Pith Number

pith:7DW5E4U3

pith:2009:7DW5E4U3PVUDNNERTK5AVCRPRS

not attested not anchored not stored refs pending

The Algebra of Grand Unified Theories

John C. Baez, John Huerta

arxiv:0904.1556 v2 · 2009-04-09 · hep-th · hep-ph · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DW5E4U3PVUDNNERTK5AVCRPRS}

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.

Cited by

3 papers in Pith

Octonions, complex structures and Standard Model fermions

A Superalgebra Within: representations of lightest standard model particles form a $\mathbb{Z}_2^5$-graded algebra

How well can the QCD axion hide?

Receipt and verification

First computed	2026-05-18T04:12:18.897962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8edd2729b7d6836b4919aba0a8a2f8cb1094a557331ee09bee81d1fe1163b03

Aliases

arxiv: 0904.1556 · arxiv_version: 0904.1556v2 · doi: 10.48550/arxiv.0904.1556 · pith_short_12: 7DW5E4U3PVUD · pith_short_16: 7DW5E4U3PVUDNNER · pith_short_8: 7DW5E4U3

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/7DW5E4U3PVUDNNERTK5AVCRPRS \
  | 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: f8edd2729b7d6836b4919aba0a8a2f8cb1094a557331ee09bee81d1fe1163b03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff0ffbe6fb2bf7a89731b62e30f44b867af441f608dfc0994db6d738d7a33daf",
    "cross_cats_sorted": [
      "hep-ph",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-04-09T16:16:19Z",
    "title_canon_sha256": "f574f6fe5b5e43f6447dc4e55b597cb86c83c9217c528fbc09b82630feba040d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1556",
    "kind": "arxiv",
    "version": 2
  }
}