Pith Number

pith:SR6XQE5Y

pith:2009:SR6XQE5YDD6HOJ5QOBWH5MCU6M

not attested not anchored not stored refs pending

Nodeless superconducting gap in electron-doped BaFe$_{1.9}$Ni$_{0.1}$As$_2$ probed by quasiparticle heat transport

C. Zhang, G. H. Cao, J. K. Dong, L. Ding, L. J. Li, S. Y. Li, S. Y. Zhou, T. Y. Guan, X. Lin, X. Qiu, Z. A. Xu

arxiv:0906.0138 v2 · 2009-05-31 · cond-mat.supr-con · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SR6XQE5YDD6HOJ5QOBWH5MCU6M}

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	2026-05-18T02:13:30.328205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

947d7813b818fc7727b0706c7eb054f33fdcd8ae8ba53b68dbb026c83836d4e3

Aliases

arxiv: 0906.0138 · arxiv_version: 0906.0138v2 · doi: 10.48550/arxiv.0906.0138 · pith_short_12: SR6XQE5YDD6H · pith_short_16: SR6XQE5YDD6HOJ5Q · pith_short_8: SR6XQE5Y

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/SR6XQE5YDD6HOJ5QOBWH5MCU6M \
  | 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: 947d7813b818fc7727b0706c7eb054f33fdcd8ae8ba53b68dbb026c83836d4e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b61e92b1c11b62c3a2f40a94c00a500dcd4ddd5276760b0b7c8aede8c05f867f",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-05-31T06:39:45Z",
    "title_canon_sha256": "43f60f40ea444282242e2537afec4e43ee6e4614bac79094fba012fb23f10ab8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0138",
    "kind": "arxiv",
    "version": 2
  }
}