Pith Number

pith:BFX6HKMY

pith:2019:BFX6HKMYGUY2TVYBMXJW7GRYJG

not attested not anchored not stored refs pending

The Frobenius morphism in invariant theory II

Michel Van den Bergh, Theo Raedschelders, \v{S}pela \v{S}penko

arxiv:1901.10956 v1 · 2019-01-30 · math.AG · math.AC · math.RA · 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{BFX6HKMYGUY2TVYBMXJW7GRYJG}

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	2026-05-17T23:55:05.676229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

096fe3a9983531a9d70165d36f9a38499cdc6cff682c5be0b3dcd5872b195cd1

Aliases

arxiv: 1901.10956 · arxiv_version: 1901.10956v1 · doi: 10.48550/arxiv.1901.10956 · pith_short_12: BFX6HKMYGUY2 · pith_short_16: BFX6HKMYGUY2TVYB · pith_short_8: BFX6HKMY

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/BFX6HKMYGUY2TVYBMXJW7GRYJG \
  | 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: 096fe3a9983531a9d70165d36f9a38499cdc6cff682c5be0b3dcd5872b195cd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1efd84e6934c9d2a704c61494060828dfaacd5ee85d96965195a385c22376989",
    "cross_cats_sorted": [
      "math.AC",
      "math.RA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-01-30T17:11:04Z",
    "title_canon_sha256": "4832671c4e1c57d06d81a139d7fe1984f7bfbb009a3615bf531f08b74142aca2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10956",
    "kind": "arxiv",
    "version": 1
  }
}