Pith Number

pith:B6GVDNP2

pith:2025:B6GVDNP2MUCQIZ5LLRPRKYTJBD

not attested not anchored not stored refs pending

Invariant theory for non-reductive actions: extensions of Hilbert and Schwarz theorems

Leandro Nery

arxiv:2510.19053 v2 · 2025-10-21 · math.AG · math.DG · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B6GVDNP2MUCQIZ5LLRPRKYTJBD}

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	2026-05-17T23:39:17.264098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f8d51b5fa65050467ab5c5f15626908f70773a3e8dcae3994a820e409ad5b94

Aliases

arxiv: 2510.19053 · arxiv_version: 2510.19053v2 · doi: 10.48550/arxiv.2510.19053 · pith_short_12: B6GVDNP2MUCQ · pith_short_16: B6GVDNP2MUCQIZ5L · pith_short_8: B6GVDNP2

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/B6GVDNP2MUCQIZ5LLRPRKYTJBD \
  | 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: 0f8d51b5fa65050467ab5c5f15626908f70773a3e8dcae3994a820e409ad5b94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5460c089358ac31179570e8706f3f3650aaace69994813e32186a6032b6c3a93",
    "cross_cats_sorted": [
      "math.DG",
      "math.GR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-10-21T20:11:42Z",
    "title_canon_sha256": "901c696ab0aa3fc35901051475decb5973ff56e00307722886203e89348ebe9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.19053",
    "kind": "arxiv",
    "version": 2
  }
}