Pith Number

pith:UQIWL7AD

pith:2021:UQIWL7ADEQVXEI6L6NV2VBMX6U

not attested not anchored not stored refs pending

Identifying Chern numbers of superconductors from local measurements

Jakub Tworzyd{\l}o, Marcin P{\l}odzie\'n, Paul Baireuther, Teemu Ojanen, Timo Hyart

arxiv:2112.06777 v2 · 2021-12-13 · cond-mat.mes-hall · cond-mat.dis-nn · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UQIWL7ADEQVXEI6L6NV2VBMX6U}

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	2026-07-05T06:14:33.592749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a41165fc03242b7223cbf36baa8597f53db27960490895fe01a5340288608736

Aliases

arxiv: 2112.06777 · arxiv_version: 2112.06777v2 · doi: 10.48550/arxiv.2112.06777 · pith_short_12: UQIWL7ADEQVX · pith_short_16: UQIWL7ADEQVXEI6L · pith_short_8: UQIWL7AD

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/UQIWL7ADEQVXEI6L6NV2VBMX6U \
  | 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: a41165fc03242b7223cbf36baa8597f53db27960490895fe01a5340288608736

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2808f4a6dfb8fd5e52ec7276d356b36f74f4feb135ff4ed4967788f47b77f901",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2021-12-13T16:34:35Z",
    "title_canon_sha256": "b59a3a96d2fdee102e974c77746e6896f34964adfe69b567ac0ab16e84c30bbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06777",
    "kind": "arxiv",
    "version": 2
  }
}