pith. sign in
Pith Number

pith:U7Q5IZVT

pith:2013:U7Q5IZVTWH27EOGEGHVKFD34GS
not attested not anchored not stored refs pending

The Evolution of Proto-Strange Stars

Argentina), Brazil), J. E. Horvath (IAG-USP, La Plata, Omar G. Benvenuto (FCAGLP, S\~ao Paulo

arxiv:1309.1532 v1 · 2013-09-06 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{U7Q5IZVTWH27EOGEGHVKFD34GS}

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 2026-05-18T03:13:59.203619Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a7e1d466b3b1f5f238c431eaa28f7c3491aace4b36ffe5a479b0f3fd3ca83ede

Aliases

arxiv: 1309.1532 · arxiv_version: 1309.1532v1 · doi: 10.48550/arxiv.1309.1532 · pith_short_12: U7Q5IZVTWH27 · pith_short_16: U7Q5IZVTWH27EOGE · pith_short_8: U7Q5IZVT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/U7Q5IZVTWH27EOGEGHVKFD34GS \
  | 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: a7e1d466b3b1f5f238c431eaa28f7c3491aace4b36ffe5a479b0f3fd3ca83ede
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "597aeea402c8e0b637fa3f9a9e871992720ae63ba33525820aa194d3844a70a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-09-06T03:50:44Z",
    "title_canon_sha256": "6f5b5e3471c6cc8f6d9fd429f590e7eb8fe5a152402df4f5e20a556099a8ff7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1532",
    "kind": "arxiv",
    "version": 1
  }
}