Pith Number

pith:VGDJYBRN

pith:2016:VGDJYBRN6SLB64EHU3SXXZSSRC

not attested not anchored not stored refs pending

Multilevel ensemble Kalman filtering for spatially extended models

Alexey Chernov, Fabio Nobile, Haakon Hoel, Kody Law, Raul Tempone

arxiv:1608.08558 v1 · 2016-08-30 · 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{VGDJYBRN6SLB64EHU3SXXZSSRC}

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	2026-05-18T01:07:17.821528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9869c062df4961f7087a6e57be65288a83aae204ca5c2c36f303b8145fd491d

Aliases

arxiv: 1608.08558 · arxiv_version: 1608.08558v1 · doi: 10.48550/arxiv.1608.08558 · pith_short_12: VGDJYBRN6SLB · pith_short_16: VGDJYBRN6SLB64EH · pith_short_8: VGDJYBRN

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/VGDJYBRN6SLB64EHU3SXXZSSRC \
  | 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: a9869c062df4961f7087a6e57be65288a83aae204ca5c2c36f303b8145fd491d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15d7c3abec24a4457608f5ff42c4e65f7893cadc523262ecce16c13be92c8f5a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-08-30T16:53:24Z",
    "title_canon_sha256": "1225703506a3e5c52cf5856d5b5142d63a4527c22e0237f9bf9e491bd2378c21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.08558",
    "kind": "arxiv",
    "version": 1
  }
}