Pith Number

pith:7ZRSAJZO

pith:2020:7ZRSAJZOMRBL27VBFKQOT56BJR

not attested not anchored not stored refs pending

A fast algorithm for the electromagnetic scattering from a large rectangular cavity in three dimensions

Jun Lai, Peijun Li, Xue Jiang, Yanli Chen

arxiv:2008.01966 v1 · 2020-08-05 · 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{7ZRSAJZOMRBL27VBFKQOT56BJR}

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	2026-07-05T02:35:16.188748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe6320272e6442bd7ea12aa0e9f7c14c542d254d16cddcbdef3b48c2bff8f59d

Aliases

arxiv: 2008.01966 · arxiv_version: 2008.01966v1 · doi: 10.48550/arxiv.2008.01966 · pith_short_12: 7ZRSAJZOMRBL · pith_short_16: 7ZRSAJZOMRBL27VB · pith_short_8: 7ZRSAJZO

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/7ZRSAJZOMRBL27VBFKQOT56BJR \
  | 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: fe6320272e6442bd7ea12aa0e9f7c14c542d254d16cddcbdef3b48c2bff8f59d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44aef389bc33c1148cceec9ea51f3de4ce828b67fec6207ee4d1c7c56d3f23e5",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-08-05T07:17:08Z",
    "title_canon_sha256": "b2b56c9ffc1eecb6283d4fa6d9b92f3fb13dfb8b1f920d3308d332f0b51cc757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.01966",
    "kind": "arxiv",
    "version": 1
  }
}