Pith Number

pith:AYICK5S4

pith:2015:AYICK5S4LT4VEUYE7TV6XMZ5L3

not attested not anchored not stored refs pending

A discontinuous Galerkin method for time fractional diffusion equations with variable coefficients

B. Abdallah, K.M. Furati, K. Mustapha, M. Nour

arxiv:1511.00163 v1 · 2015-10-31 · 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{AYICK5S4LT4VEUYE7TV6XMZ5L3}

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	2026-05-18T01:28:13.095124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

061025765c5cf9525304fcebebb33d5ee17ad58e148ac8733a1a6f3ec39cf3a4

Aliases

arxiv: 1511.00163 · arxiv_version: 1511.00163v1 · doi: 10.48550/arxiv.1511.00163 · pith_short_12: AYICK5S4LT4V · pith_short_16: AYICK5S4LT4VEUYE · pith_short_8: AYICK5S4

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/AYICK5S4LT4VEUYE7TV6XMZ5L3 \
  | 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: 061025765c5cf9525304fcebebb33d5ee17ad58e148ac8733a1a6f3ec39cf3a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40145920493e4064c60ef3a32f45ce3a2c8a005cfbb1a302fd7c9d168c2772c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-31T19:16:57Z",
    "title_canon_sha256": "e17d889f095c6e08760ab898fda44b008b3235188a7b5654b0d541009c52bbd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00163",
    "kind": "arxiv",
    "version": 1
  }
}