Pith Number

pith:A7C2ZPWP

pith:2002:A7C2ZPWP7BWNFLTXTMBUEUGJXF

not attested not anchored not stored refs pending

Nonsingular multidimensional cosmologies without fine tuning

J.C. Fabris, K.A. Bronnikov

arxiv:hep-th/0207213 v1 · 2002-07-23 · hep-th · 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{A7C2ZPWP7BWNFLTXTMBUEUGJXF}

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	2026-05-18T02:35:53.918281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07c5acbecff86cd2ae779b034250c9b96ca99f9a25fc7c34b970722bff5e15a9

Aliases

arxiv: hep-th/0207213 · arxiv_version: hep-th/0207213v1 · doi: 10.48550/arxiv.hep-th/0207213 · pith_short_12: A7C2ZPWP7BWN · pith_short_16: A7C2ZPWP7BWNFLTX · pith_short_8: A7C2ZPWP

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/A7C2ZPWP7BWNFLTXTMBUEUGJXF \
  | 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: 07c5acbecff86cd2ae779b034250c9b96ca99f9a25fc7c34b970722bff5e15a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51492c5988f74f5d92cce5cb78bdc54fc6d2f4a05f6d3f97b2328e0cf5315f83",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2002-07-23T20:53:36Z",
    "title_canon_sha256": "81ab565868cb48e90237daad86677afce6787a08e97ff887b3319705193d6bee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0207213",
    "kind": "arxiv",
    "version": 1
  }
}