Pith Number

pith:KEVSON4E

pith:2026:KEVSON4E35OE2BSS6RRWD5OEXE

not attested not anchored not stored refs pending

Semi-classical limit of an attractive Fermi gas in one or two dimensions

Thomas Gamet (UMPA-ENSL)

arxiv:2602.21640 v2 · 2026-02-25 · math-ph · cond-mat.quant-gas · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KEVSON4E35OE2BSS6RRWD5OEXE}

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	2026-06-02T02:04:51.667421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

512b273784df5c4d0652f46361f5c4b90ef5f17cb9cc5ba29d606a7debe032c6

Aliases

arxiv: 2602.21640 · arxiv_version: 2602.21640v2 · doi: 10.48550/arxiv.2602.21640 · pith_short_12: KEVSON4E35OE · pith_short_16: KEVSON4E35OE2BSS · pith_short_8: KEVSON4E

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/KEVSON4E35OE2BSS6RRWD5OEXE \
  | 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: 512b273784df5c4d0652f46361f5c4b90ef5f17cb9cc5ba29d606a7debe032c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57f0e2cda946ee70e93be4790c250bbf33a285ddf1f734ef788a43b63059d9da",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2026-02-25T07:08:00Z",
    "title_canon_sha256": "5d2c246fea71e830d24df20fae94d02488fd6edf18d0365eb68988d0231596ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.21640",
    "kind": "arxiv",
    "version": 2
  }
}