Pith Number

pith:RKMI7SS5

pith:2019:RKMI7SS5O4K7HKU5XBBQA763EV

not attested not anchored not stored refs pending

Nonlinear elliptic equations on the upper half space

Lei Wang, Meijun Zhu, Sufanf Tang

arxiv:1906.03739 v1 · 2019-06-10 · 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{RKMI7SS5O4K7HKU5XBBQA763EV}

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	2026-05-17T23:43:45.102227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a988fca5d7715f3aa9db843007fdb257fc07ae9e6c3ff327bbdd9328b7005ed

Aliases

arxiv: 1906.03739 · arxiv_version: 1906.03739v1 · doi: 10.48550/arxiv.1906.03739 · pith_short_12: RKMI7SS5O4K7 · pith_short_16: RKMI7SS5O4K7HKU5 · pith_short_8: RKMI7SS5

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/RKMI7SS5O4K7HKU5XBBQA763EV \
  | 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: 8a988fca5d7715f3aa9db843007fdb257fc07ae9e6c3ff327bbdd9328b7005ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a17bb44535d60ec7d59693d71315fbb3b5c900c1a3a16b9c9dfc542eeb35355",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-06-10T00:06:52Z",
    "title_canon_sha256": "6d8f42cf155b43532a8a9080da458ac098ea8b6193ad1ba90ca27a3ece229c74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03739",
    "kind": "arxiv",
    "version": 1
  }
}