Pith Number

pith:SFD3342L

pith:2014:SFD3342L3IH25GZS24ZMS2N45B

not attested not anchored not stored refs pending

Sparsifying the Fisher Linear Discriminant by Rotation

Bin Dong, Jianqing Fan, Ning Hao

arxiv:1408.4475 v1 · 2014-08-16 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SFD3342L3IH25GZS24ZMS2N45B}

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	2026-05-18T02:44:55.163914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9147bdf34bda0fae9b32d732c969bce872f125c22b644226991d4dceb5d12057

Aliases

arxiv: 1408.4475 · arxiv_version: 1408.4475v1 · doi: 10.48550/arxiv.1408.4475 · pith_short_12: SFD3342L3IH2 · pith_short_16: SFD3342L3IH25GZS · pith_short_8: SFD3342L

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/SFD3342L3IH25GZS24ZMS2N45B \
  | 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: 9147bdf34bda0fae9b32d732c969bce872f125c22b644226991d4dceb5d12057

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f0c3a46577b94288f6421f514d31063a896c825e62fb0b2869a9f0c57bc7d88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-08-16T23:53:01Z",
    "title_canon_sha256": "e1d0b402a2e483509bb4cedefedf27b3dbcaac3885b3b55990c08ca0adc917a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4475",
    "kind": "arxiv",
    "version": 1
  }
}