Pith Number

pith:QR4EBEJY

pith:2018:QR4EBEJYDDKAXLYWPKRKQZSTYO

not attested not anchored not stored refs pending

Atomic scale analysis of Nb3Sn on Nb prepared by a vapor-diffusion process for superconducting radiofrequency cavity applications

Daniel L Hall, David N Seidman, Jaeyel Lee, Kai He, Matthias Liepe, Sam Posen, Yulia Trenikhina, Zugang Mao

arxiv:1807.03898 v2 · 2018-07-10 · cond-mat.mtrl-sci · physics.acc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QR4EBEJYDDKAXLYWPKRKQZSTYO}

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	2026-05-17T23:41:13.147449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

847840913818d40baf167aa2a86653c3aa48e8eb2bb7782dcfa2f83b9327dee7

Aliases

arxiv: 1807.03898 · arxiv_version: 1807.03898v2 · doi: 10.48550/arxiv.1807.03898 · pith_short_12: QR4EBEJYDDKA · pith_short_16: QR4EBEJYDDKAXLYW · pith_short_8: QR4EBEJY

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/QR4EBEJYDDKAXLYWPKRKQZSTYO \
  | 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: 847840913818d40baf167aa2a86653c3aa48e8eb2bb7782dcfa2f83b9327dee7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eda3a05cce07c38d06d1da266c8cce5b8902ce139b4e0ae45776a9aaf2e8349d",
    "cross_cats_sorted": [
      "physics.acc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-07-10T23:07:01Z",
    "title_canon_sha256": "93a56643a9f16d5582c4dc51cca72f2fde9ba3fe5e6d89be09f297d1b9598a7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03898",
    "kind": "arxiv",
    "version": 2
  }
}