Pith Number

pith:BO4QL7CT

pith:2019:BO4QL7CT4IPRDQP3W2FCJBJO4L

not attested not anchored not stored refs pending

Mathematical and numerical analysis of a nonlocal Drude model in nanoplasmonics

Chupeng Ma, Jun Zou, Yongwei Zhang

arxiv:1906.04790 v1 · 2019-06-11 · 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{BO4QL7CT4IPRDQP3W2FCJBJO4L}

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	2026-05-17T23:43:32.258221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bb905fc53e21f11c1fbb68a24852ee2ca9790ebe031f3f08de89f6e0f33e52c

Aliases

arxiv: 1906.04790 · arxiv_version: 1906.04790v1 · doi: 10.48550/arxiv.1906.04790 · pith_short_12: BO4QL7CT4IPR · pith_short_16: BO4QL7CT4IPRDQP3 · pith_short_8: BO4QL7CT

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/BO4QL7CT4IPRDQP3W2FCJBJO4L \
  | 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: 0bb905fc53e21f11c1fbb68a24852ee2ca9790ebe031f3f08de89f6e0f33e52c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc86944cf41131ec9c5c5bb972a41792be3a77172eebed4ca55658f0a7d4fcf0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-06-11T19:49:23Z",
    "title_canon_sha256": "de990fcb9a2327f2e560a8e0b85745bcf51b8a547a3fba52a35d816f5b7ac4e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04790",
    "kind": "arxiv",
    "version": 1
  }
}