Pith Number

pith:XNHFRKLS

pith:2019:XNHFRKLSIBHQRS736T7R4WXCMO

not attested not anchored not stored refs pending

On gapped boundaries for SPT phases beyond group cohomology

Kantaro Ohmori, Ryohei Kobayashi, Yuji Tachikawa

arxiv:1905.05391 v1 · 2019-05-14 · cond-mat.str-el · hep-th

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XNHFRKLSIBHQRS736T7R4WXCMO}

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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.

Cited by

1 paper in Pith

Anomalies in family unification models from bordism classification

Receipt and verification

First computed	2026-07-05T09:22:35.288215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb4e58a972404f08cbfbf4ff1e5ae263bbb9d14ddc0a8dbf958f933fb5a276cc

Aliases

arxiv: 1905.05391 · arxiv_version: 1905.05391v1 · doi: 10.48550/arxiv.1905.05391 · pith_short_12: XNHFRKLSIBHQ · pith_short_16: XNHFRKLSIBHQRS73 · pith_short_8: XNHFRKLS

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/XNHFRKLSIBHQRS736T7R4WXCMO \
  | 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: bb4e58a972404f08cbfbf4ff1e5ae263bbb9d14ddc0a8dbf958f933fb5a276cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "058fa4c44c5bcf813a8ee6a0791223a722355850347d23c0039896cdbea8924f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-05-14T04:42:37Z",
    "title_canon_sha256": "5c1910427416b4a9504a8b79ad6bb5579d0ae4e670ad7a744a0ff67600cf75ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05391",
    "kind": "arxiv",
    "version": 1
  }
}