Pith Number

pith:UZENDHLR

pith:2025:UZENDHLR2XBKYRFKPYUG5W4NJH

not attested not anchored not stored refs pending

Measuring the Chern-Simons invariant in quantum gases

Chang-Rui Yi, Huan Yuan, Jian-Wei Pan, Jia-Yu Guo, Jinlong Yu, Jinyi Zhang, Shuai Chen, Xin Chen

arxiv:2509.05774 v1 · 2025-09-06 · cond-mat.quant-gas · physics.atom-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{UZENDHLR2XBKYRFKPYUG5W4NJH}

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	2026-07-05T12:06:23.972341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a648d19d71d5c2ac44aa7e286edb8d49df90c73bb68c6b89024cba0b62cc5dd6

Aliases

arxiv: 2509.05774 · arxiv_version: 2509.05774v1 · doi: 10.48550/arxiv.2509.05774 · pith_short_12: UZENDHLR2XBK · pith_short_16: UZENDHLR2XBKYRFK · pith_short_8: UZENDHLR

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/UZENDHLR2XBKYRFKPYUG5W4NJH \
  | 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: a648d19d71d5c2ac44aa7e286edb8d49df90c73bb68c6b89024cba0b62cc5dd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32081d2fa9da5ecd78fabb5bd1ff61632198c4f8d7d77c369c7f4dc5997a306c",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2025-09-06T16:59:45Z",
    "title_canon_sha256": "e34c08beeb895069236ec3e34ddb768bcbb3834969f9f857db481f2a6231b9bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.05774",
    "kind": "arxiv",
    "version": 1
  }
}