Pith Number

pith:E6IF2JN2

pith:2019:E6IF2JN2WWT2GI65IISPONMMVN

not attested not anchored not stored refs pending

Rigidity theorem for a static triple with half harmonic Weyl curvature

Li Chen, Xi Guo

arxiv:1909.09572 v1 · 2019-09-20 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6IF2JN2WWT2GI65IISPONMMVN}

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	2026-07-05T00:06:01.707936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27905d25bab5a7a323dd4224f7358cab61e9fb1aa68cd408a8cbe62a9879dbbf

Aliases

arxiv: 1909.09572 · arxiv_version: 1909.09572v1 · doi: 10.48550/arxiv.1909.09572 · pith_short_12: E6IF2JN2WWT2 · pith_short_16: E6IF2JN2WWT2GI65 · pith_short_8: E6IF2JN2

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/E6IF2JN2WWT2GI65IISPONMMVN \
  | 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: 27905d25bab5a7a323dd4224f7358cab61e9fb1aa68cd408a8cbe62a9879dbbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29424dd4ef4912f75f54ee57c0aa24725247fea14c32e2558aebb2fe306a3de7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-09-20T15:50:39Z",
    "title_canon_sha256": "2e459c83315bc4e218e781b711fc2de837abb93b543a6534a36d6a9c5ef747f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09572",
    "kind": "arxiv",
    "version": 1
  }
}