Pith Number

pith:OHBR5ATM

pith:2016:OHBR5ATMMWU2LDMIRPIZJW2E5C

not attested not anchored not stored refs pending

Generalized Connes-Chern characters in KK-theory with an application to weak invariants of topological insulators

Emil Prodan, Hermann Schulz-Baldes

arxiv:1606.08897 v2 · 2016-06-28 · math.OA · cond-mat.dis-nn · math-ph · math.KT · 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{OHBR5ATMMWU2LDMIRPIZJW2E5C}

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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.

Receipt and verification

First computed	2026-05-18T00:58:55.084929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71c31e826c65a9a58d888bd194db44e8b80ffb018d0a0a4cc1d69e7ec3762e7e

Aliases

arxiv: 1606.08897 · arxiv_version: 1606.08897v2 · doi: 10.48550/arxiv.1606.08897 · pith_short_12: OHBR5ATMMWU2 · pith_short_16: OHBR5ATMMWU2LDMI · pith_short_8: OHBR5ATM

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/OHBR5ATMMWU2LDMIRPIZJW2E5C \
  | 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: 71c31e826c65a9a58d888bd194db44e8b80ffb018d0a0a4cc1d69e7ec3762e7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca7ac27d79d80ec13ad4ca86aff37bec72dccd5df65479d4a8ad4f74d9e976e2",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "math-ph",
      "math.KT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2016-06-28T21:46:45Z",
    "title_canon_sha256": "883f141037b422f508b911f6e60e917da80789b41222ee7e73d06f5c1662a8d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.08897",
    "kind": "arxiv",
    "version": 2
  }
}