Pith Number

pith:2ZRNVRUV

pith:2017:2ZRNVRUVDOLA5YNJVYV55ONOOO

not attested not anchored not stored refs pending

Solving the multi-frequency electromagnetic inverse source problem by the Fourier method

Fuming Ma, Guan Wang, Jingzhi Li, Yukun Guo

arxiv:1708.00673 v1 · 2017-08-02 · math.NA · math-ph · math.AP · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ZRNVRUVDOLA5YNJVYV55ONOOO}

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	2026-05-18T00:38:45.027664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d662dac6951b960ee1a9ae2bdeb9ae7396892e8a5b8bdcec146b3c62e52a0bd0

Aliases

arxiv: 1708.00673 · arxiv_version: 1708.00673v1 · doi: 10.48550/arxiv.1708.00673 · pith_short_12: 2ZRNVRUVDOLA · pith_short_16: 2ZRNVRUVDOLA5YNJ · pith_short_8: 2ZRNVRUV

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/2ZRNVRUVDOLA5YNJVYV55ONOOO \
  | 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: d662dac6951b960ee1a9ae2bdeb9ae7396892e8a5b8bdcec146b3c62e52a0bd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5713e7e1ac9d598067729803b14ca73aa54b32052e03c70e4ed91b44e6062b03",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-02T09:50:03Z",
    "title_canon_sha256": "35e199e8ed78ac17e534e41ed0c54c601d8e5d7b6800fe5cf26b25affdbcb5c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00673",
    "kind": "arxiv",
    "version": 1
  }
}