Pith Number

pith:FD2YZ4R7

pith:2013:FD2YZ4R745QWD6666ZBSWT5QZR

not attested not anchored not stored refs pending

Tangent cones to Schubert varieties in types $A_n$, $B_n$ and $C_n$

Aleksandr A. Shevchenko, Mikhail A. Bochkarev, Mikhail V. Ignatyev

arxiv:1310.3166 v2 · 2013-10-11 · 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{FD2YZ4R745QWD6666ZBSWT5QZR}

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	2026-05-18T02:29:39.230907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28f58cf23fe76161fbdef6432b4fb0cc44eeb64bad68f2d103b9e319e790b36c

Aliases

arxiv: 1310.3166 · arxiv_version: 1310.3166v2 · doi: 10.48550/arxiv.1310.3166 · pith_short_12: FD2YZ4R745QW · pith_short_16: FD2YZ4R745QWD666 · pith_short_8: FD2YZ4R7

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/FD2YZ4R745QWD6666ZBSWT5QZR \
  | 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: 28f58cf23fe76161fbdef6432b4fb0cc44eeb64bad68f2d103b9e319e790b36c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee7f051c5a93764857de06697997483e77f731e0506068b1d043d5ff20325267",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-10-11T15:23:49Z",
    "title_canon_sha256": "828e22be9e38c8f94b8abc5068361584f59556f48978e90786fdf7b623f83e5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3166",
    "kind": "arxiv",
    "version": 2
  }
}