Pith Number

pith:CACCTEX2

pith:2016:CACCTEX2A7QVNH5FSFQRWAXJMH

not attested not anchored not stored refs pending

A kernel-based discretisation method for first order partial differential equations of evolution type

Holger Wendland, Tobias Ramming

arxiv:1601.06142 v1 · 2016-01-22 · math.NA · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CACCTEX2A7QVNH5FSFQRWAXJMH}

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	2026-05-18T01:22:09.146694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10042992fa07e1569fa591611b02e961d5c0912185523ca2797ff8041f19869e

Aliases

arxiv: 1601.06142 · arxiv_version: 1601.06142v1 · doi: 10.48550/arxiv.1601.06142 · pith_short_12: CACCTEX2A7QV · pith_short_16: CACCTEX2A7QVNH5F · pith_short_8: CACCTEX2

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/CACCTEX2A7QVNH5FSFQRWAXJMH \
  | 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: 10042992fa07e1569fa591611b02e961d5c0912185523ca2797ff8041f19869e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03bde0ee4e5f405817cf238d0ee953bbae86addae47f107d4e264f5f1cf219d4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-01-22T20:34:22Z",
    "title_canon_sha256": "4985084e4283e4af4435cc234c39a894790fe01471b7de20157ee8d023bce4df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06142",
    "kind": "arxiv",
    "version": 1
  }
}