Pith Number

pith:D7ZP4CKA

pith:2019:D7ZP4CKAEXBFXWJUGA7X6VDSWU

not attested not anchored not stored refs pending

An ultraweak formulation of the Reissner-Mindlin plate bending model and DPG approximation

Francisco-Javier Sayas, Norbert Heuer, Thomas F\"uhrer

arxiv:1906.04869 v1 · 2019-06-12 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D7ZP4CKAEXBFXWJUGA7X6VDSWU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:43:30.293745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ff2fe094025c25bd934303f7f5472b53188eb197a6edde0d51f35eccca6adfd

Aliases

arxiv: 1906.04869 · arxiv_version: 1906.04869v1 · doi: 10.48550/arxiv.1906.04869 · pith_short_12: D7ZP4CKAEXBF · pith_short_16: D7ZP4CKAEXBFXWJU · pith_short_8: D7ZP4CKA

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/D7ZP4CKAEXBFXWJUGA7X6VDSWU \
  | 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: 1ff2fe094025c25bd934303f7f5472b53188eb197a6edde0d51f35eccca6adfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84d939c8b13b55644c34613570ff2dc8f2f58d27d12877f40a049f77afd2e0a4",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-06-12T00:17:18Z",
    "title_canon_sha256": "a667f100a103d6150cdee5dd512dae7859aa132a406a103c1c298f8539251d2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04869",
    "kind": "arxiv",
    "version": 1
  }
}