Pith Number

pith:PYARCUN6

pith:2018:PYARCUN626EVM2AVY7B4RZTXCT

not attested not anchored not stored refs pending

Sensitivity of a nonlinear ordinary BVP with fractional Dirichlet-Laplace operator

Dariusz Idczak

arxiv:1812.11515 v1 · 2018-12-30 · math.CA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PYARCUN626EVM2AVY7B4RZTXCT}

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	2026-05-17T23:57:11.770203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e011151bed789566815c7c3c8e67714ebfffc7db2777e71d9bed8a53bda5032

Aliases

arxiv: 1812.11515 · arxiv_version: 1812.11515v1 · doi: 10.48550/arxiv.1812.11515 · pith_short_12: PYARCUN626EV · pith_short_16: PYARCUN626EVM2AV · pith_short_8: PYARCUN6

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/PYARCUN626EVM2AVY7B4RZTXCT \
  | 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: 7e011151bed789566815c7c3c8e67714ebfffc7db2777e71d9bed8a53bda5032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc36523fd20c4d6bcd5863d7abcd050044ab201a87fa9acf58adce53b8b6000c",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2018-12-30T11:44:22Z",
    "title_canon_sha256": "606be93379f7f4ff4817e8b01f30d053a34ca08ca4903dbe9e49087b7548f3d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11515",
    "kind": "arxiv",
    "version": 1
  }
}