Pith Number

pith:OFXOBJ6B

pith:2019:OFXOBJ6BDSDRPN4K2G6ASDDURE

not attested not anchored not stored refs pending

Deep Metric Learning with Density Adaptivity

Hongyang Chao, Tao Mei, Ting Yao, Yehao Li, Yingwei Pan

arxiv:1909.03909 v1 · 2019-09-09 · cs.CV · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OFXOBJ6BDSDRPN4K2G6ASDDURE}

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	2026-07-05T00:03:09.716748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

716ee0a7c11c8717b78ad1bc090c748915b501a6b501ee64134af077d54f6314

Aliases

arxiv: 1909.03909 · arxiv_version: 1909.03909v1 · doi: 10.48550/arxiv.1909.03909 · pith_short_12: OFXOBJ6BDSDR · pith_short_16: OFXOBJ6BDSDRPN4K · pith_short_8: OFXOBJ6B

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/OFXOBJ6BDSDRPN4K2G6ASDDURE \
  | 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: 716ee0a7c11c8717b78ad1bc090c748915b501a6b501ee64134af077d54f6314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1722ba5b7472c312742d4113d2c1f146b36ce68293755220d3280d6b16ffb171",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-09T15:04:26Z",
    "title_canon_sha256": "670de7faa1b1510ac12937a8948e73582323eaefa88840691519ef01687725b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.03909",
    "kind": "arxiv",
    "version": 1
  }
}