Pith Number

pith:WF4PLTCQ

pith:2011:WF4PLTCQ6TQCFHSN4WRPSSVT6S

not attested not anchored not stored refs pending

Observation of a pairing pseudogap in a two-dimensional Fermi gas

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

arxiv:1110.2418 v3 · 2011-10-11 · cond-mat.quant-gas · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WF4PLTCQ6TQCFHSN4WRPSSVT6S}

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	2026-05-18T04:07:17.394536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b178f5cc50f4e0229e4de5a2f94ab3f4944e9ca455ca168851567fc9287ee848

Aliases

arxiv: 1110.2418 · arxiv_version: 1110.2418v3 · doi: 10.48550/arxiv.1110.2418 · pith_short_12: WF4PLTCQ6TQC · pith_short_16: WF4PLTCQ6TQCFHSN · pith_short_8: WF4PLTCQ

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/WF4PLTCQ6TQCFHSN4WRPSSVT6S \
  | 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: b178f5cc50f4e0229e4de5a2f94ab3f4944e9ca455ca168851567fc9287ee848

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "721f5c176afe21235bad019760c80e949a0b648970cd922b50a0ee8af1e81cb5",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2011-10-11T16:30:54Z",
    "title_canon_sha256": "cf3710067ba74f317248edf581a2c14f33c2c2e7da1368987f2d25bc919bff83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.2418",
    "kind": "arxiv",
    "version": 3
  }
}