Pith Number

pith:MS7MPL43

pith:2010:MS7MPL43GAL3JYLSTR5EDAJB6M

not attested not anchored not stored refs pending

On Frobenius incidence varieties of linear subspaces over finite fields

Ichiro Shimada

arxiv:1007.4614 v4 · 2010-07-27 · 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{MS7MPL43GAL3JYLSTR5EDAJB6M}

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	2026-05-18T04:10:47.176150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64bec7af9b3017b4e1729c7a418121f302dad991dee65c87eb2aaf6c05262821

Aliases

arxiv: 1007.4614 · arxiv_version: 1007.4614v4 · doi: 10.48550/arxiv.1007.4614 · pith_short_12: MS7MPL43GAL3 · pith_short_16: MS7MPL43GAL3JYLS · pith_short_8: MS7MPL43

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/MS7MPL43GAL3JYLSTR5EDAJB6M \
  | 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: 64bec7af9b3017b4e1729c7a418121f302dad991dee65c87eb2aaf6c05262821

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d697bbf01a335426825235a4468e2d8aaa27f85345e01ff959a1d28ae62bdec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-07-27T04:05:25Z",
    "title_canon_sha256": "ff7f1ef4af59655c1f2e80ab215d43b41aadd58bd8a16d4e0bc7c001bb668b48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4614",
    "kind": "arxiv",
    "version": 4
  }
}