Pith Number

pith:NAH2NPIJ

pith:2014:NAH2NPIJXMCPBTU4GRM3322CDM

not attested not anchored not stored refs pending

The exponent in the orthogonality catastrophe for Fermi gases

Heinrich K\"uttler, Martin Gebert, Peter M\"uller, Peter Otte

arxiv:1407.2512 v3 · 2014-07-09 · math-ph · math.MP · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NAH2NPIJXMCPBTU4GRM3322CDM}

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	2026-05-18T00:52:55.717391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

680fa6bd09bb04f0ce9c3459bdeb421b34b08a84c099e4994267b10006182f73

Aliases

arxiv: 1407.2512 · arxiv_version: 1407.2512v3 · doi: 10.48550/arxiv.1407.2512 · pith_short_12: NAH2NPIJXMCP · pith_short_16: NAH2NPIJXMCPBTU4 · pith_short_8: NAH2NPIJ

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/NAH2NPIJXMCPBTU4GRM3322CDM \
  | 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: 680fa6bd09bb04f0ce9c3459bdeb421b34b08a84c099e4994267b10006182f73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a43808ec894a973bea870811456c61f0e46765bba6847a7816f70caeb1d7b321",
    "cross_cats_sorted": [
      "math.MP",
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-07-09T14:54:36Z",
    "title_canon_sha256": "a0d349ca13198d9703f3df5052e0159f4625e0e83205a5e92c9febda1d146c03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2512",
    "kind": "arxiv",
    "version": 3
  }
}