Pith Number

pith:FN6O2D2O

pith:2016:FN6O2D2OLXBCPWLWLWO6WSDIKY

not attested not anchored not stored refs pending

A Petrov-Galerkin Spectral Element Method for Fractional Elliptic Problems

Ehsan Kharazmi, George Em Karniadakis, Mohsen Zayernouri

arxiv:1610.08608 v1 · 2016-10-27 · 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{FN6O2D2OLXBCPWLWLWO6WSDIKY}

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	2026-05-18T00:33:22.463098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b7ced0f4e5dc227d9765d9deb48685602a765a9997e320cb4816003ef941c04

Aliases

arxiv: 1610.08608 · arxiv_version: 1610.08608v1 · doi: 10.48550/arxiv.1610.08608 · pith_short_12: FN6O2D2OLXBC · pith_short_16: FN6O2D2OLXBCPWLW · pith_short_8: FN6O2D2O

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/FN6O2D2OLXBCPWLWLWO6WSDIKY \
  | 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: 2b7ced0f4e5dc227d9765d9deb48685602a765a9997e320cb4816003ef941c04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2c75e2295927d43b73dc296c56a1b18ff91662a7098304df669bb43c96e524c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-27T04:09:06Z",
    "title_canon_sha256": "b6e244f8d65d843e27cdd6965f070f42774927d851f336eaa8b7bfbf0eb7c499"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08608",
    "kind": "arxiv",
    "version": 1
  }
}