Pith Number

pith:SFTFCAOL

pith:2019:SFTFCAOLKQBZHJYWVBVR3IFTAK

not attested not anchored not stored refs pending

Separable rational connectedness and weak approximation in positive characteristic

Jason Michael Starr, Zhiyu Tian

arxiv:1907.07041 v1 · 2019-07-16 · math.AG · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFTFCAOLKQBZHJYWVBVR3IFTAK}

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	2026-05-17T23:40:28.287234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91665101cb540393a716a86b1da0b3029711368cfb530de0ebf19d591d1ba17e

Aliases

arxiv: 1907.07041 · arxiv_version: 1907.07041v1 · doi: 10.48550/arxiv.1907.07041 · pith_short_12: SFTFCAOLKQBZ · pith_short_16: SFTFCAOLKQBZHJYW · pith_short_8: SFTFCAOL

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/SFTFCAOLKQBZHJYWVBVR3IFTAK \
  | 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: 91665101cb540393a716a86b1da0b3029711368cfb530de0ebf19d591d1ba17e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e84e56863305d1238d601507e91ca106297da9eff26987220acca586008d639",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-07-16T14:46:40Z",
    "title_canon_sha256": "4a7a7f0d9e1e9ce48886292b0dfe78a8d84afd77f740367b4e9bc1afa7c1f0d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07041",
    "kind": "arxiv",
    "version": 1
  }
}