Pith Number

pith:OU7ZQOUO

pith:2013:OU7ZQOUOSNQDUCDTFOHG54O6ZC

not attested not anchored not stored refs pending

The Cosmology of Interacting Spin-2 Fields

Emmanuel N. Saridakis, Nicola Tamanini, Tomi S. Koivisto

arxiv:1307.5984 v2 · 2013-07-23 · hep-th · astro-ph.CO · 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{OU7ZQOUOSNQDUCDTFOHG54O6ZC}

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	2026-05-18T02:58:32.505543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

753f983a8e93603a08732b8e6ef1dec887ffdcf2525962e4ea61a546bbf76437

Aliases

arxiv: 1307.5984 · arxiv_version: 1307.5984v2 · doi: 10.48550/arxiv.1307.5984 · pith_short_12: OU7ZQOUOSNQD · pith_short_16: OU7ZQOUOSNQDUCDT · pith_short_8: OU7ZQOUO

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/OU7ZQOUOSNQDUCDTFOHG54O6ZC \
  | 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: 753f983a8e93603a08732b8e6ef1dec887ffdcf2525962e4ea61a546bbf76437

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93b9cc55b5bb52f01ae5ff662f6aa3c3937bcffec1e969ed98d35c4e1ac053c6",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-07-23T09:11:36Z",
    "title_canon_sha256": "e91d820b7efdb619987f69ad87fb18df822b5ec65176bf7bad03e2b70a701832"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5984",
    "kind": "arxiv",
    "version": 2
  }
}