Pith Number

pith:EXRSEK5A

pith:2026:EXRSEK5A6NDIBLWEQIP37LBVUW

not attested not anchored not stored refs pending

Beating the Bad-Cavity Limit via Auxiliary-Emitter Linewidth Squeezing

Xue-Hua Wang, Youke Xu, Zeyang Liao

arxiv:2607.27878 v1 · 2026-07-30 · 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{EXRSEK5A6NDIBLWEQIP37LBVUW}

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	2026-07-31T01:34:32.627286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

25e3222ba0f34680aec4821fbfac35a59588426fb80bfaf3831ab405a686838f

Aliases

arxiv: 2607.27878 · arxiv_version: 2607.27878v1 · doi: 10.48550/arxiv.2607.27878 · pith_short_12: EXRSEK5A6NDI · pith_short_16: EXRSEK5A6NDIBLWE · pith_short_8: EXRSEK5A

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/EXRSEK5A6NDIBLWEQIP37LBVUW \
  | 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: 25e3222ba0f34680aec4821fbfac35a59588426fb80bfaf3831ab405a686838f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ca96e38321457ccbab3b5e1d30b6b2511bc17e44add6cabf181dbabf90c449d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-30T08:53:25Z",
    "title_canon_sha256": "36999650059df2d0add3f8cb5715534208a0ec0f4f4c6a4426aacb5012406a44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27878",
    "kind": "arxiv",
    "version": 1
  }
}