Pith Number

pith:YV7H4OX4

pith:2018:YV7H4OX4WUSII4VVKUOD6IKAGI

not attested not anchored not stored refs pending

Teaching Categories to Human Learners with Visual Explanations

Oisin Mac Aodha, Pietro Perona, Shihan Su, Yisong Yue, Yuxin Chen

arxiv:1802.06924 v1 · 2018-02-20 · cs.CV · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YV7H4OX4WUSII4VVKUOD6IKAGI}

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	2026-05-18T00:22:53.985166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c57e7e3afcb5248472b5551c3f21403220d12c6e5d0d0390e42134426d126928

Aliases

arxiv: 1802.06924 · arxiv_version: 1802.06924v1 · doi: 10.48550/arxiv.1802.06924 · pith_short_12: YV7H4OX4WUSI · pith_short_16: YV7H4OX4WUSII4VV · pith_short_8: YV7H4OX4

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/YV7H4OX4WUSII4VVKUOD6IKAGI \
  | 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: c57e7e3afcb5248472b5551c3f21403220d12c6e5d0d0390e42134426d126928

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e96c1df63f5d9c32ff731690d32457d14ac0c294467239dc912257c98eb373d8",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-02-20T00:49:38Z",
    "title_canon_sha256": "6a66da58ae6e06e220daaf377d29d2c9a5afaea0698b45effb8dec37b813dd6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06924",
    "kind": "arxiv",
    "version": 1
  }
}