Pith Number

pith:FKF4XNMI

pith:2020:FKF4XNMIFWJFXFENTF5JTFK6GY

not attested not anchored not stored refs pending

On-demand indistinguishable single photons from an efficient and pure source based on a Rydberg ensemble

Alexander N. Craddock, Alexey V. Gorshkov, Andrew J. Hachtel, Dalia P. Ornelas-Huerta, Elizabeth A. Goldschmidt, James V. Porto, P. Bienias, Steve L. Rolston, Yidan Wang

arxiv:2003.02202 v1 · 2020-03-04 · quant-ph · physics.atom-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{FKF4XNMIFWJFXFENTF5JTFK6GY}

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	2026-07-05T01:47:54.629105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a8bcbb5882d925b948d997a99955e3638b6bda000f6276f381149bc917fc70e

Aliases

arxiv: 2003.02202 · arxiv_version: 2003.02202v1 · doi: 10.48550/arxiv.2003.02202 · pith_short_12: FKF4XNMIFWJF · pith_short_16: FKF4XNMIFWJFXFEN · pith_short_8: FKF4XNMI

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/FKF4XNMIFWJFXFENTF5JTFK6GY \
  | 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: 2a8bcbb5882d925b948d997a99955e3638b6bda000f6276f381149bc917fc70e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9955709d1843aa5eca66c034714d8b941a4eb783725673709975b52189d40f4",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-03-04T17:16:56Z",
    "title_canon_sha256": "0608b7c227cd4a076de9090f9e551de32786082013db0a6c99873b4dc32759af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.02202",
    "kind": "arxiv",
    "version": 1
  }
}