Pith Number

pith:TJX56QSY

pith:2013:TJX56QSYB2MTWHMY2DWWRW6II7

not attested not anchored not stored refs pending

Energy Density Bounds in Cubic Quasi-Topological Cosmology

A.A. Lima, G.M. Sotkov, U. Camara dS

arxiv:1304.4185 v1 · 2013-04-15 · gr-qc · astro-ph.CO · 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{TJX56QSYB2MTWHMY2DWWRW6II7}

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	2026-05-18T03:27:55.240455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a6fdf42580e993b1d98d0ed68dbc847eb59508eb545c32cb92364c26c7199ff

Aliases

arxiv: 1304.4185 · arxiv_version: 1304.4185v1 · doi: 10.48550/arxiv.1304.4185 · pith_short_12: TJX56QSYB2MT · pith_short_16: TJX56QSYB2MTWHMY · pith_short_8: TJX56QSY

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/TJX56QSYB2MTWHMY2DWWRW6II7 \
  | 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: 9a6fdf42580e993b1d98d0ed68dbc847eb59508eb545c32cb92364c26c7199ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd7a3fc9d46e17cfe5b4bf68de1b0c03054fa5228d83931ab1ac3eaf8d3e65a3",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-15T17:51:33Z",
    "title_canon_sha256": "291863f6dcb825c9733819a68420a8a637c4fcbe68c2713363bd5a91c5243d5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4185",
    "kind": "arxiv",
    "version": 1
  }
}