Pith Number

pith:5RKT6JJG

pith:2019:5RKT6JJGMCGOMDUTMIQURQ52PY

not attested not anchored not stored refs pending

Schubert curves in the orthogonal Grassmannian

Jake Levinson, Kevin Purbhoo, Maria Gillespie

arxiv:1903.01673 v1 · 2019-03-05 · math.CO · 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{5RKT6JJGMCGOMDUTMIQURQ52PY}

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	2026-05-17T23:52:00.086127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec553f2526608ce60e93622148c3ba7e3f8fb2bba1f6b202e470717d3e9db758

Aliases

arxiv: 1903.01673 · arxiv_version: 1903.01673v1 · doi: 10.48550/arxiv.1903.01673 · pith_short_12: 5RKT6JJGMCGO · pith_short_16: 5RKT6JJGMCGOMDUT · pith_short_8: 5RKT6JJG

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/5RKT6JJGMCGOMDUTMIQURQ52PY \
  | 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: ec553f2526608ce60e93622148c3ba7e3f8fb2bba1f6b202e470717d3e9db758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a300b937afc5add9116c5f5289add48592597074cfa47eb5522a38501bf63fd",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-03-05T05:14:03Z",
    "title_canon_sha256": "c02a8cbcdd4cbe34e286e6ea31c411f9851412a3a39f2fc97c0abeea06ef6a17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01673",
    "kind": "arxiv",
    "version": 1
  }
}