Pith Number

pith:Q4M6CGXO

pith:2018:Q4M6CGXOW6OHWN7VGGGS3ZYGFZ

not attested not anchored not stored refs pending

Magnetic-field gradiometer based on ultracold collisions

Antonio Negretti, Krzysztof Jachymski, Tomasz Wasak, Tommaso Calarco

arxiv:1803.03024 v2 · 2018-03-08 · quant-ph · cond-mat.quant-gas · 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{Q4M6CGXOW6OHWN7VGGGS3ZYGFZ}

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	2026-05-18T00:13:50.664142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8719e11aeeb79c7b37f5318d2de7062e5e6bb9974782810ea1bfc9715bc10131

Aliases

arxiv: 1803.03024 · arxiv_version: 1803.03024v2 · doi: 10.48550/arxiv.1803.03024 · pith_short_12: Q4M6CGXOW6OH · pith_short_16: Q4M6CGXOW6OHWN7V · pith_short_8: Q4M6CGXO

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/Q4M6CGXOW6OHWN7VGGGS3ZYGFZ \
  | 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: 8719e11aeeb79c7b37f5318d2de7062e5e6bb9974782810ea1bfc9715bc10131

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe7c50abadd5fd1a2c355d3bde3c8da768232ad640474a50aa5129e6e77c8bd5",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-03-08T10:11:02Z",
    "title_canon_sha256": "ea9bdaf6923790b12c2718dbbe24b48271fb3b6cb0326ea5b47ec4d5f4781c77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03024",
    "kind": "arxiv",
    "version": 2
  }
}