Pith Number

pith:ENOXFI3Z

pith:2019:ENOXFI3ZQ3NIESF6FNKJVPTH3T

not attested not anchored not stored refs pending

On the Variational Iteration Method for the Nonlinear Volterra Integral Equation

Ernest Scheiber

arxiv:1907.06961 v1 · 2019-07-16 · 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{ENOXFI3ZQ3NIESF6FNKJVPTH3T}

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	2026-05-17T23:40:28.513724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

235d72a37986da8248be2b549abe67dcf74df7a8b92c73f8101ad52a00948fb1

Aliases

arxiv: 1907.06961 · arxiv_version: 1907.06961v1 · doi: 10.48550/arxiv.1907.06961 · pith_short_12: ENOXFI3ZQ3NI · pith_short_16: ENOXFI3ZQ3NIESF6 · pith_short_8: ENOXFI3Z

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/ENOXFI3ZQ3NIESF6FNKJVPTH3T \
  | 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: 235d72a37986da8248be2b549abe67dcf74df7a8b92c73f8101ad52a00948fb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ec32ec83440f36aaea290446b01994ded7fe79ef6b2a50637983672a614ab76",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-07-16T12:37:40Z",
    "title_canon_sha256": "86743eb32bd594ff89e7bdfe0154290a63e5ae52af273d316aa955840298550f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06961",
    "kind": "arxiv",
    "version": 1
  }
}