Pith Number

pith:QGBRH2WU

pith:2015:QGBRH2WUVRD4DTCCWIRQM7UNWU

not attested not anchored not stored refs pending

Non-reductive automorphism groups, the Loewy filtration and K-stability

Giulio Codogni, Ruadha\'i Dervan

arxiv:1501.03372 v3 · 2015-01-14 · math.AG · math.DG · 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{QGBRH2WUVRD4DTCCWIRQM7UNWU}

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	2026-05-18T01:09:11.959127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

818313ead4ac47c1cc42b223067e8db53c397189564e788ce9c153d220dbe798

Aliases

arxiv: 1501.03372 · arxiv_version: 1501.03372v3 · doi: 10.48550/arxiv.1501.03372 · pith_short_12: QGBRH2WUVRD4 · pith_short_16: QGBRH2WUVRD4DTCC · pith_short_8: QGBRH2WU

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/QGBRH2WUVRD4DTCCWIRQM7UNWU \
  | 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: 818313ead4ac47c1cc42b223067e8db53c397189564e788ce9c153d220dbe798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "643c1afd13bab5748b9ff6fa55b2c4093202d7a0d00b83fec7cdbb453df23bd7",
    "cross_cats_sorted": [
      "math.DG",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-01-14T15:38:51Z",
    "title_canon_sha256": "d5e3d78b063f4349c79d736b3b18a900dd2c101f6ebf4ff28e9110d4818f6c8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.03372",
    "kind": "arxiv",
    "version": 3
  }
}