Pith Number

pith:P3GRV2DP

pith:2015:P3GRV2DPFNTEZGCXA3VLHL4IVY

not attested not anchored not stored refs pending

A Heuristic Reference Recursive Recipe for the Menacing Problem of Adaptively Tuning the Kalman Filter Statistics. Part-2. Real Data Studies

M. R. Ananthasayanam, Naren Naik, R. M. O. Gemson, Shyam Mohan M

arxiv:1505.07208 v1 · 2015-05-27 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P3GRV2DPFNTEZGCXA3VLHL4IVY}

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	2026-05-18T02:02:05.302792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ecd1ae86f2b664c985706eab3af88ae04a4e38ecc87092238407aac6ae2bd1f

Aliases

arxiv: 1505.07208 · arxiv_version: 1505.07208v1 · doi: 10.48550/arxiv.1505.07208 · pith_short_12: P3GRV2DPFNTE · pith_short_16: P3GRV2DPFNTEZGCX · pith_short_8: P3GRV2DP

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/P3GRV2DPFNTEZGCXA3VLHL4IVY \
  | 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: 7ecd1ae86f2b664c985706eab3af88ae04a4e38ecc87092238407aac6ae2bd1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83ea5790e1451544951ff844d71ea52ce879b6a076096841e4f410188a956584",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-05-27T07:02:20Z",
    "title_canon_sha256": "381099132b20067b0ff0cd378d5088ceb883de2416d6dc66e46c4af3571bad8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07208",
    "kind": "arxiv",
    "version": 1
  }
}