Pith Number

pith:2U5BFJEB

pith:2018:2U5BFJEBHN6LWI4PC6HTZ23BMA

not attested not anchored not stored refs pending

An atomically thin oxide layer on the elemental superconductor Ta(001) surface

A. I. Lichtenstein, A. Kamlapure, J. Wiebe, L. Cornils, M. Valentyuk, R. Mozara, R. Wiesendanger

arxiv:1812.03141 v1 · 2018-12-07 · cond-mat.mes-hall · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2U5BFJEBHN6LWI4PC6HTZ23BMA}

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	2026-07-05T00:08:53.858805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d53a12a4813b7cbb238f178f3ceb6160051a82b16541ada9307588afe11ac371

Aliases

arxiv: 1812.03141 · arxiv_version: 1812.03141v1 · doi: 10.48550/arxiv.1812.03141 · pith_short_12: 2U5BFJEBHN6L · pith_short_16: 2U5BFJEBHN6LWI4P · pith_short_8: 2U5BFJEB

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/2U5BFJEBHN6LWI4PC6HTZ23BMA \
  | 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: d53a12a4813b7cbb238f178f3ceb6160051a82b16541ada9307588afe11ac371

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be7e538a4a581dc72ab7299e232cc8f5b33dbb25b60425dd0ab36a9d6ea3ed26",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-12-07T18:03:51Z",
    "title_canon_sha256": "1468e24b9dd7a1bab3f86d0d12826846108422fb0dceafa790c8a27620e50e3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03141",
    "kind": "arxiv",
    "version": 1
  }
}