Pith Number

pith:JY2TETJR

pith:2019:JY2TETJRMREEIR3DFCE2WPTIT5

not attested not anchored not stored refs pending

SoftTriple Loss: Deep Metric Learning Without Triplet Sampling

Baigui Sun, Hao Li, Juhua Hu, Lei Shang, Qi Qian, Rong Jin

arxiv:1909.05235 v2 · 2019-09-11 · 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{JY2TETJRMREEIR3DFCE2WPTIT5}

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	2026-07-05T00:55:17.969120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e35324d3164484447632889ab3e689f456f03f4e935b42904cf7479a8d2fb86

Aliases

arxiv: 1909.05235 · arxiv_version: 1909.05235v2 · doi: 10.48550/arxiv.1909.05235 · pith_short_12: JY2TETJRMREE · pith_short_16: JY2TETJRMREEIR3D · pith_short_8: JY2TETJR

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/JY2TETJRMREEIR3DFCE2WPTIT5 \
  | 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: 4e35324d3164484447632889ab3e689f456f03f4e935b42904cf7479a8d2fb86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1e8aef1c57db7f76ad11cd3bc585e426df2e1d5e72c4b6a1f1cc73787019f32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-11T17:47:25Z",
    "title_canon_sha256": "d7d243f02a4c7f74c624cd107c02137f542ba2d24a8b8c5e0e0a882b5e7de2d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.05235",
    "kind": "arxiv",
    "version": 2
  }
}