Pith Number

pith:CNJKDZIR

pith:2017:CNJKDZIRDLK567Z5KRBSERR7GC

not attested not anchored not stored refs pending

A finite difference method for space fractional differential equations with variable diffusivity coefficient

K. Furati, K. Mustapha, O. Le Maitre, O. M. Knio

arxiv:1706.00971 v2 · 2017-06-03 · 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{CNJKDZIRDLK567Z5KRBSERR7GC}

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	2026-05-18T00:21:51.208481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1352a1e5111ad5df7f3d544322463f308ed2fadf210987319e0f8c2a449aaed7

Aliases

arxiv: 1706.00971 · arxiv_version: 1706.00971v2 · doi: 10.48550/arxiv.1706.00971 · pith_short_12: CNJKDZIRDLK5 · pith_short_16: CNJKDZIRDLK567Z5 · pith_short_8: CNJKDZIR

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/CNJKDZIRDLK567Z5KRBSERR7GC \
  | 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: 1352a1e5111ad5df7f3d544322463f308ed2fadf210987319e0f8c2a449aaed7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dc48fca7cd73a301381338c71a2991d18ba212c1a7c90c1b8f36b27422f00f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-06-03T16:00:24Z",
    "title_canon_sha256": "03a4f43bfe33e8143644e1b3bdf63b37638a38f551c2d36f05c76220d7444637"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00971",
    "kind": "arxiv",
    "version": 2
  }
}