Pith Number

pith:KA44TNMH

pith:2009:KA44TNMHKCXB7MMBM3DNBI7LRJ

not attested not anchored not stored refs pending

Supersymmetry algebra cohomology I: Definition and general structure

Friedemann Brandt

arxiv:0911.2118 v5 · 2009-11-11 · 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{KA44TNMHKCXB7MMBM3DNBI7LRJ}

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	2026-05-18T04:25:01.752416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5039c9b58750ae1fb18166c6d0a3eb8a54df2da51fe740f4fe6ba5edd24fb808

Aliases

arxiv: 0911.2118 · arxiv_version: 0911.2118v5 · doi: 10.48550/arxiv.0911.2118 · pith_short_12: KA44TNMHKCXB · pith_short_16: KA44TNMHKCXB7MMB · pith_short_8: KA44TNMH

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/KA44TNMHKCXB7MMBM3DNBI7LRJ \
  | 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: 5039c9b58750ae1fb18166c6d0a3eb8a54df2da51fe740f4fe6ba5edd24fb808

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "620ecc528cb2fbdeb0e724c25af3091c0d88b0334dd69938830eeafbdd83fb97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-11-11T12:30:08Z",
    "title_canon_sha256": "18d21302bec3d200d7d6c8d9ec9a98381f112db8464c59b0ee3f1a638fda146c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2118",
    "kind": "arxiv",
    "version": 5
  }
}