Pith Number

pith:4PSFEY7C

pith:2017:4PSFEY7CFQWLEDSV3GTDXSRBJF

not attested not anchored not stored refs pending

Higher-Order Topological Insulators

Ashley M. Cook, B. Andrei Bernevig, Frank Schindler, Maia G. Vergniory, Stuart S. P. Parkin, Titus Neupert, Zhijun Wang

arxiv:1708.03636 v2 · 2017-08-11 · cond-mat.mes-hall · cond-mat.mtrl-sci · cond-mat.str-el

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

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	2026-05-18T00:14:22.419580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3e45263e22c2cb20e55d9a63bca214963434fc3814bcb30884998d7461f9715

Aliases

arxiv: 1708.03636 · arxiv_version: 1708.03636v2 · doi: 10.48550/arxiv.1708.03636 · pith_short_12: 4PSFEY7CFQWL · pith_short_16: 4PSFEY7CFQWLEDSV · pith_short_8: 4PSFEY7C

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/4PSFEY7CFQWLEDSV3GTDXSRBJF \
  | 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: e3e45263e22c2cb20e55d9a63bca214963434fc3814bcb30884998d7461f9715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cf1189031d3922784a8febc12e134d3c836478a3149158790755b445d981648",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2017-08-11T18:00:00Z",
    "title_canon_sha256": "570542920efdd4af9364029d7b65aa727d213fcb82e4cb110dd529d0bb1ce9c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.03636",
    "kind": "arxiv",
    "version": 2
  }
}