Pith Number

pith:FJGFAGBJ

pith:2018:FJGFAGBJ7KQYFTFFKBX6NAZATR

not attested not anchored not stored refs pending

On universal $\alpha$-central extensions of Hom-preLie algebras

Bing Sun, Liangyun Chen, Xin Zhou

arxiv:1810.09848 v1 · 2018-10-20 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FJGFAGBJ7KQYFTFFKBX6NAZATR}

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	2026-05-18T00:02:29.177772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a4c501829faa182cca5506fe683209c5ce3afda7ce5f0b6eed5fe54cd3cc52a

Aliases

arxiv: 1810.09848 · arxiv_version: 1810.09848v1 · doi: 10.48550/arxiv.1810.09848 · pith_short_12: FJGFAGBJ7KQY · pith_short_16: FJGFAGBJ7KQYFTFF · pith_short_8: FJGFAGBJ

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/FJGFAGBJ7KQYFTFFKBX6NAZATR \
  | 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: 2a4c501829faa182cca5506fe683209c5ce3afda7ce5f0b6eed5fe54cd3cc52a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d8b344ba2ba2438349a4f4fec5f34df592a27f14812fc7e7b857c8b39ddeff4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-10-20T04:14:33Z",
    "title_canon_sha256": "192e77f0b08f4a48d754b2d48110b723663a9395223c09f84858dcf01658afb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09848",
    "kind": "arxiv",
    "version": 1
  }
}