pith. sign in
Pith Number

pith:2XSPHE74

pith:2021:2XSPHE74NFAGCEDUESVRRBYH3F
not attested not anchored not stored refs pending

Wave-fronts of gravitational waves partially trapped in ultra-compact stars

Ji\v{r}\'i Hor\'ak, Kate\v{r}ina Klimovi\v{c}ov\'a, Marek Abramowicz

arxiv:2104.14031 v1 · 2021-04-28 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2XSPHE74NFAGCEDUESVRRBYH3F}

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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 2026-07-05T02:36:12.256436Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d5e4f393fc694061107424ab188707d97e91e906a77c44f97b9ffc8df9e3bce6

Aliases

arxiv: 2104.14031 · arxiv_version: 2104.14031v1 · doi: 10.48550/arxiv.2104.14031 · pith_short_12: 2XSPHE74NFAG · pith_short_16: 2XSPHE74NFAGCEDU · pith_short_8: 2XSPHE74
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2XSPHE74NFAGCEDUESVRRBYH3F \
  | 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: d5e4f393fc694061107424ab188707d97e91e906a77c44f97b9ffc8df9e3bce6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d889bcaac40c09f1ca57073d2c30dc38962086529fd91d62b1125e7f61dcd3bb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-04-28T21:42:08Z",
    "title_canon_sha256": "60b4a139055177bd381796b40d1b6d782b080727859a019b08a8a8cf177ec424"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.14031",
    "kind": "arxiv",
    "version": 1
  }
}