Pith Number

pith:A67DGQRY

pith:2021:A67DGQRYGJNMKOCTDXFK3PRZ57

not attested not anchored not stored refs pending

Incorporating Transformer and LSTM to Kalman Filter with EM algorithm for state estimation

Zhuangwei Shi

arxiv:2105.00250 v2 · 2021-05-01 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A67DGQRYGJNMKOCTDXFK3PRZ57}

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.

Cited by

1 paper in Pith

ChronosAD: Leveraging Time Series Foundation Models for Accurate Anomaly Detection

Receipt and verification

First computed	2026-07-05T02:42:51.037593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07be334238325ac538531dcaadbe39efc5790311186056be365ee3b3a6200600

Aliases

arxiv: 2105.00250 · arxiv_version: 2105.00250v2 · doi: 10.48550/arxiv.2105.00250 · pith_short_12: A67DGQRYGJNM · pith_short_16: A67DGQRYGJNMKOCT · pith_short_8: A67DGQRY

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/A67DGQRYGJNMKOCTDXFK3PRZ57 \
  | 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: 07be334238325ac538531dcaadbe39efc5790311186056be365ee3b3a6200600

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cc42e79a8563f8d6b83d8e57c5d7b0de61c52838e148559b63d1228683dbd74",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-05-01T13:52:28Z",
    "title_canon_sha256": "30b7c7da537c4cfeed33e110048b00724c4860e4c111899f0a1e2191a8be2973"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.00250",
    "kind": "arxiv",
    "version": 2
  }
}