Pith Number

pith:3RUR6WJQ

pith:2014:3RUR6WJQ6D7CQKC5MSBQCFDRLL

not attested not anchored not stored refs pending

The $Z_2$ Classification of Dimensional Reduced Hopf Insulators

Chang-Yan Wang, Yan He

arxiv:1407.3427 v1 · 2014-07-13 · 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{3RUR6WJQ6D7CQKC5MSBQCFDRLL}

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	2026-05-18T01:42:37.314420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc691f5930f0fe28285d64830114715ac6b3fdc731d4e528f557e680b3925bcc

Aliases

arxiv: 1407.3427 · arxiv_version: 1407.3427v1 · doi: 10.48550/arxiv.1407.3427 · pith_short_12: 3RUR6WJQ6D7C · pith_short_16: 3RUR6WJQ6D7CQKC5 · pith_short_8: 3RUR6WJQ

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/3RUR6WJQ6D7CQKC5MSBQCFDRLL \
  | 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: dc691f5930f0fe28285d64830114715ac6b3fdc731d4e528f557e680b3925bcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c3dd72707dbb794e1342116c223e420d737db37e88ee97aa4440166dee84122",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2014-07-13T02:38:57Z",
    "title_canon_sha256": "0c0cda65b263ddf6875826ff666398f3480348704ad4ce5aec9e77e558b10545"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3427",
    "kind": "arxiv",
    "version": 1
  }
}