Pith Number

pith:COFCKMGN

pith:2017:COFCKMGNOACOMUHQEN5M3PVJ2D

not attested not anchored not stored refs pending

Measurements of entanglement over a kilometric distance to test superluminal models of Quantum Mechanics: preliminary results

Bruno Cocciaro, Leone Fronzoni, Sandro Faetti

arxiv:1702.04697 v1 · 2017-02-15 · 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{COFCKMGNOACOMUHQEN5M3PVJ2D}

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	2026-05-18T00:35:34.764519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

138a2530cd7004e650f0237acdbea9d0effa188357c0bd7f436ff7a90118f61f

Aliases

arxiv: 1702.04697 · arxiv_version: 1702.04697v1 · doi: 10.48550/arxiv.1702.04697 · pith_short_12: COFCKMGNOACO · pith_short_16: COFCKMGNOACOMUHQ · pith_short_8: COFCKMGN

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/COFCKMGNOACOMUHQEN5M3PVJ2D \
  | 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: 138a2530cd7004e650f0237acdbea9d0effa188357c0bd7f436ff7a90118f61f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a4a554c14aa96d844f9ca2e45d8758712af6c9ef2d45f3884589c34aeaae610",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-02-15T18:04:39Z",
    "title_canon_sha256": "69794806fa930de3def69e647bae91b49bf1357b94f5bc715594dcffca648367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04697",
    "kind": "arxiv",
    "version": 1
  }
}