Pith Number

pith:C7FUZVOE

pith:2011:C7FUZVOEHDF2E6HPKIRHHVAKP6

not attested not anchored not stored refs pending

Type III and N solutions to quadratic gravity

Tom\'a\v{s} M\'alek, Vojt\v{e}ch Pravda

arxiv:1106.0331 v1 · 2011-06-01 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C7FUZVOEHDF2E6HPKIRHHVAKP6}

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	2026-05-18T04:15:38.535606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17cb4cd5c438cba278ef522273d40a7fafd9f4274002ab2d43ca6ab29a3cf8d6

Aliases

arxiv: 1106.0331 · arxiv_version: 1106.0331v1 · doi: 10.48550/arxiv.1106.0331 · pith_short_12: C7FUZVOEHDF2 · pith_short_16: C7FUZVOEHDF2E6HP · pith_short_8: C7FUZVOE

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/C7FUZVOEHDF2E6HPKIRHHVAKP6 \
  | 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: 17cb4cd5c438cba278ef522273d40a7fafd9f4274002ab2d43ca6ab29a3cf8d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b12edafbdef7df404eea3483949c0eb5a7197f4305947d52319e3458f0d43a44",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-06-01T22:09:04Z",
    "title_canon_sha256": "d6692a9b405e79a9eabfa0d1c7939a13c728a222c090b4742e727a892c7564f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0331",
    "kind": "arxiv",
    "version": 1
  }
}