Pith Number

pith:4KXACG3D

pith:2015:4KXACG3DMHFWRSBSC4A3SMX2GI

not attested not anchored not stored refs pending

A simple finite element method for the boundary value problem with a Riemann-Liouville derivative

Bangti Jin, Raytcho Lazarov, Xiliang Lu, Zhi Zhou

arxiv:1502.07840 v1 · 2015-02-27 · 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{4KXACG3DMHFWRSBSC4A3SMX2GI}

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	2026-05-18T02:26:02.036739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2ae011b6361cb68c8321701b932fa32305aeb45c4d6fec647a577875719e7f1

Aliases

arxiv: 1502.07840 · arxiv_version: 1502.07840v1 · doi: 10.48550/arxiv.1502.07840 · pith_short_12: 4KXACG3DMHFW · pith_short_16: 4KXACG3DMHFWRSBS · pith_short_8: 4KXACG3D

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/4KXACG3DMHFWRSBSC4A3SMX2GI \
  | 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: e2ae011b6361cb68c8321701b932fa32305aeb45c4d6fec647a577875719e7f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9aa5df2ca27ef8c3c260cf0c1dde7fcf38d9de52bc2f6f4f15805836e8a4d45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-02-27T09:49:17Z",
    "title_canon_sha256": "d62b9ec0f8844bffccc8000e2a6790efdc312381369c2897a23e63b7631f5575"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07840",
    "kind": "arxiv",
    "version": 1
  }
}