Pith Number

pith:HXWGMFV3

pith:2013:HXWGMFV3LBAUSVWAUGTOLIWUP7

not attested not anchored not stored refs pending

Unipotent differential algebraic groups as parameterized differential Galois groups

Alexey Ovchinnikov, Andrey Minchenko, Michael F. Singer

arxiv:1301.0092 v2 · 2013-01-01 · math.AC · math.CA · math.DS · 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{HXWGMFV3LBAUSVWAUGTOLIWUP7}

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	2026-05-17T23:53:18.136552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dec6616bb58414956c0a1a6e5a2d47ff045ae5623898effbaff5ee13279e676

Aliases

arxiv: 1301.0092 · arxiv_version: 1301.0092v2 · doi: 10.48550/arxiv.1301.0092 · pith_short_12: HXWGMFV3LBAU · pith_short_16: HXWGMFV3LBAUSVWA · pith_short_8: HXWGMFV3

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/HXWGMFV3LBAUSVWAUGTOLIWUP7 \
  | 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: 3dec6616bb58414956c0a1a6e5a2d47ff045ae5623898effbaff5ee13279e676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a4512f144c46ea36fce7869d73945ef94d8cc476c730fc7735f2593d9cd1eb7",
    "cross_cats_sorted": [
      "math.CA",
      "math.DS",
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2013-01-01T14:36:32Z",
    "title_canon_sha256": "2d06e32b83bb6862c0e9e90da5a360f6bca7057a352756dc83730bff5bb585e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0092",
    "kind": "arxiv",
    "version": 2
  }
}