Pith Number

pith:DIIXFJYN

pith:2019:DIIXFJYNLMULJ6ZELU4DOOJFRJ

not attested not anchored not stored refs pending

Sommerfeld--type integrals for discrete diffraction problems

A. I. Korolkov, A. V. Shanin

arxiv:1908.04764 v2 · 2019-08-05 · 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{DIIXFJYNLMULJ6ZELU4DOOJFRJ}

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	2026-07-05T02:14:40.257651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a1172a70d5b28b4fb245d383739258a68aac1117d90ae02e36f30b3dd5a26a0

Aliases

arxiv: 1908.04764 · arxiv_version: 1908.04764v2 · doi: 10.48550/arxiv.1908.04764 · pith_short_12: DIIXFJYNLMUL · pith_short_16: DIIXFJYNLMULJ6ZE · pith_short_8: DIIXFJYN

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/DIIXFJYNLMULJ6ZELU4DOOJFRJ \
  | 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: 1a1172a70d5b28b4fb245d383739258a68aac1117d90ae02e36f30b3dd5a26a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97a2f61f7f510503114cabe2b5d7310459d70a4817ab40537c70660d0f49c272",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-05T14:26:12Z",
    "title_canon_sha256": "59e3441ecb228ed9e6c3a8eb6d6b6f14576b9acca1da0dd475cd5369be0ead7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04764",
    "kind": "arxiv",
    "version": 2
  }
}