Pith Number

pith:VRCDZFJL

pith:2020:VRCDZFJLQNBPXFOWCRD2HCDZ6S

not attested not anchored not stored refs pending

Unsupervised part representation by Flow Capsules

Andrea Tagliasacchi, David J. Fleet, Geoffrey E. Hinton, Sara Sabour, Soroosh Yazdani

arxiv:2011.13920 v2 · 2020-11-27 · cs.CV · 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{VRCDZFJLQNBPXFOWCRD2HCDZ6S}

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	2026-07-05T02:16:38.083852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac443c952b8342fb95d61447a38879f48cae6987c4ec8e475b5715e2c57eac8c

Aliases

arxiv: 2011.13920 · arxiv_version: 2011.13920v2 · doi: 10.48550/arxiv.2011.13920 · pith_short_12: VRCDZFJLQNBP · pith_short_16: VRCDZFJLQNBPXFOW · pith_short_8: VRCDZFJL

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/VRCDZFJLQNBPXFOWCRD2HCDZ6S \
  | 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: ac443c952b8342fb95d61447a38879f48cae6987c4ec8e475b5715e2c57eac8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b95f2aaa6b31578a7e6afcc4a51c53242177fc3f18dfbc33be5557f85ce5d21f",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-11-27T18:59:42Z",
    "title_canon_sha256": "9a48e7e51f9e40e31cc0003116f3bd6c8d057faac2df38720b49b533ef4275dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.13920",
    "kind": "arxiv",
    "version": 2
  }
}