Pith Number

pith:XQRTOCY5

pith:2018:XQRTOCY5GZR4M43JDRWMID2B3A

not attested not anchored not stored refs pending

Entanglement entropy of Bell-network states in LQG: Analytical and numerical results

Eugenio Bianchi, Ilya Vilensky, Pietro Dona

arxiv:1812.10996 v2 · 2018-12-28 · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQRTOCY5GZR4M43JDRWMID2B3A}

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	2026-05-17T23:47:58.665932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc23370b1d3663c673691c6cc40f41d808605ba4f9cae2d27addb42dc9275c96

Aliases

arxiv: 1812.10996 · arxiv_version: 1812.10996v2 · doi: 10.48550/arxiv.1812.10996 · pith_short_12: XQRTOCY5GZR4 · pith_short_16: XQRTOCY5GZR4M43J · pith_short_8: XQRTOCY5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XQRTOCY5GZR4M43JDRWMID2B3A \
  | 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: bc23370b1d3663c673691c6cc40f41d808605ba4f9cae2d27addb42dc9275c96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0b49e914704a1f4ddc3facd4cd4a6a56946f73d1cad368c2a3eb5d55c520a00",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-12-28T14:04:41Z",
    "title_canon_sha256": "cd4621791de8bea08c729aa3c65a86d463409742148be4c9485d1fcfe5550b88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10996",
    "kind": "arxiv",
    "version": 2
  }
}