Pith Number

pith:LR4VBJSI

pith:2018:LR4VBJSIAZBWSJ5WTFEVVXRTMJ

not attested not anchored not stored refs pending

Active Testing: An Efficient and Robust Framework for Estimating Accuracy

Charless Fowlkes, Deva Ramanan, Phuc Nguyen

arxiv:1807.00493 v1 · 2018-07-02 · 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{LR4VBJSIAZBWSJ5WTFEVVXRTMJ}

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	2026-05-18T00:11:52.451728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c7950a64806436927b699495ade33626fd343f95f2d36f8500ca26cc43d8df7

Aliases

arxiv: 1807.00493 · arxiv_version: 1807.00493v1 · doi: 10.48550/arxiv.1807.00493 · pith_short_12: LR4VBJSIAZBW · pith_short_16: LR4VBJSIAZBWSJ5W · pith_short_8: LR4VBJSI

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/LR4VBJSIAZBWSJ5WTFEVVXRTMJ \
  | 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: 5c7950a64806436927b699495ade33626fd343f95f2d36f8500ca26cc43d8df7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4a2dd83acba3ffebc3b0d5d6f5b2db8fed331032d6831434f152d00d711584a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-02T07:18:44Z",
    "title_canon_sha256": "fa54f6ba846a6a1a9611f845caa1156e4124ad48d008825a9bde172a6466f8f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00493",
    "kind": "arxiv",
    "version": 1
  }
}