Pith Number

pith:AAJBHKTY

pith:2019:AAJBHKTYPSEVSPITUA47TCOOBI

not attested not anchored not stored refs pending

A Distributed Approach towards Discriminative Distance Metric Learning

Dacheng Tao, Jun Li, Xiaoguang Rui, Xun Lin, Yong Rui

arxiv:1905.05177 v1 · 2019-05-11 · cs.LG · cs.DC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AAJBHKTYPSEVSPITUA47TCOOBI}

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	2026-05-17T23:46:17.242387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

001213aa787c89593d13a039f989ce0a3c949f509c4c1c2aa5b913d84530fb4e

Aliases

arxiv: 1905.05177 · arxiv_version: 1905.05177v1 · doi: 10.48550/arxiv.1905.05177 · pith_short_12: AAJBHKTYPSEV · pith_short_16: AAJBHKTYPSEVSPIT · pith_short_8: AAJBHKTY

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/AAJBHKTYPSEVSPITUA47TCOOBI \
  | 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: 001213aa787c89593d13a039f989ce0a3c949f509c4c1c2aa5b913d84530fb4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc880d65a08cee190653d146ea1c8c06b2fece0a55a17d42f8878cb1ac105ab1",
    "cross_cats_sorted": [
      "cs.DC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-11T11:56:33Z",
    "title_canon_sha256": "d1365636c5262eae933d5e354d4fe3ef94d93917013666dda63f944e229cabb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05177",
    "kind": "arxiv",
    "version": 1
  }
}