Pith Number

pith:NJ2PDUXD

pith:2018:NJ2PDUXDT6EHP44CXDN42G33IO

not attested not anchored not stored refs pending

Direct sampling method for imaging small dielectric inhomogeneities: analysis and improvement

Marc Lambert, Sangwoo Kang, Won-Kwang Park

arxiv:1801.05993 v1 · 2018-01-18 · 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{NJ2PDUXDT6EHP44CXDN42G33IO}

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	2026-05-18T00:04:59.710439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a74f1d2e39f8877f382b8dbcd1b7b43aaad4c09f5850e3acd0d3517d47ccbd1

Aliases

arxiv: 1801.05993 · arxiv_version: 1801.05993v1 · doi: 10.48550/arxiv.1801.05993 · pith_short_12: NJ2PDUXDT6EH · pith_short_16: NJ2PDUXDT6EHP44C · pith_short_8: NJ2PDUXD

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/NJ2PDUXDT6EHP44CXDN42G33IO \
  | 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: 6a74f1d2e39f8877f382b8dbcd1b7b43aaad4c09f5850e3acd0d3517d47ccbd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03095e011435b97085b7fbeb7ca996445dab40ad44f630e653980d425b6b2b17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-18T12:56:04Z",
    "title_canon_sha256": "1c3a4d67e9e6519928e3082ef217f8ea3d183a5c8262ba674b2a614c3c719c1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05993",
    "kind": "arxiv",
    "version": 1
  }
}