Pith Number

pith:JT4DNR76

pith:2015:JT4DNR76RXL36JOVTI6J2LHDVI

not attested not anchored not stored refs pending

A splitting scheme to solve an equation for fractional powers of elliptic operators

Petr N. Vabishchevich

arxiv:1505.04103 v1 · 2015-05-15 · cs.NA · 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{JT4DNR76RXL36JOVTI6J2LHDVI}

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	2026-05-18T02:09:40.107452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cf836c7fe8dd7bf25d59a3c9d2ce3aa2c239f31fe74dab4884f6dc39d131685

Aliases

arxiv: 1505.04103 · arxiv_version: 1505.04103v1 · doi: 10.48550/arxiv.1505.04103 · pith_short_12: JT4DNR76RXL3 · pith_short_16: JT4DNR76RXL36JOV · pith_short_8: JT4DNR76

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/JT4DNR76RXL36JOVTI6J2LHDVI \
  | 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: 4cf836c7fe8dd7bf25d59a3c9d2ce3aa2c239f31fe74dab4884f6dc39d131685

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99aa65ec54a0ec6529463ca2fec5a59a917505f9957a9ffac11fd8f0598edbc7",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2015-05-15T15:59:16Z",
    "title_canon_sha256": "5e348e96fbbebf1f406cec8c7dce7a64a643c9c5e303e1a24d9275b86f198972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04103",
    "kind": "arxiv",
    "version": 1
  }
}