Pith Number

pith:XOAWOXZR

pith:2015:XOAWOXZRAIJLWV5RPGIKAMN6N7

not attested not anchored not stored refs pending

Classification of isolated singularities of nonnegative solutions to fractional semi-linear elliptic equations and the existence results

Alexander Quaas, Huyuan Chen

arxiv:1509.05836 v2 · 2015-09-19 · 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{XOAWOXZRAIJLWV5RPGIKAMN6N7}

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	2026-05-18T01:31:13.313210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb81675f310212bb57b17990a031be6fd94dd45d4ddfd80642732442cbb1c6d5

Aliases

arxiv: 1509.05836 · arxiv_version: 1509.05836v2 · doi: 10.48550/arxiv.1509.05836 · pith_short_12: XOAWOXZRAIJL · pith_short_16: XOAWOXZRAIJLWV5R · pith_short_8: XOAWOXZR

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/XOAWOXZRAIJLWV5RPGIKAMN6N7 \
  | 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: bb81675f310212bb57b17990a031be6fd94dd45d4ddfd80642732442cbb1c6d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3e3178fe7e195fdf9b2d6e62809236877863f2835358626876133d055ff0d1d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-09-19T01:05:34Z",
    "title_canon_sha256": "14095f2eeb28f39f090375b4b07a1808a0f503e4378eb3306d69b80b8cf03d34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05836",
    "kind": "arxiv",
    "version": 2
  }
}