Pith Number

pith:LFC5C3JG

pith:2013:LFC5C3JG4IPLOQFO5P3KFC6IM4

not attested not anchored not stored refs pending

High efficiency coupling of photon pairs in practice

A. Martin, B. Sanguinetti, H. Zbinden, N. Bruno, R. T. Thew, T. Guerreiro

arxiv:1309.2457 v1 · 2013-09-10 · 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{LFC5C3JG4IPLOQFO5P3KFC6IM4}

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	2026-05-18T02:43:26.298708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5945d16d26e21eb740aeebf6a28bc86709ba09c774d60ad485bd3de133ba5447

Aliases

arxiv: 1309.2457 · arxiv_version: 1309.2457v1 · doi: 10.48550/arxiv.1309.2457 · pith_short_12: LFC5C3JG4IPL · pith_short_16: LFC5C3JG4IPLOQFO · pith_short_8: LFC5C3JG

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/LFC5C3JG4IPLOQFO5P3KFC6IM4 \
  | 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: 5945d16d26e21eb740aeebf6a28bc86709ba09c774d60ad485bd3de133ba5447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc210a10c3ed9df18f641e0d70c92ec4576d3b4372c4495e12479acfd2e5162f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-09-10T11:07:42Z",
    "title_canon_sha256": "531e63362586cffd851752311f151e85c3ceaa87bf63431c12a7d279d960bf34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2457",
    "kind": "arxiv",
    "version": 1
  }
}