Pith Number

pith:WO2WBOAN

pith:2019:WO2WBOANAB3BLLN6CJFVEJ45E7

not attested not anchored not stored refs pending

Unconstrained Foreground Object Search

Brian Price, Danna Gurari, Scott Cohen, Yinan Zhao

arxiv:1908.03675 v1 · 2019-08-10 · 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{WO2WBOANAB3BLLN6CJFVEJ45E7}

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	2026-07-04T23:53:17.099885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3b560b80d007615adbe124b52279d27e405990fcaad16b7a382c9fa4788f662

Aliases

arxiv: 1908.03675 · arxiv_version: 1908.03675v1 · doi: 10.48550/arxiv.1908.03675 · pith_short_12: WO2WBOANAB3B · pith_short_16: WO2WBOANAB3BLLN6 · pith_short_8: WO2WBOAN

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/WO2WBOANAB3BLLN6CJFVEJ45E7 \
  | 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: b3b560b80d007615adbe124b52279d27e405990fcaad16b7a382c9fa4788f662

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f93699817a328742fdcf1de7e57bf153bb16d7e0683c790f9e3f7a2f68c88f04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-08-10T02:57:04Z",
    "title_canon_sha256": "3396eadb5a638925dd00d1fc53fcc38faec3d1a00b4605edb121fe41c9a3c229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03675",
    "kind": "arxiv",
    "version": 1
  }
}