Pith Number

pith:23SUI2LD

pith:2021:23SUI2LDULEQ2O7LH4BCW7SI4F

not attested not anchored not stored refs pending

Topological invariants beyond symmetry indicators: Boundary diagnostics for twofold rotationally symmetric superconductors

Sheng-Jie Huang, Tzu-Chieh Wei, Yanzhu Chen, Yi-Ting Hsu

arxiv:2109.06959 v2 · 2021-09-14 · cond-mat.supr-con · cond-mat.mes-hall · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{23SUI2LDULEQ2O7LH4BCW7SI4F}

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	2026-07-05T04:12:16.213735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6e5446963a2c90d3beb3f022b7e48e15ff02eee97b5db351f31083ed054474f

Aliases

arxiv: 2109.06959 · arxiv_version: 2109.06959v2 · doi: 10.48550/arxiv.2109.06959 · pith_short_12: 23SUI2LDULEQ · pith_short_16: 23SUI2LDULEQ2O7L · pith_short_8: 23SUI2LD

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/23SUI2LDULEQ2O7LH4BCW7SI4F \
  | 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: d6e5446963a2c90d3beb3f022b7e48e15ff02eee97b5db351f31083ed054474f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95c0e4274c3907320cf2c661ce060d8ff77d14f3a27ca64a464f792d8237a672",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2021-09-14T20:37:44Z",
    "title_canon_sha256": "0162d74dd165cacc87adb860d20dcbe49867156c78cd2fb9eff4a6c2b76f75b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06959",
    "kind": "arxiv",
    "version": 2
  }
}