pith. sign in
Pith Number

pith:KVR2HYOM

pith:2013:KVR2HYOMYZUUDV4RHSQNT4QH77
not attested not anchored not stored refs pending

Spin-Particles Entanglement in Robertson-Walker Spacetime

Roberto Pierini, Shahpoor Moradi, Stefano Mancini

arxiv:1309.6163 v1 · 2013-09-23 · gr-qc · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KVR2HYOMYZUUDV4RHSQNT4QH77}

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 2026-05-18T03:01:46.114367Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5563a3e1ccc66941d7913ca0d9f207ffd83843e607e66ffbf473f8eb491a71df

Aliases

arxiv: 1309.6163 · arxiv_version: 1309.6163v1 · doi: 10.48550/arxiv.1309.6163 · pith_short_12: KVR2HYOMYZUU · pith_short_16: KVR2HYOMYZUUDV4R · pith_short_8: KVR2HYOM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KVR2HYOMYZUUDV4RHSQNT4QH77 \
  | 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: 5563a3e1ccc66941d7913ca0d9f207ffd83843e607e66ffbf473f8eb491a71df
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3faf13d5e6a69ce273f781a143d2d80dcfa7f5b5ce39ca8cf7854d148cb3eb9b",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-09-23T18:53:22Z",
    "title_canon_sha256": "70eec4ada41acdedf8348ab2e3cb12e0c4ae95b2a3d3237dafe3b5d9f9b4fbf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.6163",
    "kind": "arxiv",
    "version": 1
  }
}