Pith Number

pith:3WDBOWCV

pith:2009:3WDBOWCVDSUSDC63JPMCYCVBSE

not attested not anchored not stored refs pending

Parametric amplification of vacuum fluctuations in a spinor condensate

C. Klempt, G. Gebreyesus, J.J. Arlt, L. Santos, M. Scherer, O. Topic, P. Hyllus, T. Henninger, W. Ertmer

arxiv:0907.3413 v1 · 2009-07-20 · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WDBOWCVDSUSDC63JPMCYCVBSE}

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	2026-05-18T04:32:54.623272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd861758551ca9218bdb4bd82c0aa191156e21fa6c88428d44d1c49221794f93

Aliases

arxiv: 0907.3413 · arxiv_version: 0907.3413v1 · doi: 10.48550/arxiv.0907.3413 · pith_short_12: 3WDBOWCVDSUS · pith_short_16: 3WDBOWCVDSUSDC63 · pith_short_8: 3WDBOWCV

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/3WDBOWCVDSUSDC63JPMCYCVBSE \
  | 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: dd861758551ca9218bdb4bd82c0aa191156e21fa6c88428d44d1c49221794f93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d39876c203b1e4c97727028345e707ebd269de9ecfc2ab4285d44c39d7b83fba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2009-07-20T14:47:13Z",
    "title_canon_sha256": "316a534a11917b741a805efd509f1e03dba023c8fe75acc2e61ab82b95dd5d50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3413",
    "kind": "arxiv",
    "version": 1
  }
}