Pith Number

pith:6ELZCZUE

pith:2025:6ELZCZUE7VTFHV37BUZAHHBLKD

not attested not anchored not stored refs pending

Observation of Subnatural-Linewidth Biphotons In a Two-Level Atomic Ensemble

Chih-Sung Chuu, Chin-Te Wu, Ite A. Yu, Jyun-Kai Lin, Ravikumar Chinnarasu, Shengwang Du, Tzu-Hsiang Chien

arxiv:2501.11908 v1 · 2025-01-21 · physics.atom-ph · 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{6ELZCZUE7VTFHV37BUZAHHBLKD}

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	2026-07-05T10:03:15.753038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f117916684fd6653d77f0d32039c2b50fcb0c3bfc8a4a99a8de32c467305a586

Aliases

arxiv: 2501.11908 · arxiv_version: 2501.11908v1 · doi: 10.48550/arxiv.2501.11908 · pith_short_12: 6ELZCZUE7VTF · pith_short_16: 6ELZCZUE7VTFHV37 · pith_short_8: 6ELZCZUE

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/6ELZCZUE7VTFHV37BUZAHHBLKD \
  | 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: f117916684fd6653d77f0d32039c2b50fcb0c3bfc8a4a99a8de32c467305a586

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6c03f180b904298ef49b31581a957932474135dd2c48d09b443bf33b079d2e6",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2025-01-21T06:00:05Z",
    "title_canon_sha256": "d911b2d74b4f083127a98025ae42500e318b8e398fb573e4516b1784ab6f8a5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11908",
    "kind": "arxiv",
    "version": 1
  }
}