Pith Number

pith:XSU62PYK

pith:2009:XSU62PYKKTTCKGGUIDZOVITTBN

not attested not anchored not stored refs pending

On simplicity and stability of tangent bundles of rational homogeneous varieties

Ada Boralevi

arxiv:0901.2350 v1 · 2009-01-15 · math.AG · math.RT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSU62PYKKTTCKGGUIDZOVITTBN}

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	2026-05-18T03:10:37.862445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bca9ed3f0a54e62518d440f2eaa2730b7b37332a7ba0409c17ebb97cd6da56e9

Aliases

arxiv: 0901.2350 · arxiv_version: 0901.2350v1 · doi: 10.48550/arxiv.0901.2350 · pith_short_12: XSU62PYKKTTC · pith_short_16: XSU62PYKKTTCKGGU · pith_short_8: XSU62PYK

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/XSU62PYKKTTCKGGUIDZOVITTBN \
  | 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: bca9ed3f0a54e62518d440f2eaa2730b7b37332a7ba0409c17ebb97cd6da56e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05ae25b383af5e8124960cab383e57f7bca35e82067d897b44b65775f8572d5a",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-01-15T21:22:15Z",
    "title_canon_sha256": "1c5219a52e071cca945202ba606480735017bb8670683bd7dbcfe17632c8df63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2350",
    "kind": "arxiv",
    "version": 1
  }
}