Pith Number

pith:EDQ6HFYR

pith:2011:EDQ6HFYRMX5IIQHAU2ME7NKEMJ

not attested not anchored not stored refs pending

Half-metallic Surface States and Topological Superconductivity in NaCoO$_2$ from first principles

Gang Xu, Haijun Zhang, Hongming Weng, Shou-Cheng Zhang, Xi Dai, Zhong Fang

arxiv:1103.1930 v2 · 2011-03-10 · 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{EDQ6HFYRMX5IIQHAU2ME7NKEMJ}

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	2026-05-18T04:14:18.029394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20e1e3971165fa8440e0a6984fb5446254ba07e5ed07b12be29f54ab26d47002

Aliases

arxiv: 1103.1930 · arxiv_version: 1103.1930v2 · doi: 10.48550/arxiv.1103.1930 · pith_short_12: EDQ6HFYRMX5I · pith_short_16: EDQ6HFYRMX5IIQHA · pith_short_8: EDQ6HFYR

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/EDQ6HFYRMX5IIQHAU2ME7NKEMJ \
  | 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: 20e1e3971165fa8440e0a6984fb5446254ba07e5ed07b12be29f54ab26d47002

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d566b7d795ae11b3086a13ba834785a83b1f98b02ad95994892b6938c3514864",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-03-10T02:46:01Z",
    "title_canon_sha256": "e04c929c9076879f66cc02da7abc99d9d11137682e7d9bb43abec1a72b4e9ec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1930",
    "kind": "arxiv",
    "version": 2
  }
}