Pith Number

pith:WDG7ISHE

pith:2019:WDG7ISHEKEHKSHAIJ2FUD743EQ

not attested not anchored not stored refs pending

On the Incorporation of Box-Constraints for Ensemble Kalman Inversion

Claudia Schillings, Neil K. Chada, Simon Weissmann

arxiv:1908.00696 v2 · 2019-08-02 · math.NA · cs.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WDG7ISHEKEHKSHAIJ2FUD743EQ}

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	2026-07-05T00:11:35.489938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0cdf448e4510ea91c084e8b41ff9b241c916d9d3978644b1fb7218f87cbf5a9

Aliases

arxiv: 1908.00696 · arxiv_version: 1908.00696v2 · doi: 10.48550/arxiv.1908.00696 · pith_short_12: WDG7ISHEKEHK · pith_short_16: WDG7ISHEKEHKSHAI · pith_short_8: WDG7ISHE

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/WDG7ISHEKEHKSHAIJ2FUD743EQ \
  | 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: b0cdf448e4510ea91c084e8b41ff9b241c916d9d3978644b1fb7218f87cbf5a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07934e17709ddb83c73c10706077f3029248c9f2282fc714bbad522cf869807f",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-02T04:03:39Z",
    "title_canon_sha256": "e970a4d2f0506a047c81b0a90560ce60fd70a3c98ed650bf6433d4ed7da1bc8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00696",
    "kind": "arxiv",
    "version": 2
  }
}