Pith Number

pith:5T46OLHP

pith:2019:5T46OLHPPQC26N3G6AKO2MAD4O

not attested not anchored not stored refs pending

Orthogonality Sampling Method for the Electromagnetic Inverse Scattering Problem

Dinh-Liem Nguyen, Isaac Harris

arxiv:1908.05800 v3 · 2019-08-16 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5T46OLHPPQC26N3G6AKO2MAD4O}

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	2026-07-05T00:16:36.207714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecf9e72cef7c05af3766f014ed3003e39350559d161940462ab546402c31c0ed

Aliases

arxiv: 1908.05800 · arxiv_version: 1908.05800v3 · doi: 10.48550/arxiv.1908.05800 · pith_short_12: 5T46OLHPPQC2 · pith_short_16: 5T46OLHPPQC26N3G · pith_short_8: 5T46OLHP

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/5T46OLHPPQC26N3G6AKO2MAD4O \
  | 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: ecf9e72cef7c05af3766f014ed3003e39350559d161940462ab546402c31c0ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74dacb7c6b378e79199d76146364b6e80f0ca40b6ed856784bd97e1077885dca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-08-16T00:34:01Z",
    "title_canon_sha256": "edf80699ef43714c9df02ba8c4a56965e4e3fbdf49ce9f921a45c550a9d2d5b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05800",
    "kind": "arxiv",
    "version": 3
  }
}