Pith Number

pith:X2JUDLMM

pith:2013:X2JUDLMMQIWB6YNBRKWLUKLQQY

not attested not anchored not stored refs pending

Transmittance and reflectance measurements at terahertz frequencies on a superconducting BaFe_{1.84}Co_{0.16}As_2 ultrathin film: an analysis of the optical gaps in the Co-doped BaFe_2As_2 pnictide

Andrea Perucchi, Boby Joseph, Chang Beom Eom, Eric E. Hellstrom, Jeremy D. Weiss, Jianyi Jiang, Leonetta Baldassarre, Paolo Dore, Sanghan Lee, Stefano Lupi

arxiv:1306.1815 v1 · 2013-06-07 · cond-mat.supr-con

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X2JUDLMMQIWB6YNBRKWLUKLQQY}

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	2026-05-18T03:21:32.274160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be9341ad8c822c1f61a18aacba297086398431a8b06d809580a1d0225fc619ca

Aliases

arxiv: 1306.1815 · arxiv_version: 1306.1815v1 · doi: 10.48550/arxiv.1306.1815 · pith_short_12: X2JUDLMMQIWB · pith_short_16: X2JUDLMMQIWB6YNB · pith_short_8: X2JUDLMM

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/X2JUDLMMQIWB6YNBRKWLUKLQQY \
  | 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: be9341ad8c822c1f61a18aacba297086398431a8b06d809580a1d0225fc619ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7acf381186a095de6d98d9efd87963ad550386eeeda0753ea04a9896c47a2a4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-06-07T19:39:31Z",
    "title_canon_sha256": "cb219274f59fc7b6522f057179a21d397f171cd2c10e481890cc74b547de685e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1815",
    "kind": "arxiv",
    "version": 1
  }
}