Pith Number

pith:PHDEYS55

pith:2018:PHDEYS552JX7X7O5NSSCOIFIPY

not attested not anchored not stored refs pending

Weak in the NEES?: Auto-tuning Kalman Filters with Bayesian Optimization

Christoffer Heckman, Nisar Ahmed, Simon Julier, Zhaozhong Chen

arxiv:1807.08855 v1 · 2018-07-23 · stat.ML · cs.LG · cs.RO · cs.SY · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHDEYS552JX7X7O5NSSCOIFIPY}

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	2026-05-18T00:09:57.630971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79c64c4bbdd26ffbfddd6ca42720a87e07621f759891cc605ce2cc153a521ca0

Aliases

arxiv: 1807.08855 · arxiv_version: 1807.08855v1 · doi: 10.48550/arxiv.1807.08855 · pith_short_12: PHDEYS552JX7 · pith_short_16: PHDEYS552JX7X7O5 · pith_short_8: PHDEYS55

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/PHDEYS552JX7X7O5NSSCOIFIPY \
  | 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: 79c64c4bbdd26ffbfddd6ca42720a87e07621f759891cc605ce2cc153a521ca0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f126be94b3363a37e0a7c557dec7f83fc3a97bf3942830f0cd5ff14969f59eac",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.RO",
      "cs.SY",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-07-23T23:02:09Z",
    "title_canon_sha256": "0adf4567833712d94933b4baac0c720b427ee71eb9cc1dbe91af8ae41b556258"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08855",
    "kind": "arxiv",
    "version": 1
  }
}