Pith Number

pith:3KWJCUCC

pith:2020:3KWJCUCCUQMANCK36JMVAJKQVM

not attested not anchored not stored refs pending

Fine-grained Classification via Categorical Memory Networks

Joshua Marsh, Liang Zheng, Stephen Gould, Weijian Deng

arxiv:2012.06793 v1 · 2020-12-12 · 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{3KWJCUCCUQMANCK36JMVAJKQVM}

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	2026-07-05T01:58:59.614761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

daac915042a41806895bf259502550ab14a8e852575b54a1620dcf372bd3911a

Aliases

arxiv: 2012.06793 · arxiv_version: 2012.06793v1 · doi: 10.48550/arxiv.2012.06793 · pith_short_12: 3KWJCUCCUQMA · pith_short_16: 3KWJCUCCUQMANCK3 · pith_short_8: 3KWJCUCC

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/3KWJCUCCUQMANCK36JMVAJKQVM \
  | 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: daac915042a41806895bf259502550ab14a8e852575b54a1620dcf372bd3911a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1cbc4d9e65e5a254253d278c96401c5c2f615f57db31c0ef63469793c48f65d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-12-12T11:50:13Z",
    "title_canon_sha256": "d0fc72b4c5aa207a830a048216c1d31ce3996f20f2c0616f2bb0ffb234bf7948"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.06793",
    "kind": "arxiv",
    "version": 1
  }
}