Pith Number

pith:IZUQR2HD

pith:2012:IZUQR2HDVQIMNUWQLQBZN2YKMM

not attested not anchored not stored refs pending

MHz rate and efficient synchronous heralding of single photons at telecom wavelengths

Bruno Sanguinetti, Enrico Pomarico, Hugo Zbinden, Rob Thew, Thiago Guerreiro

arxiv:1207.0441 v1 · 2012-07-02 · 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{IZUQR2HDVQIMNUWQLQBZN2YKMM}

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	2026-05-18T01:56:35.664987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

466908e8e3ac10c6d2d05c0396eb0a6332ccce37f3c0c1eda64d24dc9915f147

Aliases

arxiv: 1207.0441 · arxiv_version: 1207.0441v1 · doi: 10.48550/arxiv.1207.0441 · pith_short_12: IZUQR2HDVQIM · pith_short_16: IZUQR2HDVQIMNUWQ · pith_short_8: IZUQR2HD

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/IZUQR2HDVQIMNUWQLQBZN2YKMM \
  | 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: 466908e8e3ac10c6d2d05c0396eb0a6332ccce37f3c0c1eda64d24dc9915f147

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "066b9620ac28f8e93b9aa6c2e7f53194e321c2d598ef5df6a5fc810b88ebb004",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-02T16:34:44Z",
    "title_canon_sha256": "34d02a219e6988fa3c1504a21b1f31aade98dc411507b4d3cc77e08d35d6e8f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0441",
    "kind": "arxiv",
    "version": 1
  }
}