Pith Number

pith:B5Q4SLML

pith:2019:B5Q4SLMLQYCYVS2KTRH7XEDCP6

not attested not anchored not stored refs pending

Computing Dixmier Invariants and Some Geometric Configurations of Quartic Curves with 2 Involutions

Dun Liang

arxiv:1904.01960 v1 · 2019-04-02 · 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{B5Q4SLMLQYCYVS2KTRH7XEDCP6}

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	2026-05-17T23:49:29.135473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f61c92d8b86058acb4a9c4ffb90627f87f97d75e1bcf5843e67fb44fc2c0051

Aliases

arxiv: 1904.01960 · arxiv_version: 1904.01960v1 · doi: 10.48550/arxiv.1904.01960 · pith_short_12: B5Q4SLMLQYCY · pith_short_16: B5Q4SLMLQYCYVS2K · pith_short_8: B5Q4SLML

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/B5Q4SLMLQYCYVS2KTRH7XEDCP6 \
  | 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: 0f61c92d8b86058acb4a9c4ffb90627f87f97d75e1bcf5843e67fb44fc2c0051

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba69bd4d5e02b28ef171f734f787bc3812b3d86067a75c9e29f62544a27a4ce5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-04-02T07:50:01Z",
    "title_canon_sha256": "4f8e326cb6365f6386633259944eebfd9d9e14254072034cb97c8e8101808d0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01960",
    "kind": "arxiv",
    "version": 1
  }
}