Pith Number

pith:4NPSK3I5

pith:2019:4NPSK3I5DTG7TTDMHDG2VWL5UU

not attested not anchored not stored refs pending

A general route to form topologically-protected surface and bulk Dirac fermions along high-symmetry lines

B.-J. Yang, F. Mazzola, I. Markovi\'c, I. Vobornik, J. Fujii, J. R. Riley, K. Okawa, K. Sumida, M. S. Bahramy, O. J. Clark, P. D. C. King, T. K. Kim, T. Okuda, T. Sasagawa

arxiv:1902.09211 v1 · 2019-02-25 · 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{4NPSK3I5DTG7TTDMHDG2VWL5UU}

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	2026-05-17T23:52:46.382598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e35f256d1d1ccdf9cc6c38cdaad97da538c182fa54c4c8a0b64571acf983f55b

Aliases

arxiv: 1902.09211 · arxiv_version: 1902.09211v1 · doi: 10.48550/arxiv.1902.09211 · pith_short_12: 4NPSK3I5DTG7 · pith_short_16: 4NPSK3I5DTG7TTDM · pith_short_8: 4NPSK3I5

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/4NPSK3I5DTG7TTDMHDG2VWL5UU \
  | 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: e35f256d1d1ccdf9cc6c38cdaad97da538c182fa54c4c8a0b64571acf983f55b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88ba643b7a7787cb5027873f596fcd4e0b8fd94f3c8d495f79072b2106e4e3c2",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-02-25T11:52:22Z",
    "title_canon_sha256": "57cc5e262b41aa8f7e5575bb227df4cb934bfc3375ddbe4218a3226862b7723a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09211",
    "kind": "arxiv",
    "version": 1
  }
}