Pith Number

pith:IC7GYWTJ

pith:2021:IC7GYWTJXJK6D4YOSBSMH2G2TX

not attested not anchored not stored refs pending

The isomorphism problem for Schubert varieties

Edward Richmond, William Slofstra

arxiv:2103.08114 v2 · 2021-03-15 · math.AG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IC7GYWTJXJK6D4YOSBSMH2G2TX}

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.

Cited by

1 paper in Pith

An anticanonical perspective on G/P Schubert varieties

Receipt and verification

First computed	2026-07-05T04:25:09.473005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40be6c5a69ba55e1f30e9064c3e8da9dddd1fdc639387e3f9e6935b26356747c

Aliases

arxiv: 2103.08114 · arxiv_version: 2103.08114v2 · doi: 10.48550/arxiv.2103.08114 · pith_short_12: IC7GYWTJXJK6 · pith_short_16: IC7GYWTJXJK6D4YO · pith_short_8: IC7GYWTJ

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/IC7GYWTJXJK6D4YOSBSMH2G2TX \
  | 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: 40be6c5a69ba55e1f30e9064c3e8da9dddd1fdc639387e3f9e6935b26356747c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e826a04c3039900ecdea500145512f74256cd56d27f591aef107819d5fbc734",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2021-03-15T03:23:03Z",
    "title_canon_sha256": "7e50e3a6a01aa9ca2795382a041d633ab47f2f6f53c01ac050882785b492ccf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.08114",
    "kind": "arxiv",
    "version": 2
  }
}