Pith Number

pith:6ISTTEGO

pith:2023:6ISTTEGOCGVXJENZX5TEVTJDIG

not attested not anchored not stored refs pending

Reduced-Order Autodifferentiable Ensemble Kalman Filters

Daniel Sanz-Alonso, Rebecca Willett, Yuming Chen

arxiv:2301.11961 v1 · 2023-01-27 · stat.ML · cs.LG · math.DS · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6ISTTEGOCGVXJENZX5TEVTJDIG}

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	2026-07-05T05:36:33.845287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2253990ce11ab7491b9bf664acd23419f923ce59cb5c4b4e15cd46860b824df

Aliases

arxiv: 2301.11961 · arxiv_version: 2301.11961v1 · doi: 10.48550/arxiv.2301.11961 · pith_short_12: 6ISTTEGOCGVX · pith_short_16: 6ISTTEGOCGVXJENZ · pith_short_8: 6ISTTEGO

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/6ISTTEGOCGVXJENZX5TEVTJDIG \
  | 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: f2253990ce11ab7491b9bf664acd23419f923ce59cb5c4b4e15cd46860b824df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75fb40b1ac5402382202160cdb1c5396204ce4fae9a7b15eb46d9537841ac612",
    "cross_cats_sorted": [
      "cs.LG",
      "math.DS",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2023-01-27T19:32:02Z",
    "title_canon_sha256": "78986af01e2e8dee15101281501c24b7b023cfaa6790b2c6ed062a9dd45d2651"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.11961",
    "kind": "arxiv",
    "version": 1
  }
}