Pith Number

pith:X27MWI6I

pith:2018:X27MWI6ITL2JK7BGW6VB42U6WF

not attested not anchored not stored refs pending

A bipolynomial fractional Dirichlet-Laplace problem

Dariusz Idczak

arxiv:1812.11349 v1 · 2018-12-29 · 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{X27MWI6ITL2JK7BGW6VB42U6WF}

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	2026-05-17T23:57:12.185234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bebecb23c89af4957c26b7aa1e6a9eb16578b67f4e097c00eabbb2d6f04eb251

Aliases

arxiv: 1812.11349 · arxiv_version: 1812.11349v1 · doi: 10.48550/arxiv.1812.11349 · pith_short_12: X27MWI6ITL2J · pith_short_16: X27MWI6ITL2JK7BG · pith_short_8: X27MWI6I

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/X27MWI6ITL2JK7BGW6VB42U6WF \
  | 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: bebecb23c89af4957c26b7aa1e6a9eb16578b67f4e097c00eabbb2d6f04eb251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9bd464b244fe4cba01be4321e29c58dc7ecfbc3d72fab3d1065463d83a997de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-12-29T12:04:53Z",
    "title_canon_sha256": "f963685e2feacbf2b1dc73c55da11c32af35521e1f2cdfa1fecc925a79e59c13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11349",
    "kind": "arxiv",
    "version": 1
  }
}