Pith Number

pith:MCF6YFON

pith:2025:MCF6YFONPUVNGSYPMGICKTYMAW

not attested not anchored not stored refs pending

Fundamental limit on the heralded single photons' spectral brightness

Ite A. Yu, Pei-Yu Tu, Tse-Yu Lin, Wei-Kai Huang, Yong-Fan Chen

arxiv:2510.24439 v2 · 2025-10-28 · 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{MCF6YFONPUVNGSYPMGICKTYMAW}

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	2026-06-01T01:02:24.576623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

608bec15cd7d2ad34b0f6190254f0c0585162995bd5dffa1d39db3463ae3fec5

Aliases

arxiv: 2510.24439 · arxiv_version: 2510.24439v2 · doi: 10.48550/arxiv.2510.24439 · pith_short_12: MCF6YFONPUVN · pith_short_16: MCF6YFONPUVNGSYP · pith_short_8: MCF6YFON

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/MCF6YFONPUVNGSYPMGICKTYMAW \
  | 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: 608bec15cd7d2ad34b0f6190254f0c0585162995bd5dffa1d39db3463ae3fec5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08351fb0cd7a4a5f33056adf178ff35f3cdbbb5202b0e8c80c496c18c82a300e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-10-28T14:06:22Z",
    "title_canon_sha256": "f26fd8391b554abf54fd96b52319c1c1d3458fe1ac15d033cf0351be9d5896ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.24439",
    "kind": "arxiv",
    "version": 2
  }
}