Pith Number

pith:II2AZPZP

pith:2019:II2AZPZPIFS3BWQ3QR7GQU6BD2

not attested not anchored not stored refs pending

Observation of topological surface state in a superconducting material

Ayana Ghosh, Christopher Lane, Christopher Sims, Dariusz Kaczorowski, Firoza Kabir, Gyanendra Dhakal, Jian-Xin Zhu, Karolina Gornicka, Klauss Dimitri, Luis Persaud, Madhab Neupane, Michal J. Winiarski, M. Mofazzel Hosen, Sabin Regmi, Tomasz Klimczuk, William Neff, Yangyang Liu

arxiv:1911.08519 v1 · 2019-11-19 · cond-mat.mes-hall · 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{II2AZPZPIFS3BWQ3QR7GQU6BD2}

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	2026-07-05T00:20:33.305781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42340cbf2f4165b0da1b847e6853c11eae16508fc4333a8aac58ffbbc3b474df

Aliases

arxiv: 1911.08519 · arxiv_version: 1911.08519v1 · doi: 10.48550/arxiv.1911.08519 · pith_short_12: II2AZPZPIFS3 · pith_short_16: II2AZPZPIFS3BWQ3 · pith_short_8: II2AZPZP

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/II2AZPZPIFS3BWQ3QR7GQU6BD2 \
  | 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: 42340cbf2f4165b0da1b847e6853c11eae16508fc4333a8aac58ffbbc3b474df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c221fc57960139c616a4e7390055e10898da81b14f851572b445ad0ae5d005f",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-11-19T19:29:10Z",
    "title_canon_sha256": "0217242f51c36ff151a93e74ba161f8f436388d8679d2dbaff1b0a530965c7d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.08519",
    "kind": "arxiv",
    "version": 1
  }
}