Pith Number

pith:VY4VU2KS

pith:2018:VY4VU2KS4U4VEBVGKHSMCA6KNI

not attested not anchored not stored refs pending

A spinor Bose-Einstein condensate phase-sensitive amplifier for SU(1,1) interferometry

A. Schwettmann, D. P. Fahey, E. Tiesinga, H. K. Pechkis, J. P. Wrubel, P. D. Lett, P. F. Griffin, R. Barnett, Z. Glassman

arxiv:1807.06676 v1 · 2018-07-17 · cond-mat.quant-gas · 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{VY4VU2KS4U4VEBVGKHSMCA6KNI}

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	2026-05-18T00:07:33.755274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae395a6952e5395206a651e4c103ca6a0baa92be9ad960c264af5bb4c327fa9a

Aliases

arxiv: 1807.06676 · arxiv_version: 1807.06676v1 · doi: 10.48550/arxiv.1807.06676 · pith_short_12: VY4VU2KS4U4V · pith_short_16: VY4VU2KS4U4VEBVG · pith_short_8: VY4VU2KS

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/VY4VU2KS4U4VEBVGKHSMCA6KNI \
  | 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: ae395a6952e5395206a651e4c103ca6a0baa92be9ad960c264af5bb4c327fa9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00395c78df9b09f39fd98e1686ea298d50ed9c7f965804fd956365c6662188a9",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2018-07-17T21:18:59Z",
    "title_canon_sha256": "dbe5bbaf53647c4646c4d9769e867b25372775d1d9eb94bd05a95f2eb2bb42a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06676",
    "kind": "arxiv",
    "version": 1
  }
}