Pith Number

pith:NUIKYQIB

pith:2020:NUIKYQIBH4IZFVLHW3HAVASJCW

not attested not anchored not stored refs pending

Geometric approach to fragile topology beyond symmetry indicators

Adrien Bouhon, Robert-Jan Slager, Tom\'a\v{s} Bzdu\v{s}ek

arxiv:2005.02044 v2 · 2020-05-05 · cond-mat.mes-hall · math-ph · 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{NUIKYQIBH4IZFVLHW3HAVASJCW}

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	2026-07-05T01:36:09.215261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d10ac41013f1192d567b6ce0a824915b26b6877f08df014c44d81d753dac8d9

Aliases

arxiv: 2005.02044 · arxiv_version: 2005.02044v2 · doi: 10.48550/arxiv.2005.02044 · pith_short_12: NUIKYQIBH4IZ · pith_short_16: NUIKYQIBH4IZFVLH · pith_short_8: NUIKYQIB

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/NUIKYQIBH4IZFVLHW3HAVASJCW \
  | 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: 6d10ac41013f1192d567b6ce0a824915b26b6877f08df014c44d81d753dac8d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23a4717b57baadc71b356505481c4b74c490898c56de30c2df070e153fe88e62",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2020-05-05T10:19:47Z",
    "title_canon_sha256": "7af2b66bfc59d5430c1e701ddd7ec9f24d002de57e172777bb0d0e2aadf9ff5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.02044",
    "kind": "arxiv",
    "version": 2
  }
}