Pith Number

pith:G45MBOMU

pith:2010:G45MBOMUPO6AG6RVGSDJANREUB

not attested not anchored not stored refs pending

Maximal compatible splitting and diagonals of Kempf varieties

Jesper Funch Thomsen, Niels Lauritzen

arxiv:1004.2847 v2 · 2010-04-16 · math.AG · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G45MBOMUPO6AG6RVGSDJANREUB}

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	2026-05-18T04:41:43.896420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

373ac0b9947bbc037a353486903624a062fb81602a0c3010912476b9698bc6ee

Aliases

arxiv: 1004.2847 · arxiv_version: 1004.2847v2 · doi: 10.48550/arxiv.1004.2847 · pith_short_12: G45MBOMUPO6A · pith_short_16: G45MBOMUPO6AG6RV · pith_short_8: G45MBOMU

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/G45MBOMUPO6AG6RVGSDJANREUB \
  | 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: 373ac0b9947bbc037a353486903624a062fb81602a0c3010912476b9698bc6ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "301c31016a68e69766094fbdbdd6f88f6708ee63175fc179726ef1c889bc5f1d",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-04-16T14:11:31Z",
    "title_canon_sha256": "1630930b6badaed95ce756c4e60ffa8d8e45f9e263b6e69d1f7a64730c112a05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2847",
    "kind": "arxiv",
    "version": 2
  }
}