Pith Number

pith:ZA7ABPX3

pith:1998:ZA7ABPX365HXQNBNTKJO3HDHSF

not attested not anchored not stored refs pending

Macroscopic Quantum Tunneling of a Bose-Einstein Condensate with Attractive Interaction

Anthony J. Leggett, Masahito Ueda

arxiv:cond-mat/9801196 v1 · 1998-01-20 · cond-mat · 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{ZA7ABPX365HXQNBNTKJO3HDHSF}

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	2026-07-04T16:07:32.164064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c83e00befbf74f78342d9a92ed9c67915c525b14e666289effea1ca487b5331a

Aliases

arxiv: cond-mat/9801196 · arxiv_version: cond-mat/9801196v1 · doi: 10.48550/arxiv.cond-mat/9801196 · pith_short_12: ZA7ABPX365HX · pith_short_16: ZA7ABPX365HXQNBN · pith_short_8: ZA7ABPX3

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/ZA7ABPX365HXQNBNTKJO3HDHSF \
  | 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: c83e00befbf74f78342d9a92ed9c67915c525b14e666289effea1ca487b5331a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a98abb467ba7e96cb9325ac0e07ff80049ee0f2f8476e560eee7b482d2b05bc4",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1998-01-20T13:03:14Z",
    "title_canon_sha256": "8db0878de712998b9ff4a59610996df5a2ee7369f3422ba77ebf91cd580f8dd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9801196",
    "kind": "arxiv",
    "version": 1
  }
}