Pith Number

pith:QV4KIHGT

pith:2019:QV4KIHGTFOKOSGV6UQOKPXMCBB

not attested not anchored not stored refs pending

Synthetic Examples Improve Generalization for Rare Classes

Ashish Kapoor, Dan Morris, Jim Piavis, Markus Meister, Neel Joshi, Pietro Perona, Sara Beery, Yang Liu

arxiv:1904.05916 v2 · 2019-04-11 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QV4KIHGTFOKOSGV6UQOKPXMCBB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:46:17.778369Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8578a41cd32b94e91abea41ca7dd8208541f2ac74e20adec8c650f31f9ca47af

Aliases

arxiv: 1904.05916 · arxiv_version: 1904.05916v2 · doi: 10.48550/arxiv.1904.05916 · pith_short_12: QV4KIHGTFOKO · pith_short_16: QV4KIHGTFOKOSGV6 · pith_short_8: QV4KIHGT

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/QV4KIHGTFOKOSGV6UQOKPXMCBB \
  | 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: 8578a41cd32b94e91abea41ca7dd8208541f2ac74e20adec8c650f31f9ca47af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2435c421dc9ab82eb2520966e8bb74d1b6aa0edc948e20f2273c883de1923efc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-11T18:28:43Z",
    "title_canon_sha256": "075793fc1ec8585b6ad09d5a903340fecc8db1bd3d98a396a86f69d55ef810be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05916",
    "kind": "arxiv",
    "version": 2
  }
}