Pith Number

pith:E6PLPOWK

pith:2012:E6PLPOWK5J3WFBTI757VAVKVEF

not attested not anchored not stored refs pending

Polynomial Spectral collocation Method for Space Fractional Advection-Diffusion Equation

Weihua Deng, WenYi Tian, Yujiang Wu

arxiv:1212.3410 v1 · 2012-12-14 · 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{E6PLPOWK5J3WFBTI757VAVKVEF}

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	2026-05-18T03:00:49.770457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

279eb7bacaea77628668ff7f5055552166f0e02acc736827ee3fe746d9e726e5

Aliases

arxiv: 1212.3410 · arxiv_version: 1212.3410v1 · doi: 10.48550/arxiv.1212.3410 · pith_short_12: E6PLPOWK5J3W · pith_short_16: E6PLPOWK5J3WFBTI · pith_short_8: E6PLPOWK

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/E6PLPOWK5J3WFBTI757VAVKVEF \
  | 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: 279eb7bacaea77628668ff7f5055552166f0e02acc736827ee3fe746d9e726e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e6cc557c69fa96e89ff822583637bd0f207284acea73ef0b4897dc8dd98c9c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-12-14T08:35:41Z",
    "title_canon_sha256": "5672263fdb89ce99e2f10f3f529eec8d28ec9facb834064890485b01158d4cd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3410",
    "kind": "arxiv",
    "version": 1
  }
}