Pith Number

pith:RWTIDKDN

pith:2019:RWTIDKDN7AJMSHRJ7ZW2HPDC6P

not attested not anchored not stored refs pending

A Lipschitz Matrix for Parameter Reduction in Computational Science

Jeffrey M. Hokanson, Paul G. Constantine

arxiv:1906.00105 v2 · 2019-05-31 · math.NA · cs.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{RWTIDKDN7AJMSHRJ7ZW2HPDC6P}

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	2026-07-05T05:53:45.387846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8da681a86df812c91e29fe6da3bc62f3db267f206b169f1bff95aa5f0780ea48

Aliases

arxiv: 1906.00105 · arxiv_version: 1906.00105v2 · doi: 10.48550/arxiv.1906.00105 · pith_short_12: RWTIDKDN7AJM · pith_short_16: RWTIDKDN7AJMSHRJ · pith_short_8: RWTIDKDN

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/RWTIDKDN7AJMSHRJ7ZW2HPDC6P \
  | 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: 8da681a86df812c91e29fe6da3bc62f3db267f206b169f1bff95aa5f0780ea48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff8c6b37236b21f6e8e9b3d887cb54ef86422fe111112173d6d9048f22e76b39",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-05-31T22:18:13Z",
    "title_canon_sha256": "a69399402dd81beb5421fc9de6767136da46a45f5f955ce6c82df50310629366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.00105",
    "kind": "arxiv",
    "version": 2
  }
}