Pith Number

pith:Q72UO7MF

pith:2013:Q72UO7MFQ7ZI3V5HKQFYFYPQPL

not attested not anchored not stored refs pending

Kaluza--Klein-type models of de Sitter and Poincar\'e gauge theories of gravity

Chao-Guang Huang, Jia-An Lu

arxiv:1306.3028 v1 · 2013-06-13 · 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{Q72UO7MFQ7ZI3V5HKQFYFYPQPL}

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	2026-05-18T03:20:59.801649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f5477d8587f28dd7a7540b82e1f07ac7e233e5d50dace2cac739a5ae4328be

Aliases

arxiv: 1306.3028 · arxiv_version: 1306.3028v1 · doi: 10.48550/arxiv.1306.3028 · pith_short_12: Q72UO7MFQ7ZI · pith_short_16: Q72UO7MFQ7ZI3V5H · pith_short_8: Q72UO7MF

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/Q72UO7MFQ7ZI3V5HKQFYFYPQPL \
  | 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: 87f5477d8587f28dd7a7540b82e1f07ac7e233e5d50dace2cac739a5ae4328be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3430404b6938d93bf56e21bd557be7158f4c1394aedd279aa705602cb56e0dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-06-13T05:44:12Z",
    "title_canon_sha256": "daecfd4155894b14238b817115430340b5778f7dd52ef045f30bcb42485ce7db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3028",
    "kind": "arxiv",
    "version": 1
  }
}