Pith Number

pith:HR6UHY6U

pith:2014:HR6UHY6U2CGRXUOX5I3SHG5IA7

not attested not anchored not stored refs pending

Regularized solution of a nonlinear problem in electromagnetic sounding

Caterina Fenu, Gian Piero Deidda, Giuseppe Rodriguez

arxiv:1403.3863 v1 · 2014-03-16 · 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{HR6UHY6U2CGRXUOX5I3SHG5IA7}

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	2026-06-04T14:09:36.097064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c7d43e3d4d08d1bd1d7ea37239ba807ca7a6461cad275750cd5e6d388f76fa5

Aliases

arxiv: 1403.3863 · arxiv_version: 1403.3863v1 · doi: 10.48550/arxiv.1403.3863 · pith_short_12: HR6UHY6U2CGR · pith_short_16: HR6UHY6U2CGRXUOX · pith_short_8: HR6UHY6U

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/HR6UHY6U2CGRXUOX5I3SHG5IA7 \
  | 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: 3c7d43e3d4d08d1bd1d7ea37239ba807ca7a6461cad275750cd5e6d388f76fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae0b713e08eef9d8810ec72e4278e9e427252e076c3da21741275104481e4af6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-03-16T00:09:38Z",
    "title_canon_sha256": "265ddafe6ad6688fb7f9c59ef8e9c5409061596f4d0d7cd27ceeed2497e8cc64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3863",
    "kind": "arxiv",
    "version": 1
  }
}