Pith Number

pith:H2RTFFIS

pith:2018:H2RTFFIS43KPMSFNHYOE35XHJX

not attested not anchored not stored refs pending

A New Bound on Hrushovski's Algorithm for Computing the Galois Group of a Linear Differential Equation

Mengxiao Sun

arxiv:1803.07105 v3 · 2018-03-19 · math.AC · cs.SC · 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{H2RTFFIS43KPMSFNHYOE35XHJX}

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	2026-05-17T23:53:51.541253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ea3329512e6d4f648ad3e1c4df6e74de9e5ce922b0505abaac486f63872e81c

Aliases

arxiv: 1803.07105 · arxiv_version: 1803.07105v3 · doi: 10.48550/arxiv.1803.07105 · pith_short_12: H2RTFFIS43KP · pith_short_16: H2RTFFIS43KPMSFN · pith_short_8: H2RTFFIS

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/H2RTFFIS43KPMSFNHYOE35XHJX \
  | 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: 3ea3329512e6d4f648ad3e1c4df6e74de9e5ce922b0505abaac486f63872e81c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd101327a4355d26bd54d8510cadedb801d61347c4f6284d6865645601126f40",
    "cross_cats_sorted": [
      "cs.SC",
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-03-19T18:27:58Z",
    "title_canon_sha256": "d7d25b5bc9b620b2ed7089fea1520413a0a4df7eeaad05ede0851d4688593ddd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07105",
    "kind": "arxiv",
    "version": 3
  }
}