Pith Number

pith:Z2YYJRAW

pith:2018:Z2YYJRAWLHXHOHQTOX4AO6KZ2X

not attested not anchored not stored refs pending

A computational geometry method for the inverse scattering problem

(2) Instituto de Matem\'atica Interdisciplinar y Departamento de An\'alisis Matem\'atico y Matem\'atica Aplicada, Facultad de CC. Matem\'aticas, J. Andr\'es Christen (1) ((1) Centro de Investigaci\'on en Matem\'aticas (CIMAT), Juan Antonio Infante del R\'io (2), Marcos A. Capistr\'an (1), Maria L. Daza-Torres (1), Universidad Complutense de Madrid)

arxiv:1807.09657 v1 · 2018-07-23 · math.NA · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2YYJRAWLHXHOHQTOX4AO6KZ2X}

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	2026-05-18T00:09:50.675092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ceb184c41659ee771e1375f8077959d5cccc15849fd8d3a3613633ea0d334d38

Aliases

arxiv: 1807.09657 · arxiv_version: 1807.09657v1 · doi: 10.48550/arxiv.1807.09657 · pith_short_12: Z2YYJRAWLHXH · pith_short_16: Z2YYJRAWLHXHOHQT · pith_short_8: Z2YYJRAW

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/Z2YYJRAWLHXHOHQTOX4AO6KZ2X \
  | 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: ceb184c41659ee771e1375f8077959d5cccc15849fd8d3a3613633ea0d334d38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "792bb97a47846384b47078102c61a9563f7a9d891c2b8a5fb36a845d75ad97d0",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-23T20:37:32Z",
    "title_canon_sha256": "5e62df49aafb0c5a863cb76fa51113d362802a8aae6430d67e777821eaed8245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09657",
    "kind": "arxiv",
    "version": 1
  }
}