Pith Number

pith:57TBRRKC

pith:2012:57TBRRKCEEJMW5YWAIJV7FK3PW

not attested not anchored not stored refs pending

Pl\:ucker relations and spherical varieties: application to model varieties

Andrea Maffei, Rocco Chirivi'

arxiv:1211.3918 v2 · 2012-11-16 · math.RT · 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{57TBRRKCEEJMW5YWAIJV7FK3PW}

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	2026-05-18T02:48:17.922834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efe618c5422112cb771602135f955b7da19f04ac6c25f469689e777b183c6480

Aliases

arxiv: 1211.3918 · arxiv_version: 1211.3918v2 · doi: 10.48550/arxiv.1211.3918 · pith_short_12: 57TBRRKCEEJM · pith_short_16: 57TBRRKCEEJMW5YW · pith_short_8: 57TBRRKC

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/57TBRRKCEEJMW5YWAIJV7FK3PW \
  | 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: efe618c5422112cb771602135f955b7da19f04ac6c25f469689e777b183c6480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a62f356799f2732b85d0cade441c8deaf62d9f696a0182f53f1eceb24f28ff07",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2012-11-16T15:24:42Z",
    "title_canon_sha256": "acafd7455f1da04ea89a1b2e633b77363296e6646b76fde26b61b2b5b00dc9f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3918",
    "kind": "arxiv",
    "version": 2
  }
}