Pith Number

pith:2Q3HFB2O

pith:2018:2Q3HFB2O6FEU5XS6FWCIYEMO3H

not attested not anchored not stored refs pending

Improving CNN classifiers by estimating test-time priors

Jiri Matas, Milan Sulc

arxiv:1805.08235 v2 · 2018-05-21 · 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{2Q3HFB2O6FEU5XS6FWCIYEMO3H}

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	2026-05-17T23:49:05.678907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d43672874ef1494ede5e2d848c118ed9eb62ca63f883a7f0dd3810c54448667b

Aliases

arxiv: 1805.08235 · arxiv_version: 1805.08235v2 · doi: 10.48550/arxiv.1805.08235 · pith_short_12: 2Q3HFB2O6FEU · pith_short_16: 2Q3HFB2O6FEU5XS6 · pith_short_8: 2Q3HFB2O

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/2Q3HFB2O6FEU5XS6FWCIYEMO3H \
  | 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: d43672874ef1494ede5e2d848c118ed9eb62ca63f883a7f0dd3810c54448667b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3b0d38901d91111e3fa0dedf11b7c8eb9af86d02528cca09f073a71ed5c89fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-21T18:06:53Z",
    "title_canon_sha256": "4f15d862a203f8fe03ba0b977becdbb9c50d87ff7fda0d295e8d2b8a1f3a163a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08235",
    "kind": "arxiv",
    "version": 2
  }
}