Pith Number

pith:4DM62MGM

pith:2011:4DM62MGMP24X3G6ILKVQCCXBNU

not attested not anchored not stored refs pending

Positive Semidefinite Metric Learning Using Boosting-like Algorithms

Anton van den Hengel, Chunhua Shen, Junae Kim, Lei Wang

arxiv:1104.4704 v2 · 2011-04-25 · 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{4DM62MGMP24X3G6ILKVQCCXBNU}

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	2026-05-18T02:22:01.039842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0d9ed30cc7eb97d9bc85aab010ae16d27e2cd3f8c3575acb678251b2e3856c7

Aliases

arxiv: 1104.4704 · arxiv_version: 1104.4704v2 · doi: 10.48550/arxiv.1104.4704 · pith_short_12: 4DM62MGMP24X · pith_short_16: 4DM62MGMP24X3G6I · pith_short_8: 4DM62MGM

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/4DM62MGMP24X3G6ILKVQCCXBNU \
  | 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: e0d9ed30cc7eb97d9bc85aab010ae16d27e2cd3f8c3575acb678251b2e3856c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "327cb24660a91676140281029faf4650c460a7df14aa2c3cc4108e3ef10551be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-04-25T10:38:03Z",
    "title_canon_sha256": "319bad6ed5e60a517cec9a8c2b3bf81dbfb1eb959c9f0138381d02ecf225510e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4704",
    "kind": "arxiv",
    "version": 2
  }
}