Pith Number

pith:WEMBT7IV

pith:2020:WEMBT7IVIW6MENHDVTFVU5DEQJ

not attested not anchored not stored refs pending

Bott-Samelson-Demazure-Hansen Varieties for Projective Homogeneous Varieties with Nonreduced Stabilizers

Siqing Zhang

arxiv:2010.07507 v2 · 2020-10-15 · 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{WEMBT7IVIW6MENHDVTFVU5DEQJ}

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	2026-07-05T03:46:43.599293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b11819fd1545bcc234e3accb5a7464825833dbecf5983ccbe6b459115abde58b

Aliases

arxiv: 2010.07507 · arxiv_version: 2010.07507v2 · doi: 10.48550/arxiv.2010.07507 · pith_short_12: WEMBT7IVIW6M · pith_short_16: WEMBT7IVIW6MENHD · pith_short_8: WEMBT7IV

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/WEMBT7IVIW6MENHDVTFVU5DEQJ \
  | 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: b11819fd1545bcc234e3accb5a7464825833dbecf5983ccbe6b459115abde58b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "714afed2de4dbec34485b3cb510d83a0c4ec274747d00ae00aa127a61be0b900",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-10-15T04:16:12Z",
    "title_canon_sha256": "437f7c9c2b045a94be006d5cc58775d27b440025ce6a0497ddf8861df1b41d53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.07507",
    "kind": "arxiv",
    "version": 2
  }
}