Pith Number

pith:WRMRSORO

pith:2018:WRMRSOROJXNQXH6MHRWGZLYFED

not attested not anchored not stored refs pending

Efficient improvement of frequency-domain Kalman filter

Jiancheng Tao, Jing Lu, Kai Chen, Wenzhi Fan

arxiv:1808.08442 v1 · 2018-08-25 · eess.SP · cs.SD · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WRMRSOROJXNQXH6MHRWGZLYFED}

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	2026-05-17T23:53:29.184394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b459193a2e4ddb0b9fcc3c6c6caf0520ed6fa53f25abcae6f7dbf05db58c9af9

Aliases

arxiv: 1808.08442 · arxiv_version: 1808.08442v1 · doi: 10.48550/arxiv.1808.08442 · pith_short_12: WRMRSOROJXNQ · pith_short_16: WRMRSOROJXNQXH6M · pith_short_8: WRMRSORO

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/WRMRSOROJXNQXH6MHRWGZLYFED \
  | 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: b459193a2e4ddb0b9fcc3c6c6caf0520ed6fa53f25abcae6f7dbf05db58c9af9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1128a62aeb7bac08be57150c34e4bc01a4dbcdef6f70e11c41cff14f528e798a",
    "cross_cats_sorted": [
      "cs.SD",
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-08-25T15:46:03Z",
    "title_canon_sha256": "bdd5cb2a6337ce0856e1aa13fc48557775a368f9d218f8565534beda435ab615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08442",
    "kind": "arxiv",
    "version": 1
  }
}