Pith Number

pith:ER2RGIJS

pith:2018:ER2RGIJSKBXB44LKYRKXLHDZER

not attested not anchored not stored refs pending

A class of fully nonlinear equations

Weiyong He, Xiuxiong Chen

arxiv:1802.04985 v1 · 2018-02-14 · 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{ER2RGIJSKBXB44LKYRKXLHDZER}

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	2026-05-18T00:23:22.023597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2475132132506e1e716ac455759c79245e22483cb6db3f7dd810d40cf3057f48

Aliases

arxiv: 1802.04985 · arxiv_version: 1802.04985v1 · doi: 10.48550/arxiv.1802.04985 · pith_short_12: ER2RGIJSKBXB · pith_short_16: ER2RGIJSKBXB44LK · pith_short_8: ER2RGIJS

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/ER2RGIJSKBXB44LKYRKXLHDZER \
  | 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: 2475132132506e1e716ac455759c79245e22483cb6db3f7dd810d40cf3057f48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "616ee0f15359e123bec87270abd25a8f8f3032d5564c35440deb7753d9caa4dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-02-14T08:25:06Z",
    "title_canon_sha256": "d9e13e3ebf87bd89424a267a8e437e3a9a5159c77d8abafdab465778b4a0303c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04985",
    "kind": "arxiv",
    "version": 1
  }
}