Pith Number

pith:42U7UN6E

pith:2014:42U7UN6EXTTGFIN67SOT3S3626

not attested not anchored not stored refs pending

Spectral diagonal ensemble Kalman filters

Ivan Kasanick\'y, Jan Mandel, Martin Vejmelka

arxiv:1501.00219 v1 · 2014-12-31 · stat.ME · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{42U7UN6EXTTGFIN67SOT3S3626}

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	2026-05-18T01:35:11.548642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6a9fa37c4bce662a1befc9d3dcb7ed7942420f7edb672e76eb336fd03d7614b

Aliases

arxiv: 1501.00219 · arxiv_version: 1501.00219v1 · doi: 10.48550/arxiv.1501.00219 · pith_short_12: 42U7UN6EXTTG · pith_short_16: 42U7UN6EXTTGFIN6 · pith_short_8: 42U7UN6E

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/42U7UN6EXTTGFIN67SOT3S3626 \
  | 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: e6a9fa37c4bce662a1befc9d3dcb7ed7942420f7edb672e76eb336fd03d7614b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfeb624a4c7b6cfe78bc7a4e21b324f6e9f9e8da699f7d6db7fae0cb3df18663",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-12-31T22:41:17Z",
    "title_canon_sha256": "ea1a1b396cb23cdb6fc4dc33b9027d0149e446fb7966bdb037974f5b57123a90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00219",
    "kind": "arxiv",
    "version": 1
  }
}