Pith Number

pith:DMKL4Z44

pith:2011:DMKL4Z44KN5UNIXVJBDBTT73YL

not attested not anchored not stored refs pending

Bouncing models with a cosmological constant

Beatriz B. Siffert, Nelson Pinto-Neto, Rodrigo Maier, Stella Pereira

arxiv:1111.0946 v2 · 2011-11-03 · astro-ph.CO · 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{DMKL4Z44KN5UNIXVJBDBTT73YL}

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	2026-05-18T04:03:42.748663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b14be679c537b46a2f5484619cffbc2d2f3b85c79d1167df0cf221a7ee41b5a

Aliases

arxiv: 1111.0946 · arxiv_version: 1111.0946v2 · doi: 10.48550/arxiv.1111.0946 · pith_short_12: DMKL4Z44KN5U · pith_short_16: DMKL4Z44KN5UNIXV · pith_short_8: DMKL4Z44

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/DMKL4Z44KN5UNIXVJBDBTT73YL \
  | 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: 1b14be679c537b46a2f5484619cffbc2d2f3b85c79d1167df0cf221a7ee41b5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "730747105656b7367d6a3b22e238dc64413d80e13defc329012a13f2d67c60ba",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-03T19:00:26Z",
    "title_canon_sha256": "35db6a1ac21e6ba84799da9a62165fc83a6458a3a1dd1a211b7a2da400b08956"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0946",
    "kind": "arxiv",
    "version": 2
  }
}