Pith Number

pith:5L2A3FEC

pith:2011:5L2A3FECYXIPKJGUUVXVEKOHIR

not attested not anchored not stored refs pending

Gauss-Bonnet braneworld redux: A novel scenario for the bouncing universe

Hideki Maeda

arxiv:1112.5178 v3 · 2011-12-21 · 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{5L2A3FECYXIPKJGUUVXVEKOHIR}

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	2026-05-18T03:33:48.136829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaf40d9482c5d0f524d4a56f5229c7444b8318f745e51abf8ea21ac528943549

Aliases

arxiv: 1112.5178 · arxiv_version: 1112.5178v3 · doi: 10.48550/arxiv.1112.5178 · pith_short_12: 5L2A3FECYXIP · pith_short_16: 5L2A3FECYXIPKJGU · pith_short_8: 5L2A3FEC

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/5L2A3FECYXIPKJGUUVXVEKOHIR \
  | 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: eaf40d9482c5d0f524d4a56f5229c7444b8318f745e51abf8ea21ac528943549

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bad7cabe49ea1162d964eda8f9e4b4030945afde12db5b7e32c64296df617539",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-12-21T21:27:18Z",
    "title_canon_sha256": "eb716536e8147304a9bd589938281e11e778eedc1ad8513b964018a6e74f77b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5178",
    "kind": "arxiv",
    "version": 3
  }
}