Pith Number

pith:NZ4KBCGB

pith:1998:NZ4KBCGBSO3SVFGD3CSX26GYBA

not attested not anchored not stored refs pending

Interacting Fermi gas in a Harmonic Trap

G. M. Bruun, K. Burnett

arxiv:physics/9807027 v1 · 1998-07-20 · physics.atom-ph · 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{NZ4KBCGBSO3SVFGD3CSX26GYBA}

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	2026-05-18T01:05:15.590256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e78a088c193b72a94c3d8a57d78d808233e73964779481e7695fe7311fe361b

Aliases

arxiv: physics/9807027 · arxiv_version: physics/9807027v1 · doi: 10.48550/arxiv.physics/9807027 · pith_short_12: NZ4KBCGBSO3S · pith_short_16: NZ4KBCGBSO3SVFGD · pith_short_8: NZ4KBCGB

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/NZ4KBCGBSO3SVFGD3CSX26GYBA \
  | 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: 6e78a088c193b72a94c3d8a57d78d808233e73964779481e7695fe7311fe361b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48a586c83add8306f7e88ddf50aad50961eab3f08721aa4dd7bf5367708bf72e",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "1998-07-20T13:53:02Z",
    "title_canon_sha256": "0b2481bf1a1d47770817fac211c7411c9e62b1faa01f462e53a4ff16bcfa265a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9807027",
    "kind": "arxiv",
    "version": 1
  }
}