Pith Number

pith:PZ6CK66T

pith:2011:PZ6CK66TCO5NKR446O5CCGZIZN

not attested not anchored not stored refs pending

epsilon-Samples of Kernels

Jeff M. Phillips

arxiv:1112.4105 v3 · 2011-12-18 · cs.CG · 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{PZ6CK66TCO5NKR446O5CCGZIZN}

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	2026-05-18T03:58:38.080889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e7c257bd313bad5479cf3ba211b28cb7b95bdf26dab3f0674bbfd99cc4c804b

Aliases

arxiv: 1112.4105 · arxiv_version: 1112.4105v3 · doi: 10.48550/arxiv.1112.4105 · pith_short_12: PZ6CK66TCO5N · pith_short_16: PZ6CK66TCO5NKR44 · pith_short_8: PZ6CK66T

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/PZ6CK66TCO5NKR446O5CCGZIZN \
  | 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: 7e7c257bd313bad5479cf3ba211b28cb7b95bdf26dab3f0674bbfd99cc4c804b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bff25083f2c685c82a2108473e31b34a7165ead20cb85a1067410a6a0038f38e",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2011-12-18T01:19:25Z",
    "title_canon_sha256": "ac9c33f0dc9d32a6e3aff9ee0150c96fa543fe269c06cf314d19d6c25554203a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4105",
    "kind": "arxiv",
    "version": 3
  }
}