Pith Number

pith:AEFL34SO

pith:2022:AEFL34SOAMIFBJNNQLSHZUQXHB

not attested not anchored not stored refs pending

A summary on the UD Kalman Filter

J. Humberto Ramos, John E. Hurtado, Kevin Brink, Prashant Ganesh

arxiv:2203.06105 v2 · 2022-03-11 · eess.SY · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AEFL34SOAMIFBJNNQLSHZUQXHB}

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	2026-07-05T04:35:59.437044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

010abdf24e031050a5ad82e47cd217384470ed3c333dd598bbd9c3631c6901bf

Aliases

arxiv: 2203.06105 · arxiv_version: 2203.06105v2 · doi: 10.48550/arxiv.2203.06105 · pith_short_12: AEFL34SOAMIF · pith_short_16: AEFL34SOAMIFBJNN · pith_short_8: AEFL34SO

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/AEFL34SOAMIFBJNNQLSHZUQXHB \
  | 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: 010abdf24e031050a5ad82e47cd217384470ed3c333dd598bbd9c3631c6901bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dacf43bd6b8f33d975bf390da320bd65973c12aea941a72e6a7f0271d8e59968",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2022-03-11T17:26:55Z",
    "title_canon_sha256": "5aeaa07c6b772ae2d50a864dbb4fc792c8042add2a07b5519eab254718f19a41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.06105",
    "kind": "arxiv",
    "version": 2
  }
}