Pith Number

pith:WLXF5KT3

pith:2017:WLXF5KT3CUX65QYFL6TFEVGGUI

not attested not anchored not stored refs pending

A Convergent Finite Difference Scheme for the Variational Heat Equation

G. M. Coclite, J. Ridder, N. H. Risebro

arxiv:1701.01265 v1 · 2017-01-05 · math.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WLXF5KT3CUX65QYFL6TFEVGGUI}

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	2026-05-18T00:32:14.099260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2ee5eaa7b152feec3055fa65254c6a205198bc0701f833ba9438193b9b3318a

Aliases

arxiv: 1701.01265 · arxiv_version: 1701.01265v1 · doi: 10.48550/arxiv.1701.01265 · pith_short_12: WLXF5KT3CUX6 · pith_short_16: WLXF5KT3CUX65QYF · pith_short_8: WLXF5KT3

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/WLXF5KT3CUX65QYFL6TFEVGGUI \
  | 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: b2ee5eaa7b152feec3055fa65254c6a205198bc0701f833ba9438193b9b3318a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1d94555cd42b157a8f0c289722e152f1d99c403db43695d5a1065b45ab69a4f",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-01-05T09:55:48Z",
    "title_canon_sha256": "4c620023f5c5a071df1fc4a1faf8e47997146638edc82cd99a14fdd11328578b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01265",
    "kind": "arxiv",
    "version": 1
  }
}