Pith Number

pith:WHJZME7R

pith:2021:WHJZME7RJE5GKCS5QMLADP7JGV

not attested not anchored not stored refs pending

Internal Friction Measures to Study Precipitates Formation in EP and N-Doped Bulk Nb for SRF Applications

Alexander Romanenko, Anna Grassellino, Tiziana Spina

arxiv:2109.07961 v1 · 2021-09-16 · physics.app-ph · cond-mat.mtrl-sci · 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{WHJZME7RJE5GKCS5QMLADP7JGV}

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	2026-07-05T03:15:03.496460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1d39613f1493a650a5d831601bfe9355dcbd1705f60385cf5b8a2a71f2a4f60

Aliases

arxiv: 2109.07961 · arxiv_version: 2109.07961v1 · doi: 10.48550/arxiv.2109.07961 · pith_short_12: WHJZME7RJE5G · pith_short_16: WHJZME7RJE5GKCS5 · pith_short_8: WHJZME7R

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/WHJZME7RJE5GKCS5QMLADP7JGV \
  | 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: b1d39613f1493a650a5d831601bfe9355dcbd1705f60385cf5b8a2a71f2a4f60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bbd6bbafeeb74859995dd31acab0d972232e675ecfa34c7ce6978ba0790878b",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.supr-con"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2021-09-16T13:12:15Z",
    "title_canon_sha256": "ba2e99db95af141061c714623c20f44c72e0f64e1dfccbd1f1e2a76e57ebcb7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07961",
    "kind": "arxiv",
    "version": 1
  }
}