Pith Number

pith:ZL5XAMVQ

pith:2011:ZL5XAMVQTJPGC3QWAQZGT6QBS6

not attested not anchored not stored refs pending

Nonsingular, big-bounce cosmology from spinor-torsion coupling

Nikodem Poplawski

arxiv:1111.4595 v2 · 2011-11-20 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZL5XAMVQTJPGC3QWAQZGT6QBS6}

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.

Cited by

2 papers in Pith

Different types of torsion and their effect on the dynamics of fields

Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution

Receipt and verification

First computed	2026-05-18T03:51:47.228989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cafb7032b09a5e616e16043269fa0197a31bc2546f2e50e5b2c253a131b463af

Aliases

arxiv: 1111.4595 · arxiv_version: 1111.4595v2 · doi: 10.48550/arxiv.1111.4595 · pith_short_12: ZL5XAMVQTJPG · pith_short_16: ZL5XAMVQTJPGC3QW · pith_short_8: ZL5XAMVQ

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/ZL5XAMVQTJPGC3QWAQZGT6QBS6 \
  | 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: cafb7032b09a5e616e16043269fa0197a31bc2546f2e50e5b2c253a131b463af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b0d534fbf6c79bc3e486f2086b2d4b7fafe17dc90eb63735d273bdead5d2dc0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-11-20T00:01:39Z",
    "title_canon_sha256": "e8c4b39ff38f5a22eab4c176226521ca0718e56518753b1e253ec8f2d555212f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4595",
    "kind": "arxiv",
    "version": 2
  }
}