Pith Number

pith:XU5TJLK6

pith:2019:XU5TJLK6SBSZMX4SRLXTBACX4D

not attested not anchored not stored refs pending

Rigidity of Bott-Samelson-Demazure-Hansen variety for $F_4$ and $G_2$

Pinakinath Saha, S.Senthamarai Kannan

arxiv:1908.05595 v1 · 2019-08-13 · math.AG · math.CO · 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{XU5TJLK6SBSZMX4SRLXTBACX4D}

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	2026-07-05T03:27:24.102780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd3b34ad5e9065965f928aef308057e0fb5ee8baba10afa15fa723c08f3daedd

Aliases

arxiv: 1908.05595 · arxiv_version: 1908.05595v1 · doi: 10.48550/arxiv.1908.05595 · pith_short_12: XU5TJLK6SBSZ · pith_short_16: XU5TJLK6SBSZMX4S · pith_short_8: XU5TJLK6

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/XU5TJLK6SBSZMX4SRLXTBACX4D \
  | 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: bd3b34ad5e9065965f928aef308057e0fb5ee8baba10afa15fa723c08f3daedd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49b860c986eacf4da920fda2d319680ee476ae41f27c00d5a7c7b6b6868a6a69",
    "cross_cats_sorted": [
      "math.CO",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-13T19:25:15Z",
    "title_canon_sha256": "de2672e8330c1fbc75c6dc7f01c27c305f0fbae2746a83f48537d3ae14ca8a38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05595",
    "kind": "arxiv",
    "version": 1
  }
}