pith. sign in
Pith Number

pith:2SWLES4G

pith:2015:2SWLES4GHZ6CD65XIB2QGO2S7E
not attested not anchored not stored refs pending

Semiclassical fermion pair creation in de Sitter spacetime

Cl\'ement Stahl, Eckhard Strobel

arxiv:1507.01401 v1 · 2015-07-06 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{2SWLES4GHZ6CD65XIB2QGO2S7E}

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 2026-05-18T01:22:39.363977Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d4acb24b863e7c21fbb74075033b52f937b8edfc0846e1907ccade777ba87194

Aliases

arxiv: 1507.01401 · arxiv_version: 1507.01401v1 · doi: 10.48550/arxiv.1507.01401 · pith_short_12: 2SWLES4GHZ6C · pith_short_16: 2SWLES4GHZ6CD65X · pith_short_8: 2SWLES4G
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/2SWLES4GHZ6CD65XIB2QGO2S7E \
  | 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: d4acb24b863e7c21fbb74075033b52f937b8edfc0846e1907ccade777ba87194
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8874249a56869c6ba6e05c70c64bbbad1f86ea138c8cd4bedc6ef369f8446b1b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-07-06T11:46:19Z",
    "title_canon_sha256": "f1adbeaad945c3d2047a00d646b2660eecc1ae50cc070ab761df67516c8adfe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01401",
    "kind": "arxiv",
    "version": 1
  }
}