Pith Number

pith:YXUUF4UO

pith:2011:YXUUF4UOVYCKK54R7YANEH3EPT

not attested not anchored not stored refs pending

Semisimplicity of indefinite extrinsic symmetric spaces and mean curvature

Ines Kath

arxiv:1105.5807 v1 · 2011-05-29 · 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{YXUUF4UOVYCKK54R7YANEH3EPT}

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	2026-05-18T04:21:01.496912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5e942f28eae04a57791fe00d21f647cd81555e070475a29753f82e51231bd4f

Aliases

arxiv: 1105.5807 · arxiv_version: 1105.5807v1 · doi: 10.48550/arxiv.1105.5807 · pith_short_12: YXUUF4UOVYCK · pith_short_16: YXUUF4UOVYCKK54R · pith_short_8: YXUUF4UO

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/YXUUF4UOVYCKK54R7YANEH3EPT \
  | 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: c5e942f28eae04a57791fe00d21f647cd81555e070475a29753f82e51231bd4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37874adba401daa0faec7fce04f1a3156693d02a6ff3c373d952ec077362f72c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-05-29T17:30:06Z",
    "title_canon_sha256": "f180dd34599173c5bdb7372392afdd9f83da18a202e6358449ab5d74ff29f360"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5807",
    "kind": "arxiv",
    "version": 1
  }
}