Pith Number

pith:XXUMHAZ7

pith:2001:XXUMHAZ7OFBODCGDEDYAJBHFYX

not attested not anchored not stored refs pending

Considerations on Super Poincare Algebras and their Extensions to Simple Superalgebras

M. A. Lledo, S. Ferrara

arxiv:hep-th/0112177 v2 · 2001-12-19 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XXUMHAZ7OFBODCGDEDYAJBHFYX}

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	2026-07-04T16:28:12.736088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bde8c3833f7142e188c320f00484e5c5c69d3202ac434d2bbe1737d6089467d3

Aliases

arxiv: hep-th/0112177 · arxiv_version: hep-th/0112177v2 · doi: 10.48550/arxiv.hep-th/0112177 · pith_short_12: XXUMHAZ7OFBO · pith_short_16: XXUMHAZ7OFBODCGD · pith_short_8: XXUMHAZ7

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/XXUMHAZ7OFBODCGDEDYAJBHFYX \
  | 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: bde8c3833f7142e188c320f00484e5c5c69d3202ac434d2bbe1737d6089467d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d613b88e8e9b144bc271b110a0867a0231927c93d8f3d56b27844b7d427539e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-12-19T14:56:36Z",
    "title_canon_sha256": "d208227e9471f424c084772a5c0855cd395a0fec379f0a056aa1ce02e8a8502d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0112177",
    "kind": "arxiv",
    "version": 2
  }
}