Pith Number

pith:VPKP6ZHR

pith:2019:VPKP6ZHRPVYBYPU7W6ZMLN7TMV

not attested not anchored not stored refs pending

Active Image Synthesis for Efficient Labeling

Ben Wang, Chuck Zhang, Jialei Chen, Kan Wang, Mani A. Vannan, Yujia Xie, Zhen Qian

arxiv:1902.01522 v4 · 2019-02-05 · 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{VPKP6ZHRPVYBYPU7W6ZMLN7TMV}

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	2026-07-05T02:40:25.012465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abd4ff64f17d701c3e9fb7b2c5b7f36565ed0a4bdc5490a7781e23b7e9c20a78

Aliases

arxiv: 1902.01522 · arxiv_version: 1902.01522v4 · doi: 10.48550/arxiv.1902.01522 · pith_short_12: VPKP6ZHRPVYB · pith_short_16: VPKP6ZHRPVYBYPU7 · pith_short_8: VPKP6ZHR

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/VPKP6ZHRPVYBYPU7W6ZMLN7TMV \
  | 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: abd4ff64f17d701c3e9fb7b2c5b7f36565ed0a4bdc5490a7781e23b7e9c20a78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e88cbd45cc039196635cf7bdb06bc3c92fec35d55f96a92afacf6d73e3ef4afc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-05T02:49:09Z",
    "title_canon_sha256": "1b3f9ee1fae90e7da118d101442df28b310ff45293bd7512699c1a9dc5a6f82d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01522",
    "kind": "arxiv",
    "version": 4
  }
}