Pith Number

pith:XWPOHLHS

pith:2023:XWPOHLHS6Y5RNAV6USBSENJ73D

not attested not anchored not stored refs pending

Numerical approximation of the solution of Koiter's model for an elliptic membrane shell subjected to an obstacle via the penalty method

Paolo Piersanti, Xiaoqin Shen, Xin Peng

arxiv:2304.07671 v3 · 2023-04-16 · math.NA · cs.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{XWPOHLHS6Y5RNAV6USBSENJ73D}

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	2026-07-05T07:54:30.083347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd9ee3acf2f63b1682bea48322353fd8d94e6de5d48e34ad568f41587395f272

Aliases

arxiv: 2304.07671 · arxiv_version: 2304.07671v3 · doi: 10.48550/arxiv.2304.07671 · pith_short_12: XWPOHLHS6Y5R · pith_short_16: XWPOHLHS6Y5RNAV6 · pith_short_8: XWPOHLHS

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/XWPOHLHS6Y5RNAV6USBSENJ73D \
  | 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: bd9ee3acf2f63b1682bea48322353fd8d94e6de5d48e34ad568f41587395f272

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc5abc8023d09a916ef9e39a02cb4286bd050dfe37f86c413e78aa1fb42a9e04",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-04-16T02:09:53Z",
    "title_canon_sha256": "e20494dfa7d72744da5a01c6f41cfed734b61d4fe779ab85fd2dd9e938b930d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.07671",
    "kind": "arxiv",
    "version": 3
  }
}