Pith Number

pith:T7WMKVNR

pith:2017:T7WMKVNR7VTHNJKGNOPUHU5TK5

not attested not anchored not stored refs pending

Inversion of some curvature operators near a parallel Ricci metric II: Non-compact manifold with bounded geometry

Erwann Delay (LMA)

arxiv:1701.06390 v1 · 2017-01-23 · 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{T7WMKVNR7VTHNJKGNOPUHU5TK5}

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	2026-05-18T00:52:18.543225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fecc555b1fd6676a5466b9f43d3b357687bab733efa980de323f7bd2d57c00a

Aliases

arxiv: 1701.06390 · arxiv_version: 1701.06390v1 · doi: 10.48550/arxiv.1701.06390 · pith_short_12: T7WMKVNR7VTH · pith_short_16: T7WMKVNR7VTHNJKG · pith_short_8: T7WMKVNR

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/T7WMKVNR7VTHNJKGNOPUHU5TK5 \
  | 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: 9fecc555b1fd6676a5466b9f43d3b357687bab733efa980de323f7bd2d57c00a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1359845b5eebddafcf876b5a71fc145fc07e064727a2546f095ee586d304732",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-01-23T13:54:38Z",
    "title_canon_sha256": "c60cf8001d870fb9c589bbaa3378b8e122baef33a52d5a382074e2d42b5ce6c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06390",
    "kind": "arxiv",
    "version": 1
  }
}