Pith Number

pith:6YJWATGE

pith:2019:6YJWATGEANSNOMLXO4P7Z5OZUX

not attested not anchored not stored refs pending

Time-dependent approach to the uniqueness of the Sommerfeld solution of the diffraction problem by a half-plane

A. Merzon, J.E. De la Paz M\'endez, P. Zhevandrov, T.J. Villalba Vega

arxiv:1908.01663 v1 · 2019-08-05 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6YJWATGEANSNOMLXO4P7Z5OZUX}

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	2026-07-04T23:51:32.551153Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f613604cc40364d73177771ffcf5d9a5f11282617ac5077084fc46e87a31ca4f

Aliases

arxiv: 1908.01663 · arxiv_version: 1908.01663v1 · doi: 10.48550/arxiv.1908.01663 · pith_short_12: 6YJWATGEANSN · pith_short_16: 6YJWATGEANSNOMLX · pith_short_8: 6YJWATGE

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/6YJWATGEANSNOMLXO4P7Z5OZUX \
  | 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: f613604cc40364d73177771ffcf5d9a5f11282617ac5077084fc46e87a31ca4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd5c99f7f4378a7cf6665fb0dfec97e01f2eb07bbd4a00a5e26e6148c4cb594",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2019-08-05T14:53:17Z",
    "title_canon_sha256": "671431c3710cd95275f7e66915d4ff87464bac378d0ce3214c46b4a3225a1186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01663",
    "kind": "arxiv",
    "version": 1
  }
}