Pith Number

pith:ADMDZGTP

pith:2012:ADMDZGTPGN35GNGANK2JTLJT7Y

not attested not anchored not stored refs pending

Third quantization of $f(R)$-type gravity

Yasuo Ezawa, Yoshiaki Ohkuwa

arxiv:1203.1361 v3 · 2012-03-07 · 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{ADMDZGTPGN35GNGANK2JTLJT7Y}

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	2026-05-18T01:58:13.952636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00d83c9a6f3377d334c06ab499ad33fe3285751071a0778560eb834692da4683

Aliases

arxiv: 1203.1361 · arxiv_version: 1203.1361v3 · doi: 10.48550/arxiv.1203.1361 · pith_short_12: ADMDZGTPGN35 · pith_short_16: ADMDZGTPGN35GNGA · pith_short_8: ADMDZGTP

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/ADMDZGTPGN35GNGANK2JTLJT7Y \
  | 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: 00d83c9a6f3377d334c06ab499ad33fe3285751071a0778560eb834692da4683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "101b8bffae33a8a035b545a7cfa82b78a538ec585ab7b8195f98f49037808027",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-03-07T00:57:50Z",
    "title_canon_sha256": "86fbcb6b65be9b3aaeba659046c41e47582535cd6d04b83ea88bf435c559cb2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1361",
    "kind": "arxiv",
    "version": 3
  }
}