Pith Number

pith:UCYG7XEM

pith:2017:UCYG7XEMUC7DEA5UPCPPYBZ335

not attested not anchored not stored refs pending

Seven dimensional cohomogeneity one manifolds with nonnegative curvature

Luigi Verdiani, Wolfgang Ziller

arxiv:1705.09032 v2 · 2017-05-25 · 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{UCYG7XEMUC7DEA5UPCPPYBZ335}

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	2026-05-18T00:18:05.335306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0b06fdc8ca0be3203b4789efc073bdf43f7ab93e94bdedb1580c30bcff763c6

Aliases

arxiv: 1705.09032 · arxiv_version: 1705.09032v2 · doi: 10.48550/arxiv.1705.09032 · pith_short_12: UCYG7XEMUC7D · pith_short_16: UCYG7XEMUC7DEA5U · pith_short_8: UCYG7XEM

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/UCYG7XEMUC7DEA5UPCPPYBZ335 \
  | 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: a0b06fdc8ca0be3203b4789efc073bdf43f7ab93e94bdedb1580c30bcff763c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e60326ab1888bd24078db462536c3793dfd24c2a1a681db15bdee532287d21e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-05-25T02:58:37Z",
    "title_canon_sha256": "0f91fc6daf854da6c016a3c00b1ff146fb8166f0ab638f0699076e580184706e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09032",
    "kind": "arxiv",
    "version": 2
  }
}