pith. sign in
Pith Number

pith:72WJSR7V

pith:2009:72WJSR7VRMX4FD737TCUS27235
not attested not anchored not stored refs pending

Controlling Condensate Collapse and Expansion with an Optical Feshbach Resonance

B. J. DeSalvo, B. Ramachandhran, H. Pu, Mi Yan, T. C. Killian

arxiv:0906.1837 v4 · 2009-06-09 · physics.atom-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{72WJSR7VRMX4FD737TCUS27235}

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 2026-05-18T03:30:15.198583Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

feac9947f58b2fc28ffbfcc5496bfadf466e75f1ec158abb8bc359be52fb49f4

Aliases

arxiv: 0906.1837 · arxiv_version: 0906.1837v4 · doi: 10.48550/arxiv.0906.1837 · pith_short_12: 72WJSR7VRMX4 · pith_short_16: 72WJSR7VRMX4FD73 · pith_short_8: 72WJSR7V
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/72WJSR7VRMX4FD737TCUS27235 \
  | 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: feac9947f58b2fc28ffbfcc5496bfadf466e75f1ec158abb8bc359be52fb49f4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "73bcc98d66b002f039783cefeb5eb5e711602ef72db1c8f1fb0c3e769bc588ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2009-06-09T23:05:53Z",
    "title_canon_sha256": "4db93c2987c74eb7a37976169ae5504d65a617778119f2a276808033a498be34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1837",
    "kind": "arxiv",
    "version": 4
  }
}