Pith Number

pith:B6PQSDXC

pith:2018:B6PQSDXCFNWH35W2TX6SPZX2TR

not attested not anchored not stored refs pending

Mimetic Properties of Difference Operators: Product and Chain Rules as for Functions of Bounded Variation and Entropy Stability of Second Derivatives

Hendrik Ranocha

arxiv:1805.09126 v2 · 2018-05-23 · math.NA · cs.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{B6PQSDXCFNWH35W2TX6SPZX2TR}

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.

Cited by

1 paper in Pith

Discrete Vector Calculus and Helmholtz Hodge Decomposition for Classical Finite Difference Summation by Parts Operators

Receipt and verification

First computed	2026-06-04T19:11:55.111518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f9f090ee22b6c7df6da9dfd27e6fa9c7665e9583f913c568cf27c70e4d0d8f1

Aliases

arxiv: 1805.09126 · arxiv_version: 1805.09126v2 · doi: 10.48550/arxiv.1805.09126 · pith_short_12: B6PQSDXCFNWH · pith_short_16: B6PQSDXCFNWH35W2 · pith_short_8: B6PQSDXC

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/B6PQSDXCFNWH35W2TX6SPZX2TR \
  | 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: 0f9f090ee22b6c7df6da9dfd27e6fa9c7665e9583f913c568cf27c70e4d0d8f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d865a72c83636d30de8974601cdffff06c0750859e31028725d2a85e2d88488",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-05-23T13:23:23Z",
    "title_canon_sha256": "734f8d275ceb06f3fca208116cdf1398ddefaba053c549b1e8af8096b59c7263"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.09126",
    "kind": "arxiv",
    "version": 2
  }
}