Pith Number

pith:EJLXG4NM

pith:2009:EJLXG4NMFTLJ2SHKC5ZRRH5DAH

not attested not anchored not stored refs pending

Dual Formulation of the Lie Algebra S-expansion Procedure

Alfredo P\'erez, Eduardo Rodr\'iguez, Fernando Izaurieta, Patricio Salgado

arxiv:0903.4712 v1 · 2009-03-26 · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EJLXG4NMFTLJ2SHKC5ZRRH5DAH}

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	2026-05-18T02:14:19.226827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22577371ac2cd69d48ea1773189fa301d7932e13f1fd88ad76e1fd2e663fae51

Aliases

arxiv: 0903.4712 · arxiv_version: 0903.4712v1 · doi: 10.48550/arxiv.0903.4712 · pith_short_12: EJLXG4NMFTLJ · pith_short_16: EJLXG4NMFTLJ2SHK · pith_short_8: EJLXG4NM

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/EJLXG4NMFTLJ2SHKC5ZRRH5DAH \
  | 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: 22577371ac2cd69d48ea1773189fa301d7932e13f1fd88ad76e1fd2e663fae51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c792c0cc52d9345afe2959a005080938e9c18c2c9d5bb6db5dc3bac8f8b2bf6",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-03-26T22:33:04Z",
    "title_canon_sha256": "4663e99fe4c895cd5056afe9625d79db5ea3029c1943590a8b79cb71333ed2c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4712",
    "kind": "arxiv",
    "version": 1
  }
}