Pith Number

pith:O2X5YZ4K

pith:2015:O2X5YZ4KTGNDWZ5EKNB5UOXZJC

not attested not anchored not stored refs pending

Linear Optical Quantum Metrology with Single Photons: Exploiting Spontaneously Generated Entanglement to Beat the Shot-Noise Limit

Evan J. Rabeaux, Jonathan P. Dowling, Jonathan P. Olson, Keith R. Motes, Peter P. Rohde, S. Jay Olson

arxiv:1501.01067 v2 · 2015-01-06 · 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{O2X5YZ4KTGNDWZ5EKNB5UOXZJC}

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	2026-05-18T02:17:11.404626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76afdc678a999a3b67a45343da3af948b34b6843bdc5b5d5b0a2adea1f7d1271

Aliases

arxiv: 1501.01067 · arxiv_version: 1501.01067v2 · doi: 10.48550/arxiv.1501.01067 · pith_short_12: O2X5YZ4KTGND · pith_short_16: O2X5YZ4KTGNDWZ5E · pith_short_8: O2X5YZ4K

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/O2X5YZ4KTGNDWZ5EKNB5UOXZJC \
  | 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: 76afdc678a999a3b67a45343da3af948b34b6843bdc5b5d5b0a2adea1f7d1271

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74a37544f26d2e22fecdb17672e651cb58d7278563835f03b4110bd23d04acc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-01-06T03:04:00Z",
    "title_canon_sha256": "fe35b272862c61ec9f53ff38fb04317a323b7de16faa93e84e39e34362226b89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.01067",
    "kind": "arxiv",
    "version": 2
  }
}