Pith Number

pith:FGOOZQRW

pith:2019:FGOOZQRWR2WZJ2W4URNLYHFE4X

not attested not anchored not stored refs pending

Efficient Codebook and Factorization for Second Order Representation Learning

Aymeric Histace, David Picard, Edouard Klein, Pierre Jacob

arxiv:1906.01972 v1 · 2019-06-05 · 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{FGOOZQRWR2WZJ2W4URNLYHFE4X}

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	2026-05-17T23:44:05.548891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

299cecc2368ead94eadca45abc1ca4e5d267a5f1981ff56c1fcb9d3d5f207729

Aliases

arxiv: 1906.01972 · arxiv_version: 1906.01972v1 · doi: 10.48550/arxiv.1906.01972 · pith_short_12: FGOOZQRWR2WZ · pith_short_16: FGOOZQRWR2WZJ2W4 · pith_short_8: FGOOZQRW

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/FGOOZQRWR2WZJ2W4URNLYHFE4X \
  | 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: 299cecc2368ead94eadca45abc1ca4e5d267a5f1981ff56c1fcb9d3d5f207729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc38cc9b5da23e6b42735111b1e0671d35f64503f6dc205e6374fb6be90b7e8a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-05T12:27:55Z",
    "title_canon_sha256": "d7de0deb9c809fa46be6e1cffc019598da3c0d58b5a9ed85285c1776b0217208"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01972",
    "kind": "arxiv",
    "version": 1
  }
}