Pith Number

pith:K4D23L5V

pith:2019:K4D23L5VITFG7LP7GQ4YVCYWMC

not attested not anchored not stored refs pending

A Surface Integral Formulation for Scattering Modeling by 2D Penetrable Objects

Donglin Su, Shunchuan Yang, Xiaochao Zhou

arxiv:1904.03096 v1 · 2019-04-05 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K4D23L5VITFG7LP7GQ4YVCYWMC}

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	2026-05-17T23:49:18.595354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5707adafb544ca6fadff34398a8b166097bb1bb89cf547b4510cf2b671244d50

Aliases

arxiv: 1904.03096 · arxiv_version: 1904.03096v1 · doi: 10.48550/arxiv.1904.03096 · pith_short_12: K4D23L5VITFG · pith_short_16: K4D23L5VITFG7LP7 · pith_short_8: K4D23L5V

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/K4D23L5VITFG7LP7GQ4YVCYWMC \
  | 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: 5707adafb544ca6fadff34398a8b166097bb1bb89cf547b4510cf2b671244d50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6799f20a4e3b0453aeddfcbac4e8b354d7249dfbae383715b9dad1fd692afcd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2019-04-05T14:48:10Z",
    "title_canon_sha256": "a6dba20605869f04985416052db4fd2c047a6a3ca4ce005ae8539bb87dc8b8da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03096",
    "kind": "arxiv",
    "version": 1
  }
}