Pith Number

pith:56M7IHNV

pith:2010:56M7IHNVUGNHVWVLSOGOZITQRX

not attested not anchored not stored refs pending

Radiofrequency spectroscopy of a strongly interacting two-dimensional Fermi gas

Bernd Fr\"ohlich, Enrico Vogt, Marco Koschorreck, Michael Feld, Michael K\"ohl, Wilhelm Zwerger

arxiv:1012.0049 v2 · 2010-11-30 · cond-mat.quant-gas · physics.atm-clus · physics.atom-ph · 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{56M7IHNVUGNHVWVLSOGOZITQRX}

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	2026-05-18T04:27:06.340629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef99f41db5a19a7adaab938ceca2708dcb91a82e27b019fe41fa8ae3f02987bf

Aliases

arxiv: 1012.0049 · arxiv_version: 1012.0049v2 · doi: 10.48550/arxiv.1012.0049 · pith_short_12: 56M7IHNVUGNH · pith_short_16: 56M7IHNVUGNHVWVL · pith_short_8: 56M7IHNV

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/56M7IHNVUGNHVWVLSOGOZITQRX \
  | 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: ef99f41db5a19a7adaab938ceca2708dcb91a82e27b019fe41fa8ae3f02987bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73ca0b9e03d6d9a064b0b09395944caf151b8a806e06110fcc36266af02287a3",
    "cross_cats_sorted": [
      "physics.atm-clus",
      "physics.atom-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2010-11-30T22:24:44Z",
    "title_canon_sha256": "023f52e79cefde1596471ce2ccb8acfce4ff39a34c29142eed03cd4b3fdb2e0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0049",
    "kind": "arxiv",
    "version": 2
  }
}