pith. sign in
Pith Number

pith:JP6R3STD

pith:2014:JP6R3STDXNOJWMZLDPI76GAX3T
not attested not anchored not stored refs pending

Entanglement entropy of $\alpha$-vacua in de Sitter space

Jeff Murugan, Jiro Soda, Jonathan P. Shock, Sugumi Kanno

arxiv:1404.6815 v2 · 2014-04-27 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JP6R3STDXNOJWMZLDPI76GAX3T}

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 2026-05-18T02:32:00.028162Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4bfd1dca63bb5c9b332b1bd1ff1817dcfa6aac0520cfe35c40a05d75615f5671

Aliases

arxiv: 1404.6815 · arxiv_version: 1404.6815v2 · doi: 10.48550/arxiv.1404.6815 · pith_short_12: JP6R3STDXNOJ · pith_short_16: JP6R3STDXNOJWMZL · pith_short_8: JP6R3STD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JP6R3STDXNOJWMZLDPI76GAX3T \
  | 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: 4bfd1dca63bb5c9b332b1bd1ff1817dcfa6aac0520cfe35c40a05d75615f5671
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4baa888d910e0a6a4d6ce4df941417dff91b87efd3c2c80cfa21a91e897c8765",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-04-27T19:49:13Z",
    "title_canon_sha256": "d6ab1d4a4446916486d3f5d454a7ca280b365cc3a8da17b8e8b4098f3a6c3631"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6815",
    "kind": "arxiv",
    "version": 2
  }
}