Pith Number

pith:CV6CSUXS

pith:2017:CV6CSUXSW6NZFPFY2OSW7K7I4Z

not attested not anchored not stored refs pending

Cylindrically symmetric inhomogeneous dust collapse with a zero expansion component

Filipe C. Mena, Irene Brito, M. F. A. da Silva, N. O. Santos

arxiv:1709.10458 v1 · 2017-09-29 · 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{CV6CSUXSW6NZFPFY2OSW7K7I4Z}

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	2026-05-18T00:33:12.735646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

157c2952f2b79b92bcb8d3a56fabe8e67bb790cd123bc192597eb0a04925608f

Aliases

arxiv: 1709.10458 · arxiv_version: 1709.10458v1 · doi: 10.48550/arxiv.1709.10458 · pith_short_12: CV6CSUXSW6NZ · pith_short_16: CV6CSUXSW6NZFPFY · pith_short_8: CV6CSUXS

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/CV6CSUXSW6NZFPFY2OSW7K7I4Z \
  | 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: 157c2952f2b79b92bcb8d3a56fabe8e67bb790cd123bc192597eb0a04925608f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf6388e320b1879776c6356acbc634e3f5f65803bb89f392093321f55ba6590f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-09-29T15:36:15Z",
    "title_canon_sha256": "e37941518453c200c7f3758daa9a1ddb776d962ee8339491f55c70fb12a1b398"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.10458",
    "kind": "arxiv",
    "version": 1
  }
}