Pith Number

pith:DHDV7VW6

pith:2025:DHDV7VW67PRMOXJCS4MQY7AIWA

not attested not anchored not stored refs pending

Joint State and Noise Covariance Estimation

Iman Shames, Kasra Khosoussi

arxiv:2502.04584 v3 · 2025-02-07 · cs.RO · 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{DHDV7VW67PRMOXJCS4MQY7AIWA}

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	2026-07-05T11:52:17.377543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19c75fd6defbe2c75d2297190c7c08b01e7d7934dd95613035b88b7fe3a67a09

Aliases

arxiv: 2502.04584 · arxiv_version: 2502.04584v3 · doi: 10.48550/arxiv.2502.04584 · pith_short_12: DHDV7VW67PRM · pith_short_16: DHDV7VW67PRMOXJC · pith_short_8: DHDV7VW6

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/DHDV7VW67PRMOXJCS4MQY7AIWA \
  | 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: 19c75fd6defbe2c75d2297190c7c08b01e7d7934dd95613035b88b7fe3a67a09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00ce4aa1ae35f2c371be1cf609a093c1860c6a6d0ffd13f20d527dfc4b168a7b",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2025-02-07T00:40:54Z",
    "title_canon_sha256": "4ff01b4a235d0bcfd54d3128eb9f551175c29dd1d2cbf8354ec128da130e44ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04584",
    "kind": "arxiv",
    "version": 3
  }
}