Pith Number

pith:YEJZ22FU

pith:2016:YEJZ22FU4BGK5T3JWD3GIPHBBD

not attested not anchored not stored refs pending

Numerical verification method for positiveness of solutions to elliptic equations

Kazuaki Tanaka, Kouta Sekine, Shin'ichi Oishi

arxiv:1606.03818 v2 · 2016-06-13 · math.NA · math.AP · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YEJZ22FU4BGK5T3JWD3GIPHBBD}

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	2026-05-18T01:11:34.840714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1139d68b4e04caecf69b0f6643ce108cf594119c8cca6ad74cb37b7792a4f5f

Aliases

arxiv: 1606.03818 · arxiv_version: 1606.03818v2 · doi: 10.48550/arxiv.1606.03818 · pith_short_12: YEJZ22FU4BGK · pith_short_16: YEJZ22FU4BGK5T3J · pith_short_8: YEJZ22FU

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/YEJZ22FU4BGK5T3JWD3GIPHBBD \
  | 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: c1139d68b4e04caecf69b0f6643ce108cf594119c8cca6ad74cb37b7792a4f5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0734fc5f222506c07e1c631f98194c315fa1a7990d8a5dd7b0de8047f5186c3",
    "cross_cats_sorted": [
      "math.AP",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-06-13T05:56:00Z",
    "title_canon_sha256": "125b40a661c5255e10a43c21fbf0ab9c067d5b94eece51260e6133fe57037b64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.03818",
    "kind": "arxiv",
    "version": 2
  }
}