Pith Number

pith:6VKW6XWW

pith:2017:6VKW6XWWG4GY2ACX2PILU4NIKW

not attested not anchored not stored refs pending

Bott periodicity for the topological classification of gapped states of matter with reflection symmetry

Luka Trifunovic, Piet Brouwer

arxiv:1707.06306 v1 · 2017-07-19 · cond-mat.mes-hall · cond-mat.supr-con · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6VKW6XWWG4GY2ACX2PILU4NIKW}

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	2026-05-18T00:31:30.936623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5556f5ed6370d8d0057d3d0ba71a855b8192ddd11101358ec95453b1bbd2a7e

Aliases

arxiv: 1707.06306 · arxiv_version: 1707.06306v1 · doi: 10.48550/arxiv.1707.06306 · pith_short_12: 6VKW6XWWG4GY · pith_short_16: 6VKW6XWWG4GY2ACX · pith_short_8: 6VKW6XWW

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/6VKW6XWWG4GY2ACX2PILU4NIKW \
  | 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: f5556f5ed6370d8d0057d3d0ba71a855b8192ddd11101358ec95453b1bbd2a7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "191a62e0a596d21a5f42c136a1f5fa7c018458021e0e72805411f323e7d2da1c",
    "cross_cats_sorted": [
      "cond-mat.supr-con",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2017-07-19T21:42:10Z",
    "title_canon_sha256": "88a37b15b58074e23e9a336a668c05157e2ef8c98ce748554bd63584f77da0f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06306",
    "kind": "arxiv",
    "version": 1
  }
}