Pith Number

pith:2BK66AAR

pith:2018:2BK66AAR5PSJN6FZ644CYSLDH5

not attested not anchored not stored refs pending

Contour integral solutions of the parabolic wave equation

David P. Hewett, John R. Ockendon, Valery P. Smyshlyaev

arxiv:1806.02294 v2 · 2018-06-06 · math-ph · math.AP · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2BK66AAR5PSJN6FZ644CYSLDH5}

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	2026-05-18T00:04:35.549170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d055ef0011ebe496f8b9f7382c49633f5fcd9845d8dd53665c4e82e45214e3db

Aliases

arxiv: 1806.02294 · arxiv_version: 1806.02294v2 · doi: 10.48550/arxiv.1806.02294 · pith_short_12: 2BK66AAR5PSJ · pith_short_16: 2BK66AAR5PSJN6FZ · pith_short_8: 2BK66AAR

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/2BK66AAR5PSJN6FZ644CYSLDH5 \
  | 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: d055ef0011ebe496f8b9f7382c49633f5fcd9845d8dd53665c4e82e45214e3db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "912c97b5007ed3c156cab21818de0aa1848e5589e5c19657ab6915849a40f0f8",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2018-06-06T16:40:37Z",
    "title_canon_sha256": "28a9ec934cf458256a62c36ff037265146839ae97f5b073126f6c0ad21d5add0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02294",
    "kind": "arxiv",
    "version": 2
  }
}