Pith Number

pith:WRNSCIAN

pith:2009:WRNSCIANRXCLI2JDDJWFCNDFE7

not attested not anchored not stored refs pending

Towards an eficient atomic frequency comb quantum memory

A. Amari, A. Walther, B. Lauritzen, H. de Riedmatten, I. Usmani, M. Afzelius, M. Huang, M. Sabooni, N. Gisin, N. Sangouard, S. Kr\"oll

arxiv:0911.2145 v1 · 2009-11-11 · 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{WRNSCIANRXCLI2JDDJWFCNDFE7}

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	2026-05-18T02:10:48.751778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b45b21200d8dc4b469231a6c51346527d64664665138f2690b1a78e3eef0c5c5

Aliases

arxiv: 0911.2145 · arxiv_version: 0911.2145v1 · doi: 10.48550/arxiv.0911.2145 · pith_short_12: WRNSCIANRXCL · pith_short_16: WRNSCIANRXCLI2JD · pith_short_8: WRNSCIAN

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/WRNSCIANRXCLI2JDDJWFCNDFE7 \
  | 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: b45b21200d8dc4b469231a6c51346527d64664665138f2690b1a78e3eef0c5c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcb6a7bba10c91a14f33e3d1d8ab2ab98c360dddfdef17c468dde20f484280c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-11-11T15:42:34Z",
    "title_canon_sha256": "14b2ddcf59d36ae48d45286297b8be5648b8449e7b04daf7d1fd92ac33f1b10a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2145",
    "kind": "arxiv",
    "version": 1
  }
}