Pith Number

pith:FELGH35I

pith:2018:FELGH35IYOAAXZXRGNZXSKXG37

not attested not anchored not stored refs pending

Classifying Data with Local Hamiltonians

Johannes Bausch

arxiv:1807.00804 v1 · 2018-07-02 · quant-ph · cond-mat.dis-nn · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FELGH35IYOAAXZXRGNZXSKXG37}

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	2026-05-18T00:06:24.634972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

291663efa8c3800be6f13373792ae6dfdcc4365b3153f11852ff39289680827a

Aliases

arxiv: 1807.00804 · arxiv_version: 1807.00804v1 · doi: 10.48550/arxiv.1807.00804 · pith_short_12: FELGH35IYOAA · pith_short_16: FELGH35IYOAAXZXR · pith_short_8: FELGH35I

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/FELGH35IYOAAXZXRGNZXSKXG37 \
  | 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: 291663efa8c3800be6f13373792ae6dfdcc4365b3153f11852ff39289680827a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5edcedb0bdf35269c113127244c4d9d2daedd5001c79c226aa5c5a32aa117fd1",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cs.DS",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-07-02T17:58:32Z",
    "title_canon_sha256": "cdb206294798866374ce5d8a2f3ee1caa39e64ef43e03bf735c0bdc654e34acf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00804",
    "kind": "arxiv",
    "version": 1
  }
}