Pith Number

pith:72MDHLNV

pith:2017:72MDHLNVCGURWZLV3LUWGKHAWX

not attested not anchored not stored refs pending

DarkRank: Accelerating Deep Metric Learning via Cross Sample Similarities Transfer

Naiyan Wang, Yuntao Chen, Zhaoxiang Zhang

arxiv:1707.01220 v2 · 2017-07-05 · cs.CV · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{72MDHLNVCGURWZLV3LUWGKHAWX}

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	2026-05-18T00:27:46.311582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe9833adb511a91b6575dae96328e0b5df0d221b73ebe6f86fdb51cdc4d0bfbd

Aliases

arxiv: 1707.01220 · arxiv_version: 1707.01220v2 · doi: 10.48550/arxiv.1707.01220 · pith_short_12: 72MDHLNVCGUR · pith_short_16: 72MDHLNVCGURWZLV · pith_short_8: 72MDHLNV

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/72MDHLNVCGURWZLV3LUWGKHAWX \
  | 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: fe9833adb511a91b6575dae96328e0b5df0d221b73ebe6f86fdb51cdc4d0bfbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c759d7dda7c60780d3e162b8d543abd3e37cbc3e1d3db8a0f3c42b9d34564ffe",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-07-05T05:47:11Z",
    "title_canon_sha256": "ab32e39a9268a068739ae89f3eae4b8704c59e5c91670ecabfb9611300e8e5c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.01220",
    "kind": "arxiv",
    "version": 2
  }
}