Pith Number

pith:EQDCDH5K

pith:2013:EQDCDH5KRGAJ764WDFV25C6JEZ

not attested not anchored not stored refs pending

Entangled state generation with an intrinsically pure single-photon source and a weak coherent source

Fumihiro Kaneda, Hideo Kosaka, Keiichi Edamatsu, Rui-Bo Jin, Ryosuke Shimizu, Yasuyoshi Mitsumori

arxiv:1303.2780 v2 · 2013-03-12 · 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{EQDCDH5KRGAJ764WDFV25C6JEZ}

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	2026-05-18T03:17:44.457956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2406219faa89809ffb96196bae8bc92647a5a7015da44ec0001a43aab16d14a2

Aliases

arxiv: 1303.2780 · arxiv_version: 1303.2780v2 · doi: 10.48550/arxiv.1303.2780 · pith_short_12: EQDCDH5KRGAJ · pith_short_16: EQDCDH5KRGAJ764W · pith_short_8: EQDCDH5K

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/EQDCDH5KRGAJ764WDFV25C6JEZ \
  | 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: 2406219faa89809ffb96196bae8bc92647a5a7015da44ec0001a43aab16d14a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6037dff490bf51fd915f997942784b6983c8e56930c6481fb84e8a3884ed1ba8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-03-12T05:04:27Z",
    "title_canon_sha256": "f6505e74b50049b2946583525566b9f20217e789bd8069054ab538fa76c10821"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2780",
    "kind": "arxiv",
    "version": 2
  }
}