Pith Number

pith:ZT3VSYCK

pith:2018:ZT3VSYCKHANN3ENEFOIKNPOSH6

not attested not anchored not stored refs pending

The Neumann Boundary Problem for Elliptic Partial Differential Equations with Nonlinear Divergence Terms

Jing Zhang, Xue Yang

arxiv:1804.08469 v1 · 2018-04-23 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZT3VSYCKHANN3ENEFOIKNPOSH6}

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	2026-05-18T00:17:48.251463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccf759604a381add91a42b90a6bdd23f9eb474e206c7c2afe85fa1acc6771d99

Aliases

arxiv: 1804.08469 · arxiv_version: 1804.08469v1 · doi: 10.48550/arxiv.1804.08469 · pith_short_12: ZT3VSYCKHANN · pith_short_16: ZT3VSYCKHANN3ENE · pith_short_8: ZT3VSYCK

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/ZT3VSYCKHANN3ENEFOIKNPOSH6 \
  | 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: ccf759604a381add91a42b90a6bdd23f9eb474e206c7c2afe85fa1acc6771d99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aba159b9fd617e512eb58c4af9a76af59481a077a810e5d0512c0b5fb442992e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2018-04-23T14:31:51Z",
    "title_canon_sha256": "2868a7a7c00721095eb48805bf17603dbc21463e127de1655ed6451d6068ae24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08469",
    "kind": "arxiv",
    "version": 1
  }
}