Pith Number

pith:LXDXNUBM

pith:2015:LXDXNUBMHYSFJCKO2FL47O4QN4

not attested not anchored not stored refs pending

Homogeneous $(\alpha,\beta)$-spaces with positive flag curvature and vanishing S-curvature

Ming Xu, ShaoQiang Deng

arxiv:1503.03962 v1 · 2015-03-13 · 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{LXDXNUBMHYSFJCKO2FL47O4QN4}

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	2026-05-18T02:23:57.569328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dc776d02c3e2454894ed157cfbb906f0fc3c584fa845e7e9d44d5f713bfd777

Aliases

arxiv: 1503.03962 · arxiv_version: 1503.03962v1 · doi: 10.48550/arxiv.1503.03962 · pith_short_12: LXDXNUBMHYSF · pith_short_16: LXDXNUBMHYSFJCKO · pith_short_8: LXDXNUBM

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/LXDXNUBMHYSFJCKO2FL47O4QN4 \
  | 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: 5dc776d02c3e2454894ed157cfbb906f0fc3c584fa845e7e9d44d5f713bfd777

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "131ad123098cd85db5e279cca8dbfdc57b0dfc0aa94a5e338f1f1825d66944da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2015-03-13T06:20:51Z",
    "title_canon_sha256": "75f6cac52108478d565663ace474554df16084d39ed580a99aca77a291d5c631"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03962",
    "kind": "arxiv",
    "version": 1
  }
}