Pith Number

pith:4DSNLNML

pith:2018:4DSNLNMLELBDCMZDGAMHHJRJPF

not attested not anchored not stored refs pending

Classification of crystalline topological insulators through K-theory

Hessel Posthuma, Jan de Boer, Jorrit Kruthoff, Luuk Stehouwer

arxiv:1811.02592 v2 · 2018-11-06 · cond-mat.mes-hall · hep-th · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DSNLNMLELBDCMZDGAMHHJRJPF}

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	2026-05-17T23:58:36.602735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0e4d5b58b22c2313323301873a629796ded3cfe4626a5a9f00bff950bf78e4c

Aliases

arxiv: 1811.02592 · arxiv_version: 1811.02592v2 · doi: 10.48550/arxiv.1811.02592 · pith_short_12: 4DSNLNMLELBD · pith_short_16: 4DSNLNMLELBDCMZD · pith_short_8: 4DSNLNML

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/4DSNLNMLELBDCMZDGAMHHJRJPF \
  | 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: e0e4d5b58b22c2313323301873a629796ded3cfe4626a5a9f00bff950bf78e4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "260f0ae7e1522ff2f6a7bcb98a9e736652dc512c6fb7d192c8a5f0e9b1e90119",
    "cross_cats_sorted": [
      "hep-th",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-11-06T19:05:20Z",
    "title_canon_sha256": "448b57f06d29b3cb859a732a992cf1aa93855f96a52910e81bb75a9a667066df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02592",
    "kind": "arxiv",
    "version": 2
  }
}