Pith Number

pith:3SGLZ3XH

pith:2019:3SGLZ3XHWV4JZJJEXQHEHLCWJT

not attested not anchored not stored refs pending

Topological Insulators by Topology Optimization

Fengwen Wang, Ole Sigmund, Rasmus E. Christiansen

arxiv:1904.02771 v1 · 2019-04-04 · 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{3SGLZ3XHWV4JZJJEXQHEHLCWJT}

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	2026-05-17T23:43:02.697728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc8cbceee7b5789ca524bc0e43ac564cc9ab529a3a69b7556bd4317fc988da69

Aliases

arxiv: 1904.02771 · arxiv_version: 1904.02771v1 · doi: 10.48550/arxiv.1904.02771 · pith_short_12: 3SGLZ3XHWV4J · pith_short_16: 3SGLZ3XHWV4JZJJE · pith_short_8: 3SGLZ3XH

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/3SGLZ3XHWV4JZJJEXQHEHLCWJT \
  | 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: dc8cbceee7b5789ca524bc0e43ac564cc9ab529a3a69b7556bd4317fc988da69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f17a8a3d950d95a15d2ab13fd38fe0a5022bdea988d0cc65682eda0f65cc67b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-04-04T19:59:17Z",
    "title_canon_sha256": "e3b966d0c8b303bab3d1a1f9451f43346affbc8ea1170e16a34c3366b1495823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02771",
    "kind": "arxiv",
    "version": 1
  }
}