Pith Number

pith:GCEVXXHP

pith:2017:GCEVXXHPRA7WJJMYSXLLKI26FD

not attested not anchored not stored refs pending

A Nash Type result for Divergence Parabolic Equation related to Hormander's vector fields

Lingling Hou, Pengcheng Niu

arxiv:1705.06278 v1 · 2017-05-17 · 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{GCEVXXHPRA7WJJMYSXLLKI26FD}

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	2026-05-18T00:44:15.109145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30895bdcef883f64a59895d6b5235e28d920df4f2cd1c45d3cac11e17fb0a60d

Aliases

arxiv: 1705.06278 · arxiv_version: 1705.06278v1 · doi: 10.48550/arxiv.1705.06278 · pith_short_12: GCEVXXHPRA7W · pith_short_16: GCEVXXHPRA7WJJMY · pith_short_8: GCEVXXHP

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/GCEVXXHPRA7WJJMYSXLLKI26FD \
  | 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: 30895bdcef883f64a59895d6b5235e28d920df4f2cd1c45d3cac11e17fb0a60d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1db80f51acd1a20b88153bb7499119d81a952ecb963b0c6b5659b06d20519f55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-05-17T01:46:40Z",
    "title_canon_sha256": "fdda59987ca32f70de260f945b7353d67b848748f2d4bab65cf88d6f54cb034b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06278",
    "kind": "arxiv",
    "version": 1
  }
}