Pith Number

pith:JQQR4FSO

pith:2018:JQQR4FSOA6EUHKFNOUOZHPZ2L3

not attested not anchored not stored refs pending

The time-dependent von K\'arm\'an shell equation as a limit of three-dimensional nonlinear elasticity

Pengfei Yao, Yizhao Qin

arxiv:1802.00593 v2 · 2018-02-02 · 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{JQQR4FSOA6EUHKFNOUOZHPZ2L3}

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	2026-05-18T00:18:31.010559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c211e164e078943a8ad751d93bf3a5eda75e245ca1863feed53e43d2760849c

Aliases

arxiv: 1802.00593 · arxiv_version: 1802.00593v2 · doi: 10.48550/arxiv.1802.00593 · pith_short_12: JQQR4FSOA6EU · pith_short_16: JQQR4FSOA6EUHKFN · pith_short_8: JQQR4FSO

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/JQQR4FSOA6EUHKFNOUOZHPZ2L3 \
  | 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: 4c211e164e078943a8ad751d93bf3a5eda75e245ca1863feed53e43d2760849c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df1318b345b9104791d3e13519e4ea0400d861fe80d81aaa41b558be47c2a4bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-02T08:12:12Z",
    "title_canon_sha256": "0f3b840a664fd9db421800f2df0d3939cd3027590ccac7767117b11a2cfc09ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00593",
    "kind": "arxiv",
    "version": 2
  }
}