Pith Number

pith:T35RHDL4

pith:2013:T35RHDL4BT3J6XRQ2ISHPP4ETM

not attested not anchored not stored refs pending

Variational Bayesian Adaptation of Noise Covariances in Non-Linear Kalman Filtering

Simo S\"arkk\"a Jouni Hartikainen

arxiv:1302.0681 v1 · 2013-02-04 · 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{T35RHDL4BT3J6XRQ2ISHPP4ETM}

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	2026-05-18T03:34:36.588059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9efb138d7c0cf69f5e30d22477bf849b070fbf3bbd2d79a9086176568ee9e000

Aliases

arxiv: 1302.0681 · arxiv_version: 1302.0681v1 · doi: 10.48550/arxiv.1302.0681 · pith_short_12: T35RHDL4BT3J · pith_short_16: T35RHDL4BT3J6XRQ · pith_short_8: T35RHDL4

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/T35RHDL4BT3J6XRQ2ISHPP4ETM \
  | 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: 9efb138d7c0cf69f5e30d22477bf849b070fbf3bbd2d79a9086176568ee9e000

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89fa429466beda3e965cc9b2bb26f7bb6c4fa75b29608fd98c9e54daf00ab48b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-02-04T13:24:37Z",
    "title_canon_sha256": "b6b26ee7586ec13743dbfd5bba9b598dc7e7e474041b10673b40da37447990a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0681",
    "kind": "arxiv",
    "version": 1
  }
}