Pith Number

pith:PXHKGJT6

pith:2015:PXHKGJT6RZZHSY2VJEYXZH6Z7P

not attested not anchored not stored refs pending

The interior $C^2$ estimate for prescribed Gauss curvature equation in dimension two

Chuanqiang Chen, Fei Han, Qianzhong Ou

arxiv:1512.01147 v2 · 2015-12-02 · 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{PXHKGJT6RZZHSY2VJEYXZH6Z7P}

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	2026-05-18T01:17:30.379391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dcea3267e8e7279635549317c9fd9fbf3e52f6b0aebf2347f1204f126404439

Aliases

arxiv: 1512.01147 · arxiv_version: 1512.01147v2 · doi: 10.48550/arxiv.1512.01147 · pith_short_12: PXHKGJT6RZZH · pith_short_16: PXHKGJT6RZZHSY2V · pith_short_8: PXHKGJT6

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/PXHKGJT6RZZHSY2VJEYXZH6Z7P \
  | 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: 7dcea3267e8e7279635549317c9fd9fbf3e52f6b0aebf2347f1204f126404439

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09e944a4f1c7f32937785b9913156bdc30c2ca53cff641e035f4d94863a28f6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2015-12-02T12:55:33Z",
    "title_canon_sha256": "d6a9d1361928e0d1e01d206916374c344cf11febf7d45a7f25c3c27026fe21ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01147",
    "kind": "arxiv",
    "version": 2
  }
}