Pith Number

pith:NZWLKCGK

pith:2023:NZWLKCGK3SWPL5XUJTIEKZXMPY

not attested not anchored not stored refs pending

First Direct Observation of Nanometer size Hydride Precipitations on Superconducting Niobium

Akshay Murthy, Alexander Romanenko, Anna Grassellino, Arely Cano, Evguenia Karapetrova, Jaeyel Lee, Martina Martinello, Zu Hawn Sung

arxiv:2305.01022 v1 · 2023-05-01 · 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{NZWLKCGK3SWPL5XUJTIEKZXMPY}

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	2026-07-05T06:06:20.558980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e6cb508cadcacf5f6f44cd04566ec7e17352aeba858e1366b5e8e30e1d30c0d

Aliases

arxiv: 2305.01022 · arxiv_version: 2305.01022v1 · doi: 10.48550/arxiv.2305.01022 · pith_short_12: NZWLKCGK3SWP · pith_short_16: NZWLKCGK3SWPL5XU · pith_short_8: NZWLKCGK

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/NZWLKCGK3SWPL5XUJTIEKZXMPY \
  | 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: 6e6cb508cadcacf5f6f44cd04566ec7e17352aeba858e1366b5e8e30e1d30c0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7e0212cf7f2fba7ee5c2dc6d470bb83bdf1fa78a4b6ab24f42204af282b5c26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2023-05-01T18:27:15Z",
    "title_canon_sha256": "5ff51fa7224468be2f5a52c69792a68125a3add6caf88944ce7b57dd0786b6d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.01022",
    "kind": "arxiv",
    "version": 1
  }
}