Pith Number

pith:6LOGIRBI

pith:2013:6LOGIRBI3FYXFNHEO4I3UNQMHD

not attested not anchored not stored refs pending

WSLD operators II: the new fourth order difference approximations for space Riemann-Liouville derivative

Minghua Chen, Weihua Deng

arxiv:1306.5900 v1 · 2013-06-25 · 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{6LOGIRBI3FYXFNHEO4I3UNQMHD}

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	2026-05-18T02:43:36.988645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2dc644428d97172b4e47711ba360c38ecdf1cf292aa6b7b4e03dbea084f0595

Aliases

arxiv: 1306.5900 · arxiv_version: 1306.5900v1 · doi: 10.48550/arxiv.1306.5900 · pith_short_12: 6LOGIRBI3FYX · pith_short_16: 6LOGIRBI3FYXFNHE · pith_short_8: 6LOGIRBI

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/6LOGIRBI3FYXFNHEO4I3UNQMHD \
  | 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: f2dc644428d97172b4e47711ba360c38ecdf1cf292aa6b7b4e03dbea084f0595

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "245d8dd37356ebcb302b605646f4cde950547f64a82033336b53f2f39f790aac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-06-25T09:47:18Z",
    "title_canon_sha256": "e061e2eb111d23b16d4f27158c203914e41188f2c839d54c7b8e073713faeacb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5900",
    "kind": "arxiv",
    "version": 1
  }
}