Pith Number

pith:4HW5EQEL

pith:2021:4HW5EQELAPM6RMRS2OPTTYI3EA

not attested not anchored not stored refs pending

Pretrained equivariant features improve unsupervised landmark discovery

Alexandre H. Thiery, Atin Ghosh, Rahul Rahaman

arxiv:2104.02925 v1 · 2021-04-07 · cs.CV · cs.AI · 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{4HW5EQELAPM6RMRS2OPTTYI3EA}

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	2026-07-05T02:30:01.024408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1edd2408b03d9e8b232d39f39e11b2013eb329442197d7fc287e8619aca32a7

Aliases

arxiv: 2104.02925 · arxiv_version: 2104.02925v1 · doi: 10.48550/arxiv.2104.02925 · pith_short_12: 4HW5EQELAPM6 · pith_short_16: 4HW5EQELAPM6RMRS · pith_short_8: 4HW5EQEL

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/4HW5EQELAPM6RMRS2OPTTYI3EA \
  | 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: e1edd2408b03d9e8b232d39f39e11b2013eb329442197d7fc287e8619aca32a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "949b6dc3619c00c6b14944e0cfd228b3e30b5b8f7bc506905a00746dc7c520fd",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-07T05:42:11Z",
    "title_canon_sha256": "57880911c031e7471a80497487dbe3b7f7885651c36151ea45744f79adedd2b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02925",
    "kind": "arxiv",
    "version": 1
  }
}