Pith Number

pith:CY37KBEK

pith:2013:CY37KBEK3P56MCYIHHUD2QF3ZP

not attested not anchored not stored refs pending

Guaranteed Classification via Regularized Similarity Learning

Yiming Ying, Zheng-Chu Guo

arxiv:1306.3108 v2 · 2013-06-13 · 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{CY37KBEK3P56MCYIHHUD2QF3ZP}

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	2026-05-18T03:14:40.673103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1637f5048adbfbe60b0839e83d40bbcbea59dc10bed24749ef3473904b35b83b

Aliases

arxiv: 1306.3108 · arxiv_version: 1306.3108v2 · doi: 10.48550/arxiv.1306.3108 · pith_short_12: CY37KBEK3P56 · pith_short_16: CY37KBEK3P56MCYI · pith_short_8: CY37KBEK

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/CY37KBEK3P56MCYIHHUD2QF3ZP \
  | 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: 1637f5048adbfbe60b0839e83d40bbcbea59dc10bed24749ef3473904b35b83b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68bb5414df7faff20798d5e2e6ad712147ef32b70a432e2c7fafe184ae6e35d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-06-13T13:47:51Z",
    "title_canon_sha256": "b12c79bc0a3f002ac129e54ee5ae7870efacb6f95d31df96570aeedfaac89ce8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3108",
    "kind": "arxiv",
    "version": 2
  }
}