Pith Number

pith:RTTLDPOI

pith:2019:RTTLDPOIGQ3RWVVJ2HPPLDUGBI

not attested not anchored not stored refs pending

Learning to Count Objects with Few Exemplar Annotations

Jianfeng Wang, Lei Zhang, Rong Xiao, Yandong Guo

arxiv:1905.07898 v1 · 2019-05-20 · 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{RTTLDPOIGQ3RWVVJ2HPPLDUGBI}

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	2026-05-17T23:45:48.190383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ce6b1bdc834371b56a9d1def58e860a1a898b809c21793e63f8cb0b3ed0308d

Aliases

arxiv: 1905.07898 · arxiv_version: 1905.07898v1 · doi: 10.48550/arxiv.1905.07898 · pith_short_12: RTTLDPOIGQ3R · pith_short_16: RTTLDPOIGQ3RWVVJ · pith_short_8: RTTLDPOI

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/RTTLDPOIGQ3RWVVJ2HPPLDUGBI \
  | 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: 8ce6b1bdc834371b56a9d1def58e860a1a898b809c21793e63f8cb0b3ed0308d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "052dca44608e9baea9017aa4c98e6232e58a6013e510eb4ecd2af513f69c9b34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-20T06:28:44Z",
    "title_canon_sha256": "7aa43203c9969ff99ff770a1dd1778d4375427e58e972c0aeb29a3fd2cdbe540"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07898",
    "kind": "arxiv",
    "version": 1
  }
}