Pith Number

pith:4WLPQR3D

pith:2009:4WLPQR3DXTSS4G5D6JTCOXVXNM

not attested not anchored not stored refs pending

A quantum trampoline for ultra-cold atoms

Alain Aspect (LCFIO), Christian J. Bord\'e (LPL, Jean-Philippe Brantut (LCFIO), Martin Robert De Saint Vincent (LCFIO), Philippe Bouyer (LCFIO), SYRTE), Thomas Bourdel (LCFIO)

arxiv:0911.0203 v1 · 2009-11-01 · 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{4WLPQR3DXTSS4G5D6JTCOXVXNM}

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	2026-05-18T03:27:52.536268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e596f84763bce52e1ba3f266275eb76b28f7fe662286201ebe4a8cfa099a4a46

Aliases

arxiv: 0911.0203 · arxiv_version: 0911.0203v1 · doi: 10.48550/arxiv.0911.0203 · pith_short_12: 4WLPQR3DXTSS · pith_short_16: 4WLPQR3DXTSS4G5D · pith_short_8: 4WLPQR3D

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/4WLPQR3DXTSS4G5D6JTCOXVXNM \
  | 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: e596f84763bce52e1ba3f266275eb76b28f7fe662286201ebe4a8cfa099a4a46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb13142c2489887df292ccf62c1a46fbc98f9377a51d7809b492f1b0f6bf4725",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-11-01T20:55:23Z",
    "title_canon_sha256": "fbb463433db7969bc1fa49fa42a5b154406ca6c1326085a2e65bad045d4e91d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0203",
    "kind": "arxiv",
    "version": 1
  }
}