Pith Number

pith:TX7LK7IO

pith:2019:TX7LK7IODEAYY5ADWY2ZZJHEAB

not attested not anchored not stored refs pending

Killing-Yano 2-forms on 2-step nilpotent Lie groups

Adri\'an Andrada, Isabel G. Dotti

arxiv:1907.03662 v1 · 2019-07-08 · 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{TX7LK7IODEAYY5ADWY2ZZJHEAB}

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	2026-05-17T23:41:14.078609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9dfeb57d0e19018c7403b6359ca4e40076b27c998651424a8880cd32088d65b6

Aliases

arxiv: 1907.03662 · arxiv_version: 1907.03662v1 · doi: 10.48550/arxiv.1907.03662 · pith_short_12: TX7LK7IODEAY · pith_short_16: TX7LK7IODEAYY5AD · pith_short_8: TX7LK7IO

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/TX7LK7IODEAYY5ADWY2ZZJHEAB \
  | 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: 9dfeb57d0e19018c7403b6359ca4e40076b27c998651424a8880cd32088d65b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e93d55cd73a881fadaee0ef23d8a2ac651a9607c8233632863a98818e25336f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2019-07-08T14:58:20Z",
    "title_canon_sha256": "bc358941cd3dcc4ef6f6b6370ce77a7e3112b310c0f87781a5e54ccb3593a386"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03662",
    "kind": "arxiv",
    "version": 1
  }
}