Pith Number

pith:W3FISFOX

pith:2013:W3FISFOXHC7IYL3QHT72OEUU4D

not attested not anchored not stored refs pending

On Translation Invariant Kernels and Screw Functions

Harish Karnick, Purushottam Kar

arxiv:1302.4343 v1 · 2013-02-18 · math.FA · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W3FISFOXHC7IYL3QHT72OEUU4D}

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	2026-05-18T03:33:23.346677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6ca8915d738be8c2f703cffa71294e0c5903237c72150adbaebd15db431a190

Aliases

arxiv: 1302.4343 · arxiv_version: 1302.4343v1 · doi: 10.48550/arxiv.1302.4343 · pith_short_12: W3FISFOXHC7I · pith_short_16: W3FISFOXHC7IYL3Q · pith_short_8: W3FISFOX

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/W3FISFOXHC7IYL3QHT72OEUU4D \
  | 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: b6ca8915d738be8c2f703cffa71294e0c5903237c72150adbaebd15db431a190

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc1babf7ff584e89c69e90d45d1948b51781a34ef8cdfbee40bde0dbcb4ccd3d",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-02-18T16:42:27Z",
    "title_canon_sha256": "64d7cc2f8cefdeeb9b5a007508bf4d226d936bdb6bb2af0088e34e1973cd4143"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4343",
    "kind": "arxiv",
    "version": 1
  }
}