Pith Number

pith:ECKB2REN

pith:2011:ECKB2RENGNYDMA4PTJJK2UY64Y

not attested not anchored not stored refs pending

(p,q) D=3 Poincare supergravities from Lie algebra expansions

Jose A. de Azcarraga, Jose M. Izquierdo

arxiv:1107.2569 v2 · 2011-07-13 · hep-th · gr-qc · 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{ECKB2RENGNYDMA4PTJJK2UY64Y}

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	2026-05-18T02:01:19.037465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20941d448d337036038f9a52ad531ee6299a7d3c01aabf64c0599dcaa1324775

Aliases

arxiv: 1107.2569 · arxiv_version: 1107.2569v2 · doi: 10.48550/arxiv.1107.2569 · pith_short_12: ECKB2RENGNYD · pith_short_16: ECKB2RENGNYDMA4P · pith_short_8: ECKB2REN

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/ECKB2RENGNYDMA4PTJJK2UY64Y \
  | 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: 20941d448d337036038f9a52ad531ee6299a7d3c01aabf64c0599dcaa1324775

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06477ec31e774dc53274794b4f9a98c7f88eba0d6997038794d86fb290e732ac",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-07-13T15:10:35Z",
    "title_canon_sha256": "304240bbd4b5eed2fb51e827968b34dc58a96938f0617785f406570e99bc8181"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2569",
    "kind": "arxiv",
    "version": 2
  }
}