b93106af72581505d0bcb2fde

Aliases

arxiv: 1812.04441 · arxiv_version: 1812.04441v2 · doi: 10.48550/arxiv.1812.04441 · pith_short_12: NM5FAWIPZMZS · pith_short_16: NM5FAWIPZMZSN643 · pith_short_8: NM5FAWIP

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/NM5FAWIPZMZSN643PMI3UQQBNZ \
  | 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: 6b3a50590fcb3326fb9b7b11ba42016e637b2c3b93106af72581505d0bcb2fde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "468fde63962a7186430d6d75bf31f9110fae4e335e4fbddbd04f79da848c6d37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-12-08T02:42:46Z",
    "title_canon_sha256": "4837bc3a398fc5f8414bcf7f9d2b0cececa6df90572195eb1cbac0cb4c099596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.04441",
    "kind": "arxiv",
    "version": 2
  }
}