Pith Number

pith:W3JJ5FP4

pith:2021:W3JJ5FP4NREX6ESKN2M7YGYCS2

not attested not anchored not stored refs pending

All-in-one: Certifiable Optimal Distributed Kalman Filter under Unknown Correlations

Carlos Sag\"u\'es, Eduardo Montijano, Eduardo Sebasti\'an

arxiv:2105.15061 v3 · 2021-05-31 · 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{W3JJ5FP4NREX6ESKN2M7YGYCS2}

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	2026-07-05T04:30:51.265229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6d29e95fc6c497f124a6e99fc1b029681270effddb3fd6dc876e64d76aad65b

Aliases

arxiv: 2105.15061 · arxiv_version: 2105.15061v3 · doi: 10.48550/arxiv.2105.15061 · pith_short_12: W3JJ5FP4NREX · pith_short_16: W3JJ5FP4NREX6ESK · pith_short_8: W3JJ5FP4

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/W3JJ5FP4NREX6ESKN2M7YGYCS2 \
  | 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: b6d29e95fc6c497f124a6e99fc1b029681270effddb3fd6dc876e64d76aad65b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bea6fa2042d3eea469a68dfbc63083e16de777cfa04f3a8be2a989cd372663a",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-05-31T15:49:03Z",
    "title_canon_sha256": "30994cf80dcd8fc7d14b31e7b912d33affc92d0f424d8238ae53fc9fcf210b22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.15061",
    "kind": "arxiv",
    "version": 3
  }
}