Pith Number

pith:WKKDUZY5

pith:2013:WKKDUZY53DW7ZHXMRXZYEQ7ZJB

not attested not anchored not stored refs pending

Continuous Data Assimilation Using General Interpolant Observables

Abderrahim Azouani, Edriss S. Titi, Eric Olson

arxiv:1304.0997 v1 · 2013-04-03 · math.AP · nlin.CD · physics.ao-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKKDUZY53DW7ZHXMRXZYEQ7ZJB}

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	2026-05-18T01:50:43.488979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2943a671dd8edfc9eec8df38243f9487d717e04ac8d764c3c3fcf676a820bb3

Aliases

arxiv: 1304.0997 · arxiv_version: 1304.0997v1 · doi: 10.48550/arxiv.1304.0997 · pith_short_12: WKKDUZY53DW7 · pith_short_16: WKKDUZY53DW7ZHXM · pith_short_8: WKKDUZY5

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/WKKDUZY53DW7ZHXMRXZYEQ7ZJB \
  | 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: b2943a671dd8edfc9eec8df38243f9487d717e04ac8d764c3c3fcf676a820bb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71a0e08528138ea17b545b6c179b02e1273431b20ff67864f7cbd579d789dd61",
    "cross_cats_sorted": [
      "nlin.CD",
      "physics.ao-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-04-03T15:59:36Z",
    "title_canon_sha256": "b7a0e544491c2811f973271bf229222532aa4ef03a1aaa991f8caa138b20c837"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0997",
    "kind": "arxiv",
    "version": 1
  }
}