Pith Number

pith:YWVGKV3R

pith:2017:YWVGKV3RS4QYO25M7S7H5RFBMM

not attested not anchored not stored refs pending

Isolated singularities for elliptic equations with Hardy operator and source nonlinearity

Feng Zhou, Huyuan Chen

arxiv:1706.01793 v2 · 2017-06-06 · 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{YWVGKV3RS4QYO25M7S7H5RFBMM}

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	2026-05-18T00:41:44.003077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5aa6557719721876bacfcbe7ec4a163287035a379cca457ba091e65e8eb2fa3

Aliases

arxiv: 1706.01793 · arxiv_version: 1706.01793v2 · doi: 10.48550/arxiv.1706.01793 · pith_short_12: YWVGKV3RS4QY · pith_short_16: YWVGKV3RS4QYO25M · pith_short_8: YWVGKV3R

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/YWVGKV3RS4QYO25M7S7H5RFBMM \
  | 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: c5aa6557719721876bacfcbe7ec4a163287035a379cca457ba091e65e8eb2fa3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4d5225e20822223adfb95984e9cae8f1b2f8109a7f6259547c4e774efd0410d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-06-06T14:42:22Z",
    "title_canon_sha256": "8ceb2ae7f8e9f82c00f6f988df9e9f1ef20db8bae3d8bc4af80037bedd0f25b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.01793",
    "kind": "arxiv",
    "version": 2
  }
}