Pith Number

pith:OW2JUQCC

pith:2013:OW2JUQCCUXONSVT52JN6WGZF7U

not attested not anchored not stored refs pending

Back-Reaction in Relativistic Cosmology

Timothy Clifton

arxiv:1302.6717 v1 · 2013-02-27 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OW2JUQCCUXONSVT52JN6WGZF7U}

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	2026-05-18T01:51:26.788371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75b49a4042a5dcd9567dd25beb1b25fd0de342aa227309f9019b79a9c53fc2f8

Aliases

arxiv: 1302.6717 · arxiv_version: 1302.6717v1 · doi: 10.48550/arxiv.1302.6717 · pith_short_12: OW2JUQCCUXON · pith_short_16: OW2JUQCCUXONSVT5 · pith_short_8: OW2JUQCC

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/OW2JUQCCUXONSVT52JN6WGZF7U \
  | 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: 75b49a4042a5dcd9567dd25beb1b25fd0de342aa227309f9019b79a9c53fc2f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c82fb2adce3b04f382e5a561d7f4681fe5ae793575ed4606bd03e5ca675a8c92",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-27T10:45:46Z",
    "title_canon_sha256": "afa7af38e61d390d6bf9174d53318e6617754765593419daa9fae9aeab0d63a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.6717",
    "kind": "arxiv",
    "version": 1
  }
}