Pith Number

pith:OVYR6MQV

pith:2025:OVYR6MQVKKJQQSS7CGMBRSBTBG

not attested not anchored not stored refs pending

A robust approach to sigma point Kalman filtering

Mattia Zorzi, Shenglun Yi

arxiv:2506.04815 v2 · 2025-06-05 · 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{OVYR6MQVKKJQQSS7CGMBRSBTBG}

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	2026-06-26T01:15:13.761133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75711f32155293084a5f119818c83309bd73a98e5d51877f332df832fcd2afd2

Aliases

arxiv: 2506.04815 · arxiv_version: 2506.04815v2 · doi: 10.48550/arxiv.2506.04815 · pith_short_12: OVYR6MQVKKJQ · pith_short_16: OVYR6MQVKKJQQSS7 · pith_short_8: OVYR6MQV

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/OVYR6MQVKKJQQSS7CGMBRSBTBG \
  | 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: 75711f32155293084a5f119818c83309bd73a98e5d51877f332df832fcd2afd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f40a1a41e14a229afd6300dd640e59a58c9bb596447b8e7158a51561e21bea1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-06-05T09:35:47Z",
    "title_canon_sha256": "d0fb910b6cdb78058bb4635ea4d6ee4f8b7f5f4b92b8b4443474a3275c22b607"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.04815",
    "kind": "arxiv",
    "version": 2
  }
}