Pith Number

pith:YX3WGWSE

pith:2013:YX3WGWSEIC56P53SFTDREBQVOP

not attested not anchored not stored refs pending

Shear and rotation in Chaplygin cosmology

A. Del Popolo, F. Pace, J. A. S. Lima, J. F. Jesus, S. P. Maydanyuk

arxiv:1303.3628 v1 · 2013-03-14 · 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{YX3WGWSEIC56P53SFTDREBQVOP}

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	2026-05-18T03:30:52.885172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5f7635a4440bbe7f7722cc712061573cd460638f6f708633e9c35a2ed8b1580

Aliases

arxiv: 1303.3628 · arxiv_version: 1303.3628v1 · doi: 10.48550/arxiv.1303.3628 · pith_short_12: YX3WGWSEIC56 · pith_short_16: YX3WGWSEIC56P53S · pith_short_8: YX3WGWSE

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/YX3WGWSEIC56P53SFTDREBQVOP \
  | 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: c5f7635a4440bbe7f7722cc712061573cd460638f6f708633e9c35a2ed8b1580

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0862ab61ac79ddd9b45bdec8d98d75d94147929f1331babd5c0f3f1e55219778",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-14T22:20:35Z",
    "title_canon_sha256": "7ba99c7d76998082a7551ee612b61569548fffc9826fcff2b35cc1e668dbff90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3628",
    "kind": "arxiv",
    "version": 1
  }
}