Pith Number

pith:7NOFDMQU

pith:2021:7NOFDMQUQQWSDPL2FHTUEJTBVP

not attested not anchored not stored refs pending

Josephson effects in twisted nodal superconductors

J. H. Pixley, Nicola Poccia, Pavel A. Volkov, Philip Kim, Shu Yang Frank Zhao, Xiaomeng Cui

arxiv:2108.13456 v1 · 2021-08-30 · 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{7NOFDMQUQQWSDPL2FHTUEJTBVP}

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	2026-07-05T10:07:12.613554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb5c51b214842d21bd7a29e7422661abff328645c73d1398e77c121d89fbc33b

Aliases

arxiv: 2108.13456 · arxiv_version: 2108.13456v1 · doi: 10.48550/arxiv.2108.13456 · pith_short_12: 7NOFDMQUQQWS · pith_short_16: 7NOFDMQUQQWSDPL2 · pith_short_8: 7NOFDMQU

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/7NOFDMQUQQWSDPL2FHTUEJTBVP \
  | 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: fb5c51b214842d21bd7a29e7422661abff328645c73d1398e77c121d89fbc33b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e23d643234e575d215b74416fa91a31040939c42f38febbb6055d670d2f8c0d",
    "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": "2021-08-30T18:10:42Z",
    "title_canon_sha256": "44039dd482f4fdf6c5a96dd6901802e371327bfa3045c0d5c5f931783693f676"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.13456",
    "kind": "arxiv",
    "version": 1
  }
}