Pith Number

pith:TQW6H2CI

pith:2014:TQW6H2CICPM6KZIU4RIZBR6XU2

not attested not anchored not stored refs pending

Entanglement entropy in Fermi gases and Anderson's orthogonality catastrophe

A. Ossipov

arxiv:1404.2506 v2 · 2014-04-09 · cond-mat.stat-mech · cond-mat.quant-gas · 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{TQW6H2CICPM6KZIU4RIZBR6XU2}

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	2026-05-18T02:41:53.158993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c2de3e84813d9e56514e45190c7d7a6bdd83737c9451f797f2caad1e5d4248f

Aliases

arxiv: 1404.2506 · arxiv_version: 1404.2506v2 · doi: 10.48550/arxiv.1404.2506 · pith_short_12: TQW6H2CICPM6 · pith_short_16: TQW6H2CICPM6KZIU · pith_short_8: TQW6H2CI

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/TQW6H2CICPM6KZIU4RIZBR6XU2 \
  | 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: 9c2de3e84813d9e56514e45190c7d7a6bdd83737c9451f797f2caad1e5d4248f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0530295ffded21c1ec708715b415465aba156163e442862c1e4d5b8db3fd6fdd",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2014-04-09T14:53:59Z",
    "title_canon_sha256": "c33e11922a282a7717f9d56380e303d4e3ad2ca260c3f79524789a642008ff56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2506",
    "kind": "arxiv",
    "version": 2
  }
}