Pith Number

pith:SWIX52YW

pith:2012:SWIX52YWC2ZT6DQBH74UBQWIOH

not attested not anchored not stored refs pending

Emergent Universe With Exotic Matter In Loop Quantum Cosmology, DGP Brane World and Kaluza-Klein Cosmology

Prabir Rudra

arxiv:1211.2047 v1 · 2012-11-09 · 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{SWIX52YWC2ZT6DQBH74UBQWIOH}

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	2026-05-18T03:41:11.873595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95917eeb1616b33f0e013ff940c2c871d7077c03ed46804673c0ceda25826757

Aliases

arxiv: 1211.2047 · arxiv_version: 1211.2047v1 · doi: 10.48550/arxiv.1211.2047 · pith_short_12: SWIX52YWC2ZT · pith_short_16: SWIX52YWC2ZT6DQB · pith_short_8: SWIX52YW

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/SWIX52YWC2ZT6DQBH74UBQWIOH \
  | 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: 95917eeb1616b33f0e013ff940c2c871d7077c03ed46804673c0ceda25826757

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d17e53f582a14127e8faf9e13b79064de652e042a26757fb82c15948648c7c84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-11-09T05:39:43Z",
    "title_canon_sha256": "b8a7d7a0e6e694220add0245c0686ae2e3989f22ece45277c435d34682cf08cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2047",
    "kind": "arxiv",
    "version": 1
  }
}