Pith Number

pith:BXRAWXPL

pith:2022:BXRAWXPL6QZTQRTGSCT7626EMM

not attested not anchored not stored refs pending

An efficient neural-network and finite-difference hybrid method for elliptic interface problems with applications

Ming-Chih Lai, Te-Sheng Lin, Wei-Fan Hu, Yu-Hau Tseng

arxiv:2210.05523 v4 · 2022-10-11 · math.NA · cs.LG · 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{BXRAWXPL6QZTQRTGSCT7626EMM}

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	2026-07-05T06:19:16.616917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0de20b5debf43338466690a7ff6bc46315260915a30e152be25be0eca09a4d23

Aliases

arxiv: 2210.05523 · arxiv_version: 2210.05523v4 · doi: 10.48550/arxiv.2210.05523 · pith_short_12: BXRAWXPL6QZT · pith_short_16: BXRAWXPL6QZTQRTG · pith_short_8: BXRAWXPL

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/BXRAWXPL6QZTQRTGSCT7626EMM \
  | 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: 0de20b5debf43338466690a7ff6bc46315260915a30e152be25be0eca09a4d23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82f53b75f2b069291c044d0861bdf4673ed7f800b53273a9f58d04ac0e6c7044",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-10-11T15:15:09Z",
    "title_canon_sha256": "80e3df717def426298a506af2a4481079e5289408ae5601ab2e0fdf21eaec33c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.05523",
    "kind": "arxiv",
    "version": 4
  }
}