Pith Number

pith:4YFAP2AQ

pith:1999:4YFAP2AQ6GG4ZG4LP42DDZGZTM

not attested not anchored not stored refs pending

Dark Solitons in Bose-Einstein Condensates

A. Sanpera, G. V. Shlyapnikov, K. Bongs, K. Sengstock, M. Lewenstein, S. Burger, S. Dettmer, W. Ertmer

arxiv:cond-mat/9910487 v2 · 1999-10-29 · 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{4YFAP2AQ6GG4ZG4LP42DDZGZTM}

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	2026-05-18T04:28:08.482116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e60a07e810f18dcc9b8b7f3431e4d99b10e068118d8d062bba2dba88b3b24cfb

Aliases

arxiv: cond-mat/9910487 · arxiv_version: cond-mat/9910487v2 · doi: 10.48550/arxiv.cond-mat/9910487 · pith_short_12: 4YFAP2AQ6GG4 · pith_short_16: 4YFAP2AQ6GG4ZG4L · pith_short_8: 4YFAP2AQ

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/4YFAP2AQ6GG4ZG4LP42DDZGZTM \
  | 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: e60a07e810f18dcc9b8b7f3431e4d99b10e068118d8d062bba2dba88b3b24cfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7330c974a9d13727ac0dd9b072b1003240e631b17183314568de4d32327dc230",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1999-10-29T09:19:23Z",
    "title_canon_sha256": "cd91acc0714c93f8c6ba73cd63b7a66ae6810cb8b1ff8905fce03196dcc65635"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9910487",
    "kind": "arxiv",
    "version": 2
  }
}