Pith Number

pith:43ZJ54SR

pith:2013:43ZJ54SRHJQ7AVOSLKJXKMZH7Z

not attested not anchored not stored refs pending

Relative Comparison Kernel Learning with Auxiliary Kernels

Eric Heim (University of Pittsburgh), Hamed Valizadegan (NASA Ames Research Center), Milos Hauskrecht (University of Pittsburgh)

arxiv:1309.0489 v3 · 2013-09-02 · 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{43ZJ54SRHJQ7AVOSLKJXKMZH7Z}

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	2026-05-18T02:54:07.133986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6f29ef2513a61f055d25a93753327fe761b91a8f6345a108c2efc344dfb57e8

Aliases

arxiv: 1309.0489 · arxiv_version: 1309.0489v3 · doi: 10.48550/arxiv.1309.0489 · pith_short_12: 43ZJ54SRHJQ7 · pith_short_16: 43ZJ54SRHJQ7AVOS · pith_short_8: 43ZJ54SR

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/43ZJ54SRHJQ7AVOSLKJXKMZH7Z \
  | 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: e6f29ef2513a61f055d25a93753327fe761b91a8f6345a108c2efc344dfb57e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e607f63ccbb64942a7595c76f416662bc44f6ab6a08c6672c8cc346b27b4f89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-09-02T19:29:34Z",
    "title_canon_sha256": "7d446f3baed2c77abef25b5742c8c3afbfee11c889945f77697f553c9a1ec4c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0489",
    "kind": "arxiv",
    "version": 3
  }
}