Pith Number

pith:J2PWT2HE

pith:2013:J2PWT2HE5R4ZOJUBUQS3Y7RVFA

not attested not anchored not stored refs pending

A fast direct solver for scattering from periodic structures with multiple material interfaces in two dimensions

June-Yub Lee, Kenneth L. Ho, Leslie Greengard

arxiv:1307.7496 v1 · 2013-07-29 · math.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{J2PWT2HE5R4ZOJUBUQS3Y7RVFA}

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	2026-05-18T01:48:33.551875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e9f69e8e4ec79972681a425bc7e352818d98185f93326c0a8846692eb554e14

Aliases

arxiv: 1307.7496 · arxiv_version: 1307.7496v1 · doi: 10.48550/arxiv.1307.7496 · pith_short_12: J2PWT2HE5R4Z · pith_short_16: J2PWT2HE5R4ZOJUB · pith_short_8: J2PWT2HE

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/J2PWT2HE5R4ZOJUBUQS3Y7RVFA \
  | 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: 4e9f69e8e4ec79972681a425bc7e352818d98185f93326c0a8846692eb554e14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6681cbf5ad1111b3c7e86d66aab33d1a10359f986c69b77aedc9fe77fbe3a520",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-07-29T08:30:45Z",
    "title_canon_sha256": "543c4fabeae1f352a8d2a92cf2797621a3647448cd88c14832e7b457052f401f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7496",
    "kind": "arxiv",
    "version": 1
  }
}