Pith Number

pith:J6P2LOK2

pith:2020:J6P2LOK2QQGENXXNUNFJXZ2NZA

not attested not anchored not stored refs pending

Evolving Metric Learning for Incremental and Decremental Features

Gan Sun, Jiahua Dong, Tao Zhang, Xiaowei Xu, Xu Tang, Yang Cong

arxiv:2006.15334 v2 · 2020-06-27 · cs.LG · 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{J6P2LOK2QQGENXXNUNFJXZ2NZA}

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	2026-07-05T02:53:52.041873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f9fa5b95a840c46deeda34a9be74dc83354a04c4ad1b06eb03829954cd6c6b4

Aliases

arxiv: 2006.15334 · arxiv_version: 2006.15334v2 · doi: 10.48550/arxiv.2006.15334 · pith_short_12: J6P2LOK2QQGE · pith_short_16: J6P2LOK2QQGENXXN · pith_short_8: J6P2LOK2

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/J6P2LOK2QQGENXXNUNFJXZ2NZA \
  | 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: 4f9fa5b95a840c46deeda34a9be74dc83354a04c4ad1b06eb03829954cd6c6b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a20026ee8046421d0dafb24cb3a1676f01e2ea65fa7fe8a81b7aecac062ee3ed",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-06-27T10:29:38Z",
    "title_canon_sha256": "c03c2912ebd0fedb27c3d006802b1be15ad5ad3e15525719508acb852d25c0b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.15334",
    "kind": "arxiv",
    "version": 2
  }
}