Pith Number

pith:VVEZUDMM

pith:2019:VVEZUDMMAX2YEUVBK5BWD7BMU3

not attested not anchored not stored refs pending

An efficient, tunable, and robust source of narrow-band photon pairs at the $^{87}$Rb D1 line

Andreas Ahlrichs, Chris M\"uller, Gianni Buser, Janik Wolters, Oliver Benson, Philipp Treutlein, Roberto Mottola, Sven Ramelow, Tim Kroh

arxiv:1908.00590 v3 · 2019-08-01 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VVEZUDMMAX2YEUVBK5BWD7BMU3}

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	2026-07-05T00:35:19.395662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad499a0d8c05f58252a1574361fc2ca6e45cd102255f4ce6da7390b9ef821a47

Aliases

arxiv: 1908.00590 · arxiv_version: 1908.00590v3 · doi: 10.48550/arxiv.1908.00590 · pith_short_12: VVEZUDMMAX2Y · pith_short_16: VVEZUDMMAX2YEUVB · pith_short_8: VVEZUDMM

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/VVEZUDMMAX2YEUVBK5BWD7BMU3 \
  | 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: ad499a0d8c05f58252a1574361fc2ca6e45cd102255f4ce6da7390b9ef821a47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e092336c25081e4fe5f6c72b396f7c8d77137ea7e777430e8b9bb73fec630f88",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-01T19:28:12Z",
    "title_canon_sha256": "ee7e0be8af6e65238791c777243055cce0a73f6d6fbc9a503bf8f041611927a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00590",
    "kind": "arxiv",
    "version": 3
  }
}