Pith Number

pith:CXGFPM4U

pith:2024:CXGFPM4ULJVOAKZGTBQJ3XMSAM

not attested not anchored not stored refs pending

Solving the inverse source problem of the fractional Poisson equation by MC-fPINNs

Cheng Yuan, Jerry Zhijian Yang, Peiying Wu, Rui Sheng

arxiv:2407.03801 v1 · 2024-07-04 · 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{CXGFPM4ULJVOAKZGTBQJ3XMSAM}

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	2026-07-05T08:40:24.293998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15cc57b3945a6ae02b2698609ddd920303ea85a8bf8a686c6514b854e0012a31

Aliases

arxiv: 2407.03801 · arxiv_version: 2407.03801v1 · doi: 10.48550/arxiv.2407.03801 · pith_short_12: CXGFPM4ULJVO · pith_short_16: CXGFPM4ULJVOAKZG · pith_short_8: CXGFPM4U

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/CXGFPM4ULJVOAKZGTBQJ3XMSAM \
  | 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: 15cc57b3945a6ae02b2698609ddd920303ea85a8bf8a686c6514b854e0012a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e101dc5753d0cfadf281705ba7f973e0a3e66d371cd436ece0d145d750d12e57",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-07-04T10:11:37Z",
    "title_canon_sha256": "25e224cb4bb4b07b8b3edc2de473309ecd5c8d210e830ecd5b6016170228a390"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.03801",
    "kind": "arxiv",
    "version": 1
  }
}