Pith Number

pith:OJVFBFEI

pith:2021:OJVFBFEIETGNMIVYCJAIQ45QW2

not attested not anchored not stored refs pending

Characterization of Nb22O54 microrods grown from niobium oxide powders recovered from mine tailings

B. Sotillo, F. A. Lopez, L. Alcaraz, P. Fernandez

arxiv:2104.01640 v1 · 2021-04-04 · cond-mat.mtrl-sci · physics.chem-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{OJVFBFEIETGNMIVYCJAIQ45QW2}

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	2026-07-05T02:29:02.181069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

726a50948824ccd622b812408873b0b69477b9d372b0545bc5dd7f6a768a475c

Aliases

arxiv: 2104.01640 · arxiv_version: 2104.01640v1 · doi: 10.48550/arxiv.2104.01640 · pith_short_12: OJVFBFEIETGN · pith_short_16: OJVFBFEIETGNMIVY · pith_short_8: OJVFBFEI

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/OJVFBFEIETGNMIVYCJAIQ45QW2 \
  | 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: 726a50948824ccd622b812408873b0b69477b9d372b0545bc5dd7f6a768a475c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "730eb74f1a7c3bb62625788bb0d1d7e93178a3e8b7c463271ec007a649b6cc44",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-04-04T16:19:31Z",
    "title_canon_sha256": "d99296b8ac207f488981d141d6fdd94303a5288a4fc96f2eaf607e24eaba918b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.01640",
    "kind": "arxiv",
    "version": 1
  }
}