Pith Number

pith:LVW6MXSX

pith:2019:LVW6MXSXTA7VE57QTZNKFHEPVB

not attested not anchored not stored refs pending

New classes of null hypersurfaces in indefinite Sasakian space-forms

Samuel Ssekajja

arxiv:1907.05721 v1 · 2019-07-10 · 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{LVW6MXSXTA7VE57QTZNKFHEPVB}

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	2026-05-17T23:40:44.649344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d6de65e57983f5277f09e5aa29c8fa86ae727b6b8f7fcffacdfea849a445913

Aliases

arxiv: 1907.05721 · arxiv_version: 1907.05721v1 · doi: 10.48550/arxiv.1907.05721 · pith_short_12: LVW6MXSXTA7V · pith_short_16: LVW6MXSXTA7VE57Q · pith_short_8: LVW6MXSX

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/LVW6MXSXTA7VE57QTZNKFHEPVB \
  | 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: 5d6de65e57983f5277f09e5aa29c8fa86ae727b6b8f7fcffacdfea849a445913

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e8cdfe993119d4e4d52f24469974888e9fd8623b95f5da5df7f7a2953e28117",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-07-10T18:59:00Z",
    "title_canon_sha256": "8c32467f536452ac491cdb9f4247de2195b9d2512dd28b2075b92959e31d4a22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05721",
    "kind": "arxiv",
    "version": 1
  }
}