Pith Number

pith:FZJP2Z6C

pith:2019:FZJP2Z6CUGLC7OPWYZROKWBT6T

not attested not anchored not stored refs pending

Bottom-up Object Detection by Grouping Extreme and Center Points

Jiacheng Zhuo, Philipp Kr\"ahenb\"uhl, Xingyi Zhou

arxiv:1901.08043 v3 · 2019-01-23 · 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{FZJP2Z6CUGLC7OPWYZROKWBT6T}

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	2026-05-17T23:47:48.397470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e52fd67c2a1962fb9f6c662e55833f4e0a483be135bd4e722a8b61aca5bb97b

Aliases

arxiv: 1901.08043 · arxiv_version: 1901.08043v3 · doi: 10.48550/arxiv.1901.08043 · pith_short_12: FZJP2Z6CUGLC · pith_short_16: FZJP2Z6CUGLC7OPW · pith_short_8: FZJP2Z6C

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/FZJP2Z6CUGLC7OPWYZROKWBT6T \
  | 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: 2e52fd67c2a1962fb9f6c662e55833f4e0a483be135bd4e722a8b61aca5bb97b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "247f6945c0c92c18b09bed4e244bab9e960ae98463446959b9f0762456169a45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-23T18:50:09Z",
    "title_canon_sha256": "2873ad0aa403a946eaff83418ec17ad3b1646c5c0df306f57504ccbc39c09240"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08043",
    "kind": "arxiv",
    "version": 3
  }
}