Pith Number

pith:6BJ7DDDH

pith:2014:6BJ7DDDH723GT2JA5RRYVNLHMC

not attested not anchored not stored refs pending

$C^\infty$ local solutions of elliptical $2-$Hessian equation in $\mathbb{R}^3$

Chao-Jiang Xu (LMRS), Guiji Tian, Qi Wang

arxiv:1406.3613 v1 · 2014-06-13 · 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{6BJ7DDDH723GT2JA5RRYVNLHMC}

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	2026-05-18T02:49:46.383347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f053f18c67feb669e920ec638ab56760a2031c77eb21334e3dadb42cc73e1ff7

Aliases

arxiv: 1406.3613 · arxiv_version: 1406.3613v1 · doi: 10.48550/arxiv.1406.3613 · pith_short_12: 6BJ7DDDH723G · pith_short_16: 6BJ7DDDH723GT2JA · pith_short_8: 6BJ7DDDH

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/6BJ7DDDH723GT2JA5RRYVNLHMC \
  | 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: f053f18c67feb669e920ec638ab56760a2031c77eb21334e3dadb42cc73e1ff7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6be785aaddaf215565b305b7c09b69d76caf369758af241baef85fe0670e7192",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-06-13T19:30:12Z",
    "title_canon_sha256": "c342ae0c9a144c451dbdae8953292efc099036e75e20cb14aacebdd192874f51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3613",
    "kind": "arxiv",
    "version": 1
  }
}