Pith Number

pith:XX22QWJB

pith:1994:XX22QWJB3YBEWVQDCZYORGA2VI

not attested not anchored not stored refs pending

Nonlinear Schr\"odinger Equation for Superconductors

David J. Thouless, Ping Ao, X.-M. Zhu

arxiv:cond-mat/9312099 v1 · 1994-01-02 · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XX22QWJB3YBEWVQDCZYORGA2VI}

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	2026-05-18T01:39:37.477391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdf5a85921de024b56031670e8981aaa30904499556351b99270f563f26a6d75

Aliases

arxiv: cond-mat/9312099 · arxiv_version: cond-mat/9312099v1 · doi: 10.48550/arxiv.cond-mat/9312099 · pith_short_12: XX22QWJB3YBE · pith_short_16: XX22QWJB3YBEWVQD · pith_short_8: XX22QWJB

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/XX22QWJB3YBEWVQDCZYORGA2VI \
  | 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: bdf5a85921de024b56031670e8981aaa30904499556351b99270f563f26a6d75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4b388d31b104d577b9c1273a58343f1d4979bf36ef6176333978508bb7ce614",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1994-01-02T23:38:00Z",
    "title_canon_sha256": "db4b216b5d8819ea5166fb7883949f281ce5d7b2e4733b819ff7d5c14cb5c738"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9312099",
    "kind": "arxiv",
    "version": 1
  }
}