Pith Number

pith:Q4BUY7YR

pith:2019:Q4BUY7YRMIJMMZRUEGNIQQPX5S

not attested not anchored not stored refs pending

Distinct Superconducting Gap on Two Bilayer-Split Fermi Surface Sheets in $Bi_2Sr_2CaCu_2O_{8+\delta}$ Superconductor

Chunyao Song, Cong Li, Fengfeng Zhang, Feng Yang, Genda Gu, Guodong Liu, Hongtao Yan, Jiangwei Huang, Jing Liu, Lin Zhao, Ping Ai, Qiang Gao, Qinjun Peng, X. J. Zhou, Yuxiao Zhang, Zuyan Zu

arxiv:1905.04019 v1 · 2019-05-10 · cond-mat.supr-con · cond-mat.mtrl-sci · 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{Q4BUY7YRMIJMMZRUEGNIQQPX5S}

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	2026-05-17T23:46:34.858598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87034c7f116212c66634219a8841f7ec9d61a9751194e6e720c1120e2dd5abdd

Aliases

arxiv: 1905.04019 · arxiv_version: 1905.04019v1 · doi: 10.48550/arxiv.1905.04019 · pith_short_12: Q4BUY7YRMIJM · pith_short_16: Q4BUY7YRMIJMMZRU · pith_short_8: Q4BUY7YR

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/Q4BUY7YRMIJMMZRUEGNIQQPX5S \
  | 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: 87034c7f116212c66634219a8841f7ec9d61a9751194e6e720c1120e2dd5abdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f717355d2361e9d8dbb4e513351e00600f1bbfd2f303b1451089641a69cd44f8",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2019-05-10T09:06:22Z",
    "title_canon_sha256": "29724cc06ab45a99c8e58b84fb7ee2a4f10c0e9bd47b8d8b5a8edd2d508ac544"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04019",
    "kind": "arxiv",
    "version": 1
  }
}