Pith Number

pith:EJV7LWLY

pith:2019:EJV7LWLY32U4JB63ZKFCWGEKBI

not attested not anchored not stored refs pending

Surface passivation by graphene in the lubrication of iron: A comparison with bronze

Alberto Rota, Antonio Ballestrazzi, Diego Marchetto, M. C. Righi, Paolo Restuccia, Sergio Valeri

arxiv:1901.09616 v1 · 2019-01-28 · 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{EJV7LWLY32U4JB63ZKFCWGEKBI}

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	2026-05-17T23:55:24.285779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

226bf5d978dea9c487dbca8a2b188a0a3eafa170f4435e89f9da886a3c5d9ef0

Aliases

arxiv: 1901.09616 · arxiv_version: 1901.09616v1 · doi: 10.48550/arxiv.1901.09616 · pith_short_12: EJV7LWLY32U4 · pith_short_16: EJV7LWLY32U4JB63 · pith_short_8: EJV7LWLY

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/EJV7LWLY32U4JB63ZKFCWGEKBI \
  | 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: 226bf5d978dea9c487dbca8a2b188a0a3eafa170f4435e89f9da886a3c5d9ef0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f06dd27f1e23220097ffc99641d89fd29ac93dd720376ab5216c6cdcc0589829",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-01-28T11:51:44Z",
    "title_canon_sha256": "240ab68031d2da1691606bf5652e0d00d060a5a8d23d9184128b191dd1995e44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09616",
    "kind": "arxiv",
    "version": 1
  }
}