Pith Number

pith:BBHGEH62

pith:2019:BBHGEH62M3ZOUL2YDIUOT2G76M

not attested not anchored not stored refs pending

Local Aggregation for Unsupervised Learning of Visual Embeddings

Alex Lin Zhai, Chengxu Zhuang, Daniel Yamins

arxiv:1903.12355 v2 · 2019-03-29 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BBHGEH62M3ZOUL2YDIUOT2G76M}

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	2026-05-17T23:48:54.740348Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

084e621fda66f2ea2f581a28e9e8dff31371550ce138064eddd04bf27a5a6f75

Aliases

arxiv: 1903.12355 · arxiv_version: 1903.12355v2 · doi: 10.48550/arxiv.1903.12355 · pith_short_12: BBHGEH62M3ZO · pith_short_16: BBHGEH62M3ZOUL2Y · pith_short_8: BBHGEH62

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/BBHGEH62M3ZOUL2YDIUOT2G76M \
  | 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: 084e621fda66f2ea2f581a28e9e8dff31371550ce138064eddd04bf27a5a6f75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e7d64f98cd8a0708bc6eeb6270bdc9de5644b59cf4bcedf9d21da6ec3cd6b5e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-29T05:05:41Z",
    "title_canon_sha256": "b8aeebcdf3879413e1df40e22021d2faeb5d71521e65f6f79541c00428bcb6ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12355",
    "kind": "arxiv",
    "version": 2
  }
}