Pith Number

pith:QPQZOGWL

pith:2013:QPQZOGWLSDXDZBI2K3S7TCSYBY

not attested not anchored not stored refs pending

Many Topological Insulators Fail the Surface Conduction Test

K. P. Rajeev, Sourabh Barua

arxiv:1304.4037 v2 · 2013-04-15 · cond-mat.str-el · 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{QPQZOGWLSDXDZBI2K3S7TCSYBY}

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	2026-05-18T02:43:02.656149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83e1971acb90ee3c851a56e5f98a580e1edc6c709e535536eb0774b3581df2ef

Aliases

arxiv: 1304.4037 · arxiv_version: 1304.4037v2 · doi: 10.48550/arxiv.1304.4037 · pith_short_12: QPQZOGWLSDXD · pith_short_16: QPQZOGWLSDXDZBI2 · pith_short_8: QPQZOGWL

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/QPQZOGWLSDXDZBI2K3S7TCSYBY \
  | 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: 83e1971acb90ee3c851a56e5f98a580e1edc6c709e535536eb0774b3581df2ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8daa13d138e53e3ef0fbf02334688c00efa5f1acdd31eb61761cadd92c749482",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2013-04-15T09:59:31Z",
    "title_canon_sha256": "94c6b1094a43d9589e4c3dc8d27962dfadf23ae3fd7b62d78be2124da50e3842"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4037",
    "kind": "arxiv",
    "version": 2
  }
}