Pith Number

pith:BIDBJTX3

pith:2023:BIDBJTX33IKVDDZT5WGHPFO6T2

not attested not anchored not stored refs pending

Solving PDEs with Unmeasurable Source Terms Using Coupled Physics-Informed Neural Network with Recurrent Prediction for Soft Sensors

Aina Wang, Pan Qin, Xi-Ming Sun

arxiv:2301.08618 v3 · 2023-01-20 · cs.LG · 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{BIDBJTX33IKVDDZT5WGHPFO6T2}

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	2026-07-05T06:29:39.762255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a0614cefbda15518f33ed8c7795de9e9aff29b5c338312ba838c6731ad6d81c

Aliases

arxiv: 2301.08618 · arxiv_version: 2301.08618v3 · doi: 10.48550/arxiv.2301.08618 · pith_short_12: BIDBJTX33IKV · pith_short_16: BIDBJTX33IKVDDZT · pith_short_8: BIDBJTX3

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/BIDBJTX33IKVDDZT5WGHPFO6T2 \
  | 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: 0a0614cefbda15518f33ed8c7795de9e9aff29b5c338312ba838c6731ad6d81c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd1bcb06b22b139a554a1d8b723b60a47e30be1f5f2b99a1d06b5d5cb5354f0a",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2023-01-20T14:59:33Z",
    "title_canon_sha256": "096cfa24e71f1dd3a72f5cfd16d6a2fc007a2d7d0f43af8fbeb3de54ead8ca99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.08618",
    "kind": "arxiv",
    "version": 3
  }
}