Pith Number

pith:NHVRTA6O

pith:2013:NHVRTA6ORVIUPSCKGH7BOH3JDE

not attested not anchored not stored refs pending

New topological surface state in layered topological insulators: unoccupied Dirac cone

A.P. Protogenov, E.V. Chulkov, I.V. Silkin, S.V. Eremeev, T.V. Menshchikova

arxiv:1303.2472 v1 · 2013-03-11 · cond-mat.mtrl-sci · 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{NHVRTA6ORVIUPSCKGH7BOH3JDE}

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	2026-05-18T01:51:08.952211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69eb1983ce8d5147c84a31fe171f691912357012d62acb994e5b8955eae05764

Aliases

arxiv: 1303.2472 · arxiv_version: 1303.2472v1 · doi: 10.48550/arxiv.1303.2472 · pith_short_12: NHVRTA6ORVIU · pith_short_16: NHVRTA6ORVIUPSCK · pith_short_8: NHVRTA6O

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/NHVRTA6ORVIUPSCKGH7BOH3JDE \
  | 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: 69eb1983ce8d5147c84a31fe171f691912357012d62acb994e5b8955eae05764

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b85d763ff0960800bd35ab7b67ec12eece1f24e34eb654115459a8744ca9a2e8",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-03-11T10:16:32Z",
    "title_canon_sha256": "ca4ee52b71fdad4dcf40b8b326a1d4e7fc143a6b831ec86b70500a3effb2d6c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2472",
    "kind": "arxiv",
    "version": 1
  }
}