Pith Number

pith:VAQLMUEY

pith:2021:VAQLMUEY7QDYAMFWQAOPURQT5T

not attested not anchored not stored refs pending

The Neumann problem for a type of fully nonlinear complex equations

Weisong Dong, Wei Wei

arxiv:2104.11045 v2 · 2021-04-22 · 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{VAQLMUEY7QDYAMFWQAOPURQT5T}

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	2026-07-05T02:34:49.836488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a820b65098fc078030b6801cfa4613ecdf1621b609bed7fa0d97e588f9cb20c0

Aliases

arxiv: 2104.11045 · arxiv_version: 2104.11045v2 · doi: 10.48550/arxiv.2104.11045 · pith_short_12: VAQLMUEY7QDY · pith_short_16: VAQLMUEY7QDYAMFW · pith_short_8: VAQLMUEY

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/VAQLMUEY7QDYAMFWQAOPURQT5T \
  | 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: a820b65098fc078030b6801cfa4613ecdf1621b609bed7fa0d97e588f9cb20c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deb6474ce18af64ef598bbf3a22a099960a54da807a1e81a2f1d0cd106b97549",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2021-04-22T13:22:44Z",
    "title_canon_sha256": "7532c93ba36a7a533526c8f0d6ed21df533c84f6da602c8f633b31002197f505"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11045",
    "kind": "arxiv",
    "version": 2
  }
}