Pith Number

pith:I4BCVDA4

pith:2018:I4BCVDA4OLASZQQPCKMWPQNUJE

not attested not anchored not stored refs pending

The centrosymmetric Li2NaN material: an ideal topological semimetal with critical-type triply degenerate nodal points

Guifeng Chen, Guodong Liu, Heyan Liu, Lei Jin, Xiaoming Zhang, Xuefang Dai

arxiv:1811.03328 v1 · 2018-11-08 · 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{I4BCVDA4OLASZQQPCKMWPQNUJE}

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	2026-05-17T23:52:40.069692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47022a8c1c72c12cc20f129967c1b449202f57a0c3915602b668464528d41eb8

Aliases

arxiv: 1811.03328 · arxiv_version: 1811.03328v1 · doi: 10.48550/arxiv.1811.03328 · pith_short_12: I4BCVDA4OLAS · pith_short_16: I4BCVDA4OLASZQQP · pith_short_8: I4BCVDA4

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/I4BCVDA4OLASZQQPCKMWPQNUJE \
  | 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: 47022a8c1c72c12cc20f129967c1b449202f57a0c3915602b668464528d41eb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "610f03ee24f42b8e9c7eea88a4287ffe6e2be9f047584c870c98a3fc680f40ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-11-08T09:32:52Z",
    "title_canon_sha256": "2786b4ad6bb7654d687725e1932abf7a2a635e4c607e6386a343a0553f5f8f21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03328",
    "kind": "arxiv",
    "version": 1
  }
}