Pith Number

pith:4XM7X6YC

pith:2026:4XM7X6YC4YKAOYUG5ADKXDINLQ

not attested not anchored not stored refs pending

Shapiro steps of superfluid Fermi gases in a ring trap across the BCS--BEC crossover

Hikaru Kuriki, Masaya Kunimi, Tetsuro Nikuni

arxiv:2605.17940 v1 · 2026-05-18 · cond-mat.quant-gas · 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{4XM7X6YC4YKAOYUG5ADKXDINLQ}

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	2026-05-20T00:05:07.120741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5d9fbfb02e614076286e806ab8d0d5c1f635995ad243e89113777926731c5b4

Aliases

arxiv: 2605.17940 · arxiv_version: 2605.17940v1 · doi: 10.48550/arxiv.2605.17940 · pith_short_12: 4XM7X6YC4YKA · pith_short_16: 4XM7X6YC4YKAOYUG · pith_short_8: 4XM7X6YC

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/4XM7X6YC4YKAOYUG5ADKXDINLQ \
  | 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: e5d9fbfb02e614076286e806ab8d0d5c1f635995ad243e89113777926731c5b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1504fe2a01a4a939ce4bf6a96a576bca6b8498f65278956cf4e616c1820e9d83",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2026-05-18T06:57:01Z",
    "title_canon_sha256": "9e6bd5971744d7558c6f44057142c5af2932d113d06cdbcf900bcbe65d172aad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17940",
    "kind": "arxiv",
    "version": 1
  }
}