Pith Number

pith:IKNOEVQW

pith:2011:IKNOEVQWHSNE4U4VSEBJST3HAR

not attested not anchored not stored refs pending

Coherence of a qubit stored in Zeeman levels of a single optically trapped atom

Harald Weinfurter, J\"urgen Volz, Markus Weber, Wenjamin Rosenfeld

arxiv:1107.4990 v1 · 2011-07-25 · 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{IKNOEVQWHSNE4U4VSEBJST3HAR}

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	2026-05-18T02:01:10.415903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

429ae256163c9a4e53959102994f67047571bcc734d982d066c28177c9fd4a1a

Aliases

arxiv: 1107.4990 · arxiv_version: 1107.4990v1 · doi: 10.48550/arxiv.1107.4990 · pith_short_12: IKNOEVQWHSNE · pith_short_16: IKNOEVQWHSNE4U4V · pith_short_8: IKNOEVQW

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/IKNOEVQWHSNE4U4VSEBJST3HAR \
  | 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: 429ae256163c9a4e53959102994f67047571bcc734d982d066c28177c9fd4a1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0732bd0bf2900c086d5cbdfae482ce2b1c3c1153c28e34b6f21bbbf76b18be4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-07-25T16:10:20Z",
    "title_canon_sha256": "8294e1ab3496cd0bd7d2e205944168266b402ee1752fac3f63d6ad2303a0a19e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4990",
    "kind": "arxiv",
    "version": 1
  }
}