Pith Number

pith:SJIBUPKH

pith:2019:SJIBUPKHB4AWB26OSXGN3BQ4DY

not attested not anchored not stored refs pending

Negative Friction Coefficients in Superlubric Graphite-Hexagonal Boron Nitride Heterojunctions

Davide Mandelli, Michael Urbakh, Oded Hod, Wengen Ouyang

arxiv:1902.08067 v1 · 2019-02-21 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SJIBUPKHB4AWB26OSXGN3BQ4DY}

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	2026-05-17T23:53:02.203867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92501a3d470f0160ebce95ccdd861c1e1a13f6eba9f25cfef49563a50ce7b84f

Aliases

arxiv: 1902.08067 · arxiv_version: 1902.08067v1 · doi: 10.48550/arxiv.1902.08067 · pith_short_12: SJIBUPKHB4AW · pith_short_16: SJIBUPKHB4AWB26O · pith_short_8: SJIBUPKH

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/SJIBUPKHB4AWB26OSXGN3BQ4DY \
  | 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: 92501a3d470f0160ebce95ccdd861c1e1a13f6eba9f25cfef49563a50ce7b84f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56c85ab30eebc1efc3395a64dd01e27d31a132e0bd97ce47a6e477be95a8c79d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-02-21T14:28:39Z",
    "title_canon_sha256": "08ddf1d31ecd527af07e023327440fe5af68baeb33b8e524dd9770767b2e6995"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08067",
    "kind": "arxiv",
    "version": 1
  }
}