Pith Number

pith:QCPSW6MD

pith:2016:QCPSW6MD4P7GVXNAWPDLH3RTLM

not attested not anchored not stored refs pending

The cohomological nature of the Fu-Kane-Mele invariant

Giuseppe De Nittis, Kiyonori Gomi

arxiv:1603.09421 v2 · 2016-03-31 · math-ph · cond-mat.mes-hall · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QCPSW6MD4P7GVXNAWPDLH3RTLM}

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	2026-05-18T00:31:59.137067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

809f2b7983e3fe6adda0b3c6b3ee335b05c73223a5b49984d3341951dcb6a875

Aliases

arxiv: 1603.09421 · arxiv_version: 1603.09421v2 · doi: 10.48550/arxiv.1603.09421 · pith_short_12: QCPSW6MD4P7G · pith_short_16: QCPSW6MD4P7GVXNA · pith_short_8: QCPSW6MD

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/QCPSW6MD4P7GVXNAWPDLH3RTLM \
  | 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: 809f2b7983e3fe6adda0b3c6b3ee335b05c73223a5b49984d3341951dcb6a875

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52df1322d0217574a73173085d91fefb802f21ffaef67c40d4e6c46c837551a4",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-03-31T00:04:17Z",
    "title_canon_sha256": "a3cc8d4e32932992235448f22aebb8c914d1e4c6b4e7e37affaed1f929b0dc8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09421",
    "kind": "arxiv",
    "version": 2
  }
}