Pith Number

pith:3VRHNOWX

pith:2015:3VRHNOWX3SP42ADVHU4QCQBP3Z

not attested not anchored not stored refs pending

A hybrid ensemble transform filter for nonlinear and spatially extended dynamical systems

Maria Reinhardt, Nawinda Chustagulprom, Sebastian Reich

arxiv:1509.06669 v3 · 2015-09-22 · 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{3VRHNOWX3SP42ADVHU4QCQBP3Z}

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	2026-05-18T01:20:01.359442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd6276bad7dc9fcd00753d3901402fde522818f50c5ba81edb8523882d5aa109

Aliases

arxiv: 1509.06669 · arxiv_version: 1509.06669v3 · doi: 10.48550/arxiv.1509.06669 · pith_short_12: 3VRHNOWX3SP4 · pith_short_16: 3VRHNOWX3SP42ADV · pith_short_8: 3VRHNOWX

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/3VRHNOWX3SP42ADVHU4QCQBP3Z \
  | 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: dd6276bad7dc9fcd00753d3901402fde522818f50c5ba81edb8523882d5aa109

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5586c1439899b2cd3cac2b7867c6d784359941911c8e466ed0bfa0f1f35b60fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-09-22T16:25:27Z",
    "title_canon_sha256": "d16363a949c577f9366e55235021243386be1cf08981bc91deb7c811d5b64c93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06669",
    "kind": "arxiv",
    "version": 3
  }
}