Pith Number

pith:NURKY3OX

pith:2018:NURKY3OX6XGSJQQNT66BWMWPNP

not attested not anchored not stored refs pending

On the Emergence of Topologically Protected Boundary States in Topological/Normal Insulator Heterostructures

A. Fazzio, A. T. Costa, M. Buongiorno Nardelli, M. Costa, Tome M. Schmidt, Walter A. Freitas

arxiv:1803.08587 v1 · 2018-03-22 · 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{NURKY3OX6XGSJQQNT66BWMWPNP}

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	2026-05-18T00:20:19.180230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d22ac6dd7f5cd24c20d9fbc1b32cf6bfdaf0957d0664464f2742b2f5ed80306

Aliases

arxiv: 1803.08587 · arxiv_version: 1803.08587v1 · doi: 10.48550/arxiv.1803.08587 · pith_short_12: NURKY3OX6XGS · pith_short_16: NURKY3OX6XGSJQQN · pith_short_8: NURKY3OX

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/NURKY3OX6XGSJQQNT66BWMWPNP \
  | 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: 6d22ac6dd7f5cd24c20d9fbc1b32cf6bfdaf0957d0664464f2742b2f5ed80306

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f329fff79162ae8ca96d23d667f59e5a370cdc98174d6f17d7e1734d67263f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-03-22T21:22:29Z",
    "title_canon_sha256": "4f0185a41b4a9d41ad7b95df9972940e4c6d1a3b9ce8ab0ef5d2fa8598c3c74a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08587",
    "kind": "arxiv",
    "version": 1
  }
}