Pith Number

pith:WXJYML57

pith:2009:WXJYML57F4QCXCRM222Z2SHQKK

not attested not anchored not stored refs pending

On the kinetic energy of unitary Fermi gas in a harmonic trap

Alexander L. Zubarev, Michael Zoubarev

arxiv:0906.1239 v1 · 2009-06-06 · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WXJYML57F4QCXCRM222Z2SHQKK}

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	2026-05-18T02:13:28.572067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5d3862fbf2f202b8a2cd6b59d48f052b22484679fa29f2fe5be11fcff71f444

Aliases

arxiv: 0906.1239 · arxiv_version: 0906.1239v1 · doi: 10.48550/arxiv.0906.1239 · pith_short_12: WXJYML57F4QC · pith_short_16: WXJYML57F4QCXCRM · pith_short_8: WXJYML57

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/WXJYML57F4QCXCRM222Z2SHQKK \
  | 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: b5d3862fbf2f202b8a2cd6b59d48f052b22484679fa29f2fe5be11fcff71f444

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9817273103ee317e1115086e180eb026ee485345ec49a1911a098bc493220d89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2009-06-06T01:03:11Z",
    "title_canon_sha256": "e00fb04f90bb3680be87c07d964ad103f5d019ca02bee2e73347f0551f8fd057"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.1239",
    "kind": "arxiv",
    "version": 1
  }
}