Pith Number

pith:235EDV6Q

pith:2013:235EDV6QNAFFX6F2PD4CDPCIJJ

not attested not anchored not stored refs pending

Nonlinear Parametric Inversion using Interpolatory Model Reduction

Christopher Beattie, Eric de Sturler, Meghan O'Connell, Misha E. Kilmer, Saifon Chaturantabut, Serkan Gugercin

arxiv:1311.0922 v1 · 2013-11-04 · 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{235EDV6QNAFFX6F2PD4CDPCIJJ}

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	2026-05-18T01:03:24.395272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6fa41d7d0680a5bf8ba78f821bc484a72c4425fe64e3e7427853f45135650c3

Aliases

arxiv: 1311.0922 · arxiv_version: 1311.0922v1 · doi: 10.48550/arxiv.1311.0922 · pith_short_12: 235EDV6QNAFF · pith_short_16: 235EDV6QNAFFX6F2 · pith_short_8: 235EDV6Q

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/235EDV6QNAFFX6F2PD4CDPCIJJ \
  | 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: d6fa41d7d0680a5bf8ba78f821bc484a72c4425fe64e3e7427853f45135650c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44245bc62fd289307f9f00d79db75c29ec9f39a218c0c4addabcde571e9023c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-11-04T23:14:00Z",
    "title_canon_sha256": "4c451cf38323a81162269dcbb86c338c1be0568021a4eb24704b311f5de93b96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0922",
    "kind": "arxiv",
    "version": 1
  }
}