Pith Number

pith:5FHM7YCW

pith:2015:5FHM7YCWEUURWZJD43EONWDE24

not attested not anchored not stored refs pending

Analysis of the Ensemble and Polynomial Chaos Kalman Filters in Bayesian Inverse Problems

Bj\"orn Sprungk, Hans-J\"org Starkloff, Oliver G. Ernst

arxiv:1504.03529 v1 · 2015-04-14 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5FHM7YCWEUURWZJD43EONWDE24}

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	2026-05-18T02:18:50.627255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e94ecfe05625291b6523e6c8e6d864d72d4e0e4b09ee925ec154ac1d80500c53

Aliases

arxiv: 1504.03529 · arxiv_version: 1504.03529v1 · doi: 10.48550/arxiv.1504.03529 · pith_short_12: 5FHM7YCWEUUR · pith_short_16: 5FHM7YCWEUURWZJD · pith_short_8: 5FHM7YCW

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/5FHM7YCWEUURWZJD43EONWDE24 \
  | 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: e94ecfe05625291b6523e6c8e6d864d72d4e0e4b09ee925ec154ac1d80500c53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1b64859a498c235c9acb2ae0a764140c3b2b097a4ddb73c157f6d3f24c3b45f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-04-14T13:11:48Z",
    "title_canon_sha256": "9bf40df19053eebf163a00d7feba993937faf175bbe4bcd0d0837946b53bf6b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03529",
    "kind": "arxiv",
    "version": 1
  }
}