Pith Number

pith:JGXS675J

pith:2009:JGXS675J3O7ONFYADNXJHTGVG7

not attested not anchored not stored refs pending

Composition algebras and the two faces of $G_{2}$

Luis J. Boya, R. Campoamor-Stursberg

arxiv:0911.3387 v1 · 2009-11-17 · 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{JGXS675J3O7ONFYADNXJHTGVG7}

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	2026-05-18T02:34:04.856261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49af2f7fa9dbbee697001b6e93ccd537ea5e858cf6fadf650036c49ec9177712

Aliases

arxiv: 0911.3387 · arxiv_version: 0911.3387v1 · doi: 10.48550/arxiv.0911.3387 · pith_short_12: JGXS675J3O7O · pith_short_16: JGXS675J3O7ONFYA · pith_short_8: JGXS675J

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/JGXS675J3O7ONFYADNXJHTGVG7 \
  | 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: 49af2f7fa9dbbee697001b6e93ccd537ea5e858cf6fadf650036c49ec9177712

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7855e761f734797240132d6e9f9fa001cf2899f33e14622069a11dc05702c580",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-11-17T19:58:56Z",
    "title_canon_sha256": "d64c1245cc3bc094799d3a2d897dfb9a714448f0a6a4be01deaa2347c7014a97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3387",
    "kind": "arxiv",
    "version": 1
  }
}