Pith Number

pith:OUEX2X5Z

pith:2015:OUEX2X5ZAGLI2OVNWH4OMOJM3E

not attested not anchored not stored refs pending

Ultrahigh and persistent optical depths of caesium in Kagom\'e-type hollow-core photonic crystal fibres

Amir Feizpour, Benjamin Brecht, Dylan J. Saunders, Eilon Poem, Ian A. Walmsley, Joshua Nunn, Krzysztof T. Kaczmarek, Michael R. Sprague, Patrick M. Ledingham, W. Steven Kolthammer

arxiv:1509.04972 v4 · 2015-09-16 · physics.atom-ph · physics.optics · 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{OUEX2X5ZAGLI2OVNWH4OMOJM3E}

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	2026-05-18T01:25:46.654132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75097d5fb901968d3aadb1f8e6392cd90ac100546c702ab1cc8a9b654637167d

Aliases

arxiv: 1509.04972 · arxiv_version: 1509.04972v4 · doi: 10.48550/arxiv.1509.04972 · pith_short_12: OUEX2X5ZAGLI · pith_short_16: OUEX2X5ZAGLI2OVN · pith_short_8: OUEX2X5Z

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/OUEX2X5ZAGLI2OVNWH4OMOJM3E \
  | 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: 75097d5fb901968d3aadb1f8e6392cd90ac100546c702ab1cc8a9b654637167d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ac11d1798bc04916d794280b8254367054650f60ab852668846e6f6bd50cf66",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2015-09-16T16:31:41Z",
    "title_canon_sha256": "2c05771ae2607c976558eb51e8f6401c9b2911a3812eb5a60b085342e5e6e541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04972",
    "kind": "arxiv",
    "version": 4
  }
}