Pith Number

pith:W5DNQZ5V

pith:2018:W5DNQZ5V6DVSE7WONBBZ572WLT

not attested not anchored not stored refs pending

A third Strang lemma and an Aubin-Nitsche trick for schemes in fully discrete formulation

Daniele A. Di Pietro, J\'er\^ome Droniou

arxiv:1804.09484 v5 · 2018-04-25 · 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{W5DNQZ5V6DVSE7WONBBZ572WLT}

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	2026-05-18T00:00:43.410543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b746d867b5f0eb227ece68439eff565cf2b57febea094817990fa653fb6314c9

Aliases

arxiv: 1804.09484 · arxiv_version: 1804.09484v5 · doi: 10.48550/arxiv.1804.09484 · pith_short_12: W5DNQZ5V6DVS · pith_short_16: W5DNQZ5V6DVSE7WO · pith_short_8: W5DNQZ5V

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/W5DNQZ5V6DVSE7WONBBZ572WLT \
  | 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: b746d867b5f0eb227ece68439eff565cf2b57febea094817990fa653fb6314c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02fd6ba41764d189051dbccea961ad66f91f9d73e62020764c7a413e8561f765",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-25T11:25:37Z",
    "title_canon_sha256": "fc4eed40f4c53449eb93aac36c4a12d6ec798f5152b7e58e9e579d78797cc93b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09484",
    "kind": "arxiv",
    "version": 5
  }
}