Pith Number

pith:PCKBLTLI

pith:2020:PCKBLTLILRNW5LTYBISBJJXU2L

not attested not anchored not stored refs pending

Adaptive additive classification-based loss for deep metric learning

Istvan Fehervari, Ives Macedo

arxiv:2006.14693 v1 · 2020-06-25 · 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{PCKBLTLILRNW5LTYBISBJJXU2L}

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	2026-07-05T01:13:35.891730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

789415cd685c5b6eae780a2414a6f4d2c56ac422656fd6f7185c97d9a5a0a993

Aliases

arxiv: 2006.14693 · arxiv_version: 2006.14693v1 · doi: 10.48550/arxiv.2006.14693 · pith_short_12: PCKBLTLILRNW · pith_short_16: PCKBLTLILRNW5LTY · pith_short_8: PCKBLTLI

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/PCKBLTLILRNW5LTYBISBJJXU2L \
  | 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: 789415cd685c5b6eae780a2414a6f4d2c56ac422656fd6f7185c97d9a5a0a993

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f18f56916181e1b53ac068041f4750bb94980fdc3359567176fd598e1d555477",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-06-25T20:45:22Z",
    "title_canon_sha256": "152391ea172d6bba4f71f29714249147b4d0803435b2d7ab91b1bc21ddb6a311"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.14693",
    "kind": "arxiv",
    "version": 1
  }
}