Pith Number

pith:VQZLQ4JK

pith:2014:VQZLQ4JKBJG465JZTWAEUZUQEM

not attested not anchored not stored refs pending

Rank $2$ quasiparabolic vector bundles on $\mathbb{P}^1$ and the variety of linear subspaces contained in two odd-dimensional quadrics

C. Casagrande

arxiv:1410.3087 v1 · 2014-10-12 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VQZLQ4JKBJG465JZTWAEUZUQEM}

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	2026-05-18T02:40:17.091854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac32b8712a0a4dcf75399d804a6690230b6109e1a4d6b7727d89244878bd9aa4

Aliases

arxiv: 1410.3087 · arxiv_version: 1410.3087v1 · doi: 10.48550/arxiv.1410.3087 · pith_short_12: VQZLQ4JKBJG4 · pith_short_16: VQZLQ4JKBJG465JZ · pith_short_8: VQZLQ4JK

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/VQZLQ4JKBJG465JZTWAEUZUQEM \
  | 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: ac32b8712a0a4dcf75399d804a6690230b6109e1a4d6b7727d89244878bd9aa4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f34c47b22efb312a030eca31d9bc1f9955e8ea9de1b9da926544da651a60dd3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-10-12T13:25:50Z",
    "title_canon_sha256": "e7d78799c2c12b8616d184adadc878a7b8d2a5d18d051d2c5a1e4cac342f0430"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.3087",
    "kind": "arxiv",
    "version": 1
  }
}