Pith Number

pith:BAV6KUPJ

pith:2013:BAV6KUPJTMGZZAR5XMWKV65TPV

not attested not anchored not stored refs pending

Triality in so(4,4), characteristic classes, D4 and G2 singularities

Andrzej Weber, Malgorzata Mikosz

arxiv:1311.0507 v2 · 2013-11-03 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BAV6KUPJTMGZZAR5XMWKV65TPV}

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	2026-05-18T03:05:17.855057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

082be551e99b0d9c823dbb2caafbb37d7aa01fb53836465c7b6842f7b494865c

Aliases

arxiv: 1311.0507 · arxiv_version: 1311.0507v2 · doi: 10.48550/arxiv.1311.0507 · pith_short_12: BAV6KUPJTMGZ · pith_short_16: BAV6KUPJTMGZZAR5 · pith_short_8: BAV6KUPJ

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/BAV6KUPJTMGZZAR5XMWKV65TPV \
  | 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: 082be551e99b0d9c823dbb2caafbb37d7aa01fb53836465c7b6842f7b494865c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52c93771cf61262ffea7d0e1d5ddb8b773baaa7ab97a1f8b7b1f9f10bdde715a",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-11-03T18:51:54Z",
    "title_canon_sha256": "0f61eb0fb44c3f99c65b5ea53c8b555aa4538438e50b8b68d46a3c96878385aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0507",
    "kind": "arxiv",
    "version": 2
  }
}