Pith Number

pith:2FFPFAUH

pith:2017:2FFPFAUHBAYNFRX2W7MPX6UK6S

not attested not anchored not stored refs pending

Biderivations and commutative post-Lie algebra structures on the Lie algebra W(a,b)

Xiaomin Tang

arxiv:1712.09202 v2 · 2017-12-26 · 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{2FFPFAUHBAYNFRX2W7MPX6UK6S}

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	2026-05-18T00:26:53.353824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d14af282870830d2c6fab7d8fbfa8af4a1d14478fe1892259c0fcc9ab8496518

Aliases

arxiv: 1712.09202 · arxiv_version: 1712.09202v2 · doi: 10.48550/arxiv.1712.09202 · pith_short_12: 2FFPFAUHBAYN · pith_short_16: 2FFPFAUHBAYNFRX2 · pith_short_8: 2FFPFAUH

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/2FFPFAUHBAYNFRX2W7MPX6UK6S \
  | 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: d14af282870830d2c6fab7d8fbfa8af4a1d14478fe1892259c0fcc9ab8496518

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ee24de758ea852895aa7fd8d9a91933321bb8bbdee6d26f70e869ae5c2fc39d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-12-26T08:03:08Z",
    "title_canon_sha256": "7a5774ef6384dd42197c3e1b1b562aa730fff71e24687c10cbd979c4d5c83ead"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09202",
    "kind": "arxiv",
    "version": 2
  }
}