Pith Number

pith:TIRO63EV

pith:2015:TIRO63EVYNPSGMJXWEVA66C6MG

not attested not anchored not stored refs pending

Iterated Support Vector Machines for Distance Metric Learning

David Zhang, Deyu Meng, Faqiang Wang, Lei Zhang, Liang Lin, Wangmeng Zuo, Yuchi Huang

arxiv:1502.00363 v1 · 2015-02-02 · cs.LG · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TIRO63EVYNPSGMJXWEVA66C6MG}

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	2026-05-18T02:28:06.163115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a22ef6c95c35f233137b12a0f785e619d67c70cc56170fd53bd032d68c0ae2c

Aliases

arxiv: 1502.00363 · arxiv_version: 1502.00363v1 · doi: 10.48550/arxiv.1502.00363 · pith_short_12: TIRO63EVYNPS · pith_short_16: TIRO63EVYNPSGMJX · pith_short_8: TIRO63EV

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/TIRO63EVYNPSGMJXWEVA66C6MG \
  | 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: 9a22ef6c95c35f233137b12a0f785e619d67c70cc56170fd53bd032d68c0ae2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "217cee59734b3d6c9131e4f776799e9dbbe5aeb737fbe21e41d02a6d6333e4f6",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-02-02T05:30:44Z",
    "title_canon_sha256": "9a8f80b42d25af4d1de56b1480aeb711eca4ef10ae5b6b64457c71c7257e7f91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00363",
    "kind": "arxiv",
    "version": 1
  }
}