Pith Number

pith:DAG7FJIM

pith:2019:DAG7FJIMIFHC2IT3G6YUHJE37R

not attested not anchored not stored refs pending

Superconductivity below 2.5K in Nb0.25Bi2Se3 topological insulator single crystal

Australia), Lina Sang, M. M. Sharma, P. Rani (CSIR-NPL), V.P.S. Awana (CSIR-NPL), X.L. Wang (UOW

arxiv:1911.08108 v1 · 2019-11-19 · 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{DAG7FJIMIFHC2IT3G6YUHJE37R}

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	2026-07-05T00:20:25.277182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

180df2a50c414e2d227b37b143a49bfc4ee1bb3045fb9c847e729a98cf477db1

Aliases

arxiv: 1911.08108 · arxiv_version: 1911.08108v1 · doi: 10.48550/arxiv.1911.08108 · pith_short_12: DAG7FJIMIFHC · pith_short_16: DAG7FJIMIFHC2IT3 · pith_short_8: DAG7FJIM

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/DAG7FJIMIFHC2IT3G6YUHJE37R \
  | 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: 180df2a50c414e2d227b37b143a49bfc4ee1bb3045fb9c847e729a98cf477db1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58ae5a7a3a9c0ae9cf029b7f8128e7bf6ad01c91bb7883371e5c19d24647e768",
    "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": "2019-11-19T06:12:18Z",
    "title_canon_sha256": "4a1488da63ad66f27c1d1895b83621b4473ca0707f8086f4db17ea38408f60c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.08108",
    "kind": "arxiv",
    "version": 1
  }
}