Pith Number

pith:SQLLFETF

pith:2017:SQLLFETF4SPSZMZUFCN2VLZPZ4

not attested not anchored not stored refs pending

Non-Commutative Chern Numbers for Generic Aperiodic Discrete Systems

Chris Bourne, Emil Prodan

arxiv:1712.04136 v3 · 2017-12-12 · math-ph · cond-mat.dis-nn · 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{SQLLFETF4SPSZMZUFCN2VLZPZ4}

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	2026-05-18T00:17:11.018073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9416b29265e49f2cb334289baaaf2fcf27a3db8aef055ae96034f187f1afeb30

Aliases

arxiv: 1712.04136 · arxiv_version: 1712.04136v3 · doi: 10.48550/arxiv.1712.04136 · pith_short_12: SQLLFETF4SPS · pith_short_16: SQLLFETF4SPSZMZU · pith_short_8: SQLLFETF

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/SQLLFETF4SPSZMZUFCN2VLZPZ4 \
  | 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: 9416b29265e49f2cb334289baaaf2fcf27a3db8aef055ae96034f187f1afeb30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c52c9ed3e6c1500d935ad55042be5f504c2e0c792cb96f5e69bdcb821fe6eb80",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2017-12-12T05:42:46Z",
    "title_canon_sha256": "af9bbc21eca43b640109ee33c3797784d153b064602e5aea7fd703af4a66ef90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04136",
    "kind": "arxiv",
    "version": 3
  }
}