Pith Number

pith:PYWFCLZ6

pith:2019:PYWFCLZ6LUKH6F3MB7EX3B2FOS

not attested not anchored not stored refs pending

Mollified finite element approximants of arbitrary order and smoothness

Eky Febrianto, Fehmi Cirak, Michael Ortiz

arxiv:1910.04002 v2 · 2019-10-09 · 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{PYWFCLZ6LUKH6F3MB7EX3B2FOS}

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	2026-07-05T02:07:00.984136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e2c512f3e5d147f176c0fc97d87457481d541a08b18e0bec70bc0ca25174028

Aliases

arxiv: 1910.04002 · arxiv_version: 1910.04002v2 · doi: 10.48550/arxiv.1910.04002 · pith_short_12: PYWFCLZ6LUKH · pith_short_16: PYWFCLZ6LUKH6F3M · pith_short_8: PYWFCLZ6

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/PYWFCLZ6LUKH6F3MB7EX3B2FOS \
  | 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: 7e2c512f3e5d147f176c0fc97d87457481d541a08b18e0bec70bc0ca25174028

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1da80b7284e9cc6258a1ffceb01741c81050c6b149a88a57ef873c9e696f8a1e",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-10-09T14:07:30Z",
    "title_canon_sha256": "259245eef0090419987f2c28dad57277ceba1dbd54322bcddf2d0d177a5251bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.04002",
    "kind": "arxiv",
    "version": 2
  }
}