Pith Number

pith:OIL3OCZB

pith:2012:OIL3OCZB36OPEZ4PUYKSXRHPAZ

not attested not anchored not stored refs pending

Highly efficient heralding of entangled single photons

Adriana Lita, Alexandra Mech, Anton Zeilinger, Brice Calkins, Marissa Giustina, Rupert Ursin, Sae Woo Nam, Simon Groeblacher, Sven Ramelow, Thomas Gerrits, Witlef Wieczorek

arxiv:1211.5059 v2 · 2012-11-21 · 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{OIL3OCZB36OPEZ4PUYKSXRHPAZ}

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	2026-05-18T01:53:01.931929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7217b70b21df9cf2678fa6152bc4ef065043bb5922d38ce1bb3ab4676791a0ea

Aliases

arxiv: 1211.5059 · arxiv_version: 1211.5059v2 · doi: 10.48550/arxiv.1211.5059 · pith_short_12: OIL3OCZB36OP · pith_short_16: OIL3OCZB36OPEZ4P · pith_short_8: OIL3OCZB

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/OIL3OCZB36OPEZ4PUYKSXRHPAZ \
  | 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: 7217b70b21df9cf2678fa6152bc4ef065043bb5922d38ce1bb3ab4676791a0ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5c244da333ba087a000a6db80ec67f924dc34b03fee02ea1dcf842c5faa46b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-11-21T15:29:52Z",
    "title_canon_sha256": "6c638d2c7a41556355738e7d8e115a949a604ad604a0f039db0c824fe7377f15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5059",
    "kind": "arxiv",
    "version": 2
  }
}