Pith Number

pith:RBR3T44D

pith:2019:RBR3T44DDUAXPLVT5OFCYRHKBX

not attested not anchored not stored refs pending

Torus quotient of Richardson varieties in Orthogonal and Symplectic Grassmannians

Arpita Nayek, Santosha Kumar Pattanayak

arxiv:1902.04353 v1 · 2019-02-12 · 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{RBR3T44DDUAXPLVT5OFCYRHKBX}

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	2026-05-17T23:54:12.504835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8863b9f3831d0177aeb3eb8a2c44ea0dc007f91f97fbcac61c0a6ae0c8fc25d2

Aliases

arxiv: 1902.04353 · arxiv_version: 1902.04353v1 · doi: 10.48550/arxiv.1902.04353 · pith_short_12: RBR3T44DDUAX · pith_short_16: RBR3T44DDUAXPLVT · pith_short_8: RBR3T44D

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/RBR3T44DDUAXPLVT5OFCYRHKBX \
  | 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: 8863b9f3831d0177aeb3eb8a2c44ea0dc007f91f97fbcac61c0a6ae0c8fc25d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0375587b2373755bbba6fd00e31dcce6a40044a187f4b236b8a0ff5be493a4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-02-12T12:22:38Z",
    "title_canon_sha256": "45372c0505bc7f5888c6ba2fe8019581afdb0c2cb420785ae39b9eaf89f8faee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04353",
    "kind": "arxiv",
    "version": 1
  }
}