Pith Number

pith:3CQZXD3Y

pith:2017:3CQZXD3YZ56GJJUCU32WICJFGI

not attested not anchored not stored refs pending

Reduction of topological $\mathbb{Z}$ classification in cold atomic systems

Ippei Danshita, Norio Kawakami, Robert Peters, Tsuneya Yoshida

arxiv:1711.09538 v1 · 2017-11-27 · 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{3CQZXD3YZ56GJJUCU32WICJFGI}

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	2026-05-18T00:10:32.092677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8a19b8f78cf7c64a682a6f5640925320b116376596836a452b854dfba661596

Aliases

arxiv: 1711.09538 · arxiv_version: 1711.09538v1 · doi: 10.48550/arxiv.1711.09538 · pith_short_12: 3CQZXD3YZ56G · pith_short_16: 3CQZXD3YZ56GJJUC · pith_short_8: 3CQZXD3Y

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/3CQZXD3YZ56GJJUCU32WICJFGI \
  | 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: d8a19b8f78cf7c64a682a6f5640925320b116376596836a452b854dfba661596

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2ef7d44bc530ede3a437fdd7d07ecc04134da8668a2284a60558d31614723ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2017-11-27T05:09:55Z",
    "title_canon_sha256": "5093b9622c24f74fb8266ac2d78b0e15d67e9a0c5f246cb68d01505a3d5ed9aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09538",
    "kind": "arxiv",
    "version": 1
  }
}