Pith Number

pith:AXM7OA7N

pith:2013:AXM7OA7NURY3XXDDU3KLQMIMIE

not attested not anchored not stored refs pending

The dynamics of Bianchi I universes in $R^n$ cosmologies with torsion

Luca Fabbri, Sante Carloni, Stefano Vignolo

arxiv:1303.5828 v1 · 2013-03-23 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AXM7OA7NURY3XXDDU3KLQMIMIE}

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	2026-05-18T03:06:22.146105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05d9f703eda471bbdc63a6d4b8310c411c62a0cb0bcbf87f110c14730ad5f759

Aliases

arxiv: 1303.5828 · arxiv_version: 1303.5828v1 · doi: 10.48550/arxiv.1303.5828 · pith_short_12: AXM7OA7NURY3 · pith_short_16: AXM7OA7NURY3XXDD · pith_short_8: AXM7OA7N

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/AXM7OA7NURY3XXDDU3KLQMIMIE \
  | 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: 05d9f703eda471bbdc63a6d4b8310c411c62a0cb0bcbf87f110c14730ad5f759

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7814e347f01cfb8a3d96b6bbac05fbd7494eb8f8d5a335777000c581ad2480d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-03-23T10:09:17Z",
    "title_canon_sha256": "d7c42f5c69ebd6b9e87fb0cfd0d9aaaed1c7acb531125a58f2e8e29bea340530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5828",
    "kind": "arxiv",
    "version": 1
  }
}