pith. sign in
Pith Number

pith:JQDWFEZN

pith:2014:JQDWFEZN2CE6XBK5CTBKACLZQG
not attested not anchored not stored refs pending

Hiding a neutron star inside a wormhole

Burkhard Kleihaus, Jutta Kunz, Vladimir Dzhunushaliev, Vladimir Folomeev

arxiv:1401.7093 v2 · 2014-01-28 · gr-qc · astro-ph.SR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JQDWFEZN2CE6XBK5CTBKACLZQG}

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 2026-05-18T02:54:20.916154Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4c0762932dd089eb855d14c2a0097981aa4f9965eec15eead071792af6396d95

Aliases

arxiv: 1401.7093 · arxiv_version: 1401.7093v2 · doi: 10.48550/arxiv.1401.7093 · pith_short_12: JQDWFEZN2CE6 · pith_short_16: JQDWFEZN2CE6XBK5 · pith_short_8: JQDWFEZN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JQDWFEZN2CE6XBK5CTBKACLZQG \
  | 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: 4c0762932dd089eb855d14c2a0097981aa4f9965eec15eead071792af6396d95
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "912581cdc4bc436357855a1fc50638adc26016f24d2af47825458548a0520e82",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-01-28T06:29:31Z",
    "title_canon_sha256": "d3bab18742f420c5b72be7d159e3a456f37ea20270c0a672e485208e597ae94c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7093",
    "kind": "arxiv",
    "version": 2
  }
}