Pith Number

pith:SY4UIALP

pith:2011:SY4UIALPDSSEHEI5DAOD7TVXQS

not attested not anchored not stored refs pending

The Picard Group of Simply Connected Regular Varieties and Stratified Line Bundles

Lars Kindler

arxiv:1104.2263 v1 · 2011-04-12 · 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{SY4UIALPDSSEHEI5DAOD7TVXQS}

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	2026-05-18T04:24:35.663639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

963944016f1ca443911d181c3fceb7849ce388859c63f213ad48a82577cd6a34

Aliases

arxiv: 1104.2263 · arxiv_version: 1104.2263v1 · doi: 10.48550/arxiv.1104.2263 · pith_short_12: SY4UIALPDSSE · pith_short_16: SY4UIALPDSSEHEI5 · pith_short_8: SY4UIALP

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/SY4UIALPDSSEHEI5DAOD7TVXQS \
  | 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: 963944016f1ca443911d181c3fceb7849ce388859c63f213ad48a82577cd6a34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83407beeec987e778d3708d3a0aa6d4fad15a47b645258e760db294ca5ba8a01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-04-12T16:33:01Z",
    "title_canon_sha256": "1d5a96b8abe145ae1b0d15b8e7a1bf589693a157855dfacb05cfc4bdffd56435"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2263",
    "kind": "arxiv",
    "version": 1
  }
}