Pith Number

pith:LNDYLPTC

pith:2019:LNDYLPTC5QMM4DAM7SRPE7SGFC

not attested not anchored not stored refs pending

Learning Metrics from Teachers: Compact Networks for Image Embedding

Arnau Ramisa, Joost Van De Weijer, Lu Yu, Vacit Oguz Yazici, Xialei Liu, Yongmei Cheng

arxiv:1904.03624 v1 · 2019-04-07 · 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{LNDYLPTC5QMM4DAM7SRPE7SGFC}

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	2026-05-17T23:49:12.730258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b4785be62ec18ce0c0cfca2f27e4628ab8974b1dd4f87c00969fa41f76533c1

Aliases

arxiv: 1904.03624 · arxiv_version: 1904.03624v1 · doi: 10.48550/arxiv.1904.03624 · pith_short_12: LNDYLPTC5QMM · pith_short_16: LNDYLPTC5QMM4DAM · pith_short_8: LNDYLPTC

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/LNDYLPTC5QMM4DAM7SRPE7SGFC \
  | 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: 5b4785be62ec18ce0c0cfca2f27e4628ab8974b1dd4f87c00969fa41f76533c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b5c8388bbd3813b65a605dab37a1c3b1c4b2d3c40fcd3edf6057a78ccc2238d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-07T11:12:07Z",
    "title_canon_sha256": "54bb7e654bf1f1bebb99446e21b4fa0449c9e02c45cf51c058c9518321771ca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03624",
    "kind": "arxiv",
    "version": 1
  }
}