Pith Number

pith:NI7SDIW2

pith:2015:NI7SDIW2TYDFCZOZXSMLDGF7AK

not attested not anchored not stored refs pending

Numerical solving unsteady space-fractional problems with the square root of an elliptic operator

Petr N. Vabishchevich

arxiv:1510.08297 v1 · 2015-10-28 · math.NA · cs.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{NI7SDIW2TYDFCZOZXSMLDGF7AK}

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	2026-05-18T01:28:36.517368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a3f21a2da9e065165d9bc98b198bf02a48104f41e17a5da1ed4735a4f52ea01

Aliases

arxiv: 1510.08297 · arxiv_version: 1510.08297v1 · doi: 10.48550/arxiv.1510.08297 · pith_short_12: NI7SDIW2TYDF · pith_short_16: NI7SDIW2TYDFCZOZ · pith_short_8: NI7SDIW2

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/NI7SDIW2TYDFCZOZXSMLDGF7AK \
  | 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: 6a3f21a2da9e065165d9bc98b198bf02a48104f41e17a5da1ed4735a4f52ea01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b814d2ce3c41fe83c26af3cfae90b8d8e33ddaa52de464afb7ddafc6898ed4fa",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-28T13:17:01Z",
    "title_canon_sha256": "0982c52d2a9ba66f1ca52e2ec6646c92c8f28025e1d69d90f4599af4d569843e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08297",
    "kind": "arxiv",
    "version": 1
  }
}