Pith Number

pith:HMRXW3E6

pith:2019:HMRXW3E65RGGAVYRY7QJPLLM4P

not attested not anchored not stored refs pending

Deep Metric Learning Beyond Binary Supervision

Ivan Laptev, Minkyo Seo, Minsu Cho, Suha Kwak, Sungyeon Kim

arxiv:1904.09626 v1 · 2019-04-21 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HMRXW3E65RGGAVYRY7QJPLLM4P}

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	2026-05-17T23:48:03.797409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b237b6c9eec4c605711c7e097ad6ce3feabe8ebd1da6ab79718ecbf631e59c6

Aliases

arxiv: 1904.09626 · arxiv_version: 1904.09626v1 · doi: 10.48550/arxiv.1904.09626 · pith_short_12: HMRXW3E65RGG · pith_short_16: HMRXW3E65RGGAVYR · pith_short_8: HMRXW3E6

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/HMRXW3E65RGGAVYRY7QJPLLM4P \
  | 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: 3b237b6c9eec4c605711c7e097ad6ce3feabe8ebd1da6ab79718ecbf631e59c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48353b6fca7c6eb3fc7d4ba6104b01da0590c4b6d96371fc6a9cc9fbd75b4f50",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-21T17:02:56Z",
    "title_canon_sha256": "a649693fd72530319c6c83a62b5079e16e8e685286df7fa8d63d9feea0236553"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09626",
    "kind": "arxiv",
    "version": 1
  }
}