Pith Number

pith:Y3X3NB5X

pith:2014:Y3X3NB5XL6N7AJ7XIT2QHIXKGY

not attested not anchored not stored refs pending

On the numerical stability of the least-squares method for the planar scattering by obstacles

Gilles Chardon

arxiv:1401.3177 v1 · 2014-01-14 · 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{Y3X3NB5XL6N7AJ7XIT2QHIXKGY}

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	2026-05-18T03:02:19.409258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6efb687b75f9bf027f744f503a2ea3619c9d9f99b46d0743bf5fc562482980f

Aliases

arxiv: 1401.3177 · arxiv_version: 1401.3177v1 · doi: 10.48550/arxiv.1401.3177 · pith_short_12: Y3X3NB5XL6N7 · pith_short_16: Y3X3NB5XL6N7AJ7X · pith_short_8: Y3X3NB5X

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/Y3X3NB5XL6N7AJ7XIT2QHIXKGY \
  | 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: c6efb687b75f9bf027f744f503a2ea3619c9d9f99b46d0743bf5fc562482980f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b40b7e43191590dd2183eee15f5914588e121cb7b82a963ce99e50900683887d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-01-14T13:25:36Z",
    "title_canon_sha256": "35fdae9fc2bfe44b1aa46c1311571169d2964940202043439519a6833109208d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3177",
    "kind": "arxiv",
    "version": 1
  }
}