Pith Number

pith:EHW5AR6L

pith:2022:EHW5AR6LEEEO2Q43P3YJPFP7NB

not attested not anchored not stored refs pending

Boundary-safe PINNs extension: Application to non-linear parabolic PDEs in counterparty credit risk

\'Alvaro Leitao, Joel P. Villarino, Jos\'e A. Garc\'ia-Rodr\'iguez

arxiv:2210.02175 v1 · 2022-10-05 · q-fin.CP · cs.NA · 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{EHW5AR6LEEEO2Q43P3YJPFP7NB}

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	2026-07-05T05:03:44.240470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21edd047cb2108ed439b7ef09795ff6865ed4f3e3b5f161f5f8dea9e3ad4614a

Aliases

arxiv: 2210.02175 · arxiv_version: 2210.02175v1 · doi: 10.48550/arxiv.2210.02175 · pith_short_12: EHW5AR6LEEEO · pith_short_16: EHW5AR6LEEEO2Q43 · pith_short_8: EHW5AR6L

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/EHW5AR6LEEEO2Q43P3YJPFP7NB \
  | 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: 21edd047cb2108ed439b7ef09795ff6865ed4f3e3b5f161f5f8dea9e3ad4614a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ddfc5ada5ae5050b9988f93bbdc15630f9177ec95d5ae5fedbe65630d008976",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.CP",
    "submitted_at": "2022-10-05T12:02:52Z",
    "title_canon_sha256": "cd8a2c737404b5ecdbd9c963c88a659779859f84290ae28954f43fb0030623a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.02175",
    "kind": "arxiv",
    "version": 1
  }
}