Pith Number

pith:4T4G74SG

pith:2026:4T4G74SG7H3HHO6PZZ2GMEIVYV

not attested not anchored not stored refs pending

Interconnection of Quantum Networks at Urban scale: Analysis of Temporal Stability of Entangled Photon Sources

Angela Sara Cacciapuoti, Laura d'Avossa, Marcello Caleffi

arxiv:2607.27906 v1 · 2026-07-30 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4T4G74SG7H3HHO6PZZ2GMEIVYV}

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	2026-07-31T01:34:46.240733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

e4f86ff246f9f673bbcfce74661115c57178ab0c52181849949e3894c2971889

Aliases

arxiv: 2607.27906 · arxiv_version: 2607.27906v1 · doi: 10.48550/arxiv.2607.27906 · pith_short_12: 4T4G74SG7H3H · pith_short_16: 4T4G74SG7H3HHO6P · pith_short_8: 4T4G74SG

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/4T4G74SG7H3HHO6PZZ2GMEIVYV \
  | 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: e4f86ff246f9f673bbcfce74661115c57178ab0c52181849949e3894c2971889

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "450c6773e6b5592d77f1776b146c6e59e83a40c3c089a8f21b10624a54b8ca1b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-30T09:20:18Z",
    "title_canon_sha256": "50575637807c436249ce557b5d6a72726703f7b3569aae987fdc33f43b05f3b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27906",
    "kind": "arxiv",
    "version": 1
  }
}