Pith Number

pith:Z5NYDSVH

pith:2020:Z5NYDSVHKE4UXY4IJUHDRI7CTF

not attested not anchored not stored refs pending

Cooper instability and superconductivity on the Penrose lattice

Fan Yang, Juan-Juan Hao, Wei-Qiang Chen, Ye Cao, Yongyou Zhang, Yu-Bo Liu

arxiv:2002.06485 v3 · 2020-02-16 · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z5NYDSVHKE4UXY4IJUHDRI7CTF}

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	2026-07-05T04:44:26.902304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf5b81caa751394be3884d0e38a3e2994540c02d90734e13cc7ce59518ea6191

Aliases

arxiv: 2002.06485 · arxiv_version: 2002.06485v3 · doi: 10.48550/arxiv.2002.06485 · pith_short_12: Z5NYDSVHKE4U · pith_short_16: Z5NYDSVHKE4UXY4I · pith_short_8: Z5NYDSVH

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/Z5NYDSVHKE4UXY4IJUHDRI7CTF \
  | 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: cf5b81caa751394be3884d0e38a3e2994540c02d90734e13cc7ce59518ea6191

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4699edfc03a6fc1ed42396a4467ba89150ccdd064653129e76c253c20be38e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2020-02-16T01:26:07Z",
    "title_canon_sha256": "39d264fe40f3a05b70376078f87710e4bd419765f07e23a2089fb1663b9e0a57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.06485",
    "kind": "arxiv",
    "version": 3
  }
}