Pith Number

pith:FLSZS23Y

pith:2021:FLSZS23YZJP3HOOBXHQ57ZNKDR

not attested not anchored not stored refs pending

Learning ABCs: Approximate Bijective Correspondence for isolating factors of variation with weak supervision

Ameesh Makadia, Kieran A. Murphy, Srikumar Ramalingam, Varun Jampani

arxiv:2103.03240 v4 · 2021-03-04 · cs.LG · 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{FLSZS23YZJP3HOOBXHQ57ZNKDR}

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	2026-07-05T04:09:55.972038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ae5996b78ca5fb3b9c1b9e1dfe5aa1c5534566997bdd18770ba5e6ffffc22f6

Aliases

arxiv: 2103.03240 · arxiv_version: 2103.03240v4 · doi: 10.48550/arxiv.2103.03240 · pith_short_12: FLSZS23YZJP3 · pith_short_16: FLSZS23YZJP3HOOB · pith_short_8: FLSZS23Y

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/FLSZS23YZJP3HOOBXHQ57ZNKDR \
  | 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: 2ae5996b78ca5fb3b9c1b9e1dfe5aa1c5534566997bdd18770ba5e6ffffc22f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4ca1ad0111406f171499355f027a1946798662e400cf26e8305af9137f397ea",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-03-04T18:58:45Z",
    "title_canon_sha256": "77ebc19de134c329146c68e505055ab1253aa90ea62126e6b3e21445c48c8a51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.03240",
    "kind": "arxiv",
    "version": 4
  }
}