Pith Number

pith:7WQZZFSF

pith:2013:7WQZZFSFUNYI7AXR44X3L34RTX

not attested not anchored not stored refs pending

Dark soliton in quasi-one-dimensional Bose-Einstein condensates with a Gaussian trap

H. L. C. Couto, W. B. Cardoso

arxiv:1311.2087 v1 · 2013-11-08 · cond-mat.quant-gas · nlin.PS · 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{7WQZZFSFUNYI7AXR44X3L34RTX}

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	2026-05-18T03:07:33.566216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fda19c9645a3708f82f1e72fb5ef919dcf6f27989e7fe0aac9b2775c6eac56d5

Aliases

arxiv: 1311.2087 · arxiv_version: 1311.2087v1 · doi: 10.48550/arxiv.1311.2087 · pith_short_12: 7WQZZFSFUNYI · pith_short_16: 7WQZZFSFUNYI7AXR · pith_short_8: 7WQZZFSF

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/7WQZZFSFUNYI7AXR44X3L34RTX \
  | 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: fda19c9645a3708f82f1e72fb5ef919dcf6f27989e7fe0aac9b2775c6eac56d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91de804b059054fc64b439fda6be46cf07f7522dfe68620e197a144cfbc8ad41",
    "cross_cats_sorted": [
      "nlin.PS",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2013-11-08T21:33:51Z",
    "title_canon_sha256": "e4e38cc3c2cf59379675ff3ec1a2fd6a37af78ddd2e3238040569473ae32fc5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2087",
    "kind": "arxiv",
    "version": 1
  }
}