Pith Number

pith:CKEKOEYV

pith:2013:CKEKOEYVIS4EOT2CBSVNOCLCP7

not attested not anchored not stored refs pending

An adaptive finite element method for the infinity Laplacian

Omar Lakkis, Tristan Pryer

arxiv:1311.3930 v1 · 2013-11-15 · math.NA · math.AP · nlin.AO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CKEKOEYVIS4EOT2CBSVNOCLCP7}

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	2026-05-18T00:44:29.343573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1288a7131544b8474f420caad709627fc7b6b62759dd99c1ba0805c2f80326fa

Aliases

arxiv: 1311.3930 · arxiv_version: 1311.3930v1 · doi: 10.48550/arxiv.1311.3930 · pith_short_12: CKEKOEYVIS4E · pith_short_16: CKEKOEYVIS4EOT2C · pith_short_8: CKEKOEYV

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/CKEKOEYVIS4EOT2CBSVNOCLCP7 \
  | 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: 1288a7131544b8474f420caad709627fc7b6b62759dd99c1ba0805c2f80326fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bbd18523ba5300bb031bffc514348e19bc9267b8248f2dbad85b9dfe74ae66a",
    "cross_cats_sorted": [
      "math.AP",
      "nlin.AO"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-11-15T17:27:29Z",
    "title_canon_sha256": "f93e6ca2584a796f16676220385753addf0192873e087da7c054f170eb9388b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3930",
    "kind": "arxiv",
    "version": 1
  }
}