Pith Number

pith:7STTWHXB

pith:2019:7STTWHXBUL2FNGWXFFQTBQQ4AB

not attested not anchored not stored refs pending

Mathematical and numerical study of a three-dimensional inverse eddy current problem

Junqing Chen, Jun Zou, Ying Liang

arxiv:1908.08683 v1 · 2019-08-23 · math.AP · 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{7STTWHXBUL2FNGWXFFQTBQQ4AB}

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	2026-07-04T23:59:16.677040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fca73b1ee1a2f4569ad7296130c21c006b94e45e39883d46198ddb7a038bb689

Aliases

arxiv: 1908.08683 · arxiv_version: 1908.08683v1 · doi: 10.48550/arxiv.1908.08683 · pith_short_12: 7STTWHXBUL2F · pith_short_16: 7STTWHXBUL2FNGWX · pith_short_8: 7STTWHXB

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/7STTWHXBUL2FNGWXFFQTBQQ4AB \
  | 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: fca73b1ee1a2f4569ad7296130c21c006b94e45e39883d46198ddb7a038bb689

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dea18b45d639aaa1df6bb677209d105ee542ec9733a156fb23fa35469d4c189",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-08-23T06:25:33Z",
    "title_canon_sha256": "051168c0bd912294fb4cb8e6a941200065d4420a294b4f15c2b180f04c25d748"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08683",
    "kind": "arxiv",
    "version": 1
  }
}