Pith Number

pith:IIJFKGSL

pith:2021:IIJFKGSLECQWDJJUIRSJTKCDYG

not attested not anchored not stored refs pending

Physics-Informed Supervised Residual Learning for Electromagnetic Modeling

Fan Yang, Jinhong Zeng, Maokun Li, Rui Guo, Shenheng Xu, Tao Shan, Xiaoqian Song

arxiv:2104.13231 v2 · 2021-04-27 · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIJFKGSLECQWDJJUIRSJTKCDYG}

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	2026-07-05T06:54:58.913011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4212551a4b20a161a534446499a843c1881cb327e07a9580131f851b5a2e8f8c

Aliases

arxiv: 2104.13231 · arxiv_version: 2104.13231v2 · doi: 10.48550/arxiv.2104.13231 · pith_short_12: IIJFKGSLECQW · pith_short_16: IIJFKGSLECQWDJJU · pith_short_8: IIJFKGSL

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/IIJFKGSLECQWDJJUIRSJTKCDYG \
  | 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: 4212551a4b20a161a534446499a843c1881cb327e07a9580131f851b5a2e8f8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02e296eeb40ea832cc87e8a52f1bb8dca5bda351985588dad4637442f3eba674",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2021-04-27T14:37:10Z",
    "title_canon_sha256": "3f1819c6acc0d4b88ee331b063d1fd13086963eab6c31139b0c49f0e8e631c21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.13231",
    "kind": "arxiv",
    "version": 2
  }
}