Pith Number

pith:AN2ZJ4WU

pith:2013:AN2ZJ4WUWD65742LOFH67IYHWD

not attested not anchored not stored refs pending

Sign Stable Projections, Sign Cauchy Projections and Chi-Square Kernels

Gennady Samorodnitsky, John Hopcroft, Ping Li

arxiv:1308.1009 v1 · 2013-08-05 · cs.LG · cs.DS · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AN2ZJ4WUWD65742LOFH67IYHWD}

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	2026-05-18T03:16:40.944644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

037594f2d4b0fddff34b714fefa307b0e73428d5d8e0a3bef647df565221e019

Aliases

arxiv: 1308.1009 · arxiv_version: 1308.1009v1 · doi: 10.48550/arxiv.1308.1009 · pith_short_12: AN2ZJ4WUWD65 · pith_short_16: AN2ZJ4WUWD65742L · pith_short_8: AN2ZJ4WU

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/AN2ZJ4WUWD65742LOFH67IYHWD \
  | 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: 037594f2d4b0fddff34b714fefa307b0e73428d5d8e0a3bef647df565221e019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e962cd4019259f0f90f7dbe7fd037159ed89ef7ea079b54e4a02e1b6c225009",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-08-05T15:25:51Z",
    "title_canon_sha256": "0860b0a8c95a8a1860cc3b912a2fe334f5c4b103c31863de9280ef68e8445589"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1009",
    "kind": "arxiv",
    "version": 1
  }
}