Pith Number

pith:2QDI4MV2

pith:2018:2QDI4MV2HHVJ3ZSMLDRKLDR3FD

not attested not anchored not stored refs pending

A novel superhard tungsten nitride predicted by machine-learning accelerated crystal structure searching

Cong Liu, Dingyu Xing, Hao Gao, Hui-Tian Wang, Jian Sun, Kang Xia

arxiv:1802.05377 v1 · 2018-02-15 · cond-mat.mtrl-sci · physics.comp-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{2QDI4MV2HHVJ3ZSMLDRKLDR3FD}

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	2026-05-17T23:59:39.228460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4068e32ba39ea9de64c58e2a58e3b28d9e0ed0bb994c5f2ca14889452923beb

Aliases

arxiv: 1802.05377 · arxiv_version: 1802.05377v1 · doi: 10.48550/arxiv.1802.05377 · pith_short_12: 2QDI4MV2HHVJ · pith_short_16: 2QDI4MV2HHVJ3ZSM · pith_short_8: 2QDI4MV2

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/2QDI4MV2HHVJ3ZSMLDRKLDR3FD \
  | 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: d4068e32ba39ea9de64c58e2a58e3b28d9e0ed0bb994c5f2ca14889452923beb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "893419604c3a2bf2c38386783e0741435181ad6eeb5cedcb4290065ddf1d8d67",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-02-15T01:14:42Z",
    "title_canon_sha256": "c692039a86c576fa0268eb871433a717787132c837c5281e57805abae4fb4bb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05377",
    "kind": "arxiv",
    "version": 1
  }
}