Pith Number

pith:QLOVIFOB

pith:2022:QLOVIFOBAKK53CC75YDTWSWQAD

not attested not anchored not stored refs pending

Adversarial Learning of Hard Positives for Place Recognition

Kai Zhang, Wensen Feng, Wenxuan Fang, Yoli Shavit

arxiv:2205.03871 v1 · 2022-05-08 · 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{QLOVIFOBAKK53CC75YDTWSWQAD}

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	2026-07-05T04:21:19.346540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82dd5415c10295dd885fee073b4ad000fd41b1efa0a019d753e7c01d2235e301

Aliases

arxiv: 2205.03871 · arxiv_version: 2205.03871v1 · doi: 10.48550/arxiv.2205.03871 · pith_short_12: QLOVIFOBAKK5 · pith_short_16: QLOVIFOBAKK53CC7 · pith_short_8: QLOVIFOB

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/QLOVIFOBAKK53CC75YDTWSWQAD \
  | 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: 82dd5415c10295dd885fee073b4ad000fd41b1efa0a019d753e7c01d2235e301

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87554c1c3fe0caf856b8dedf20e3b232f546c422f6f6b1e105bf285e004fb65f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-05-08T13:54:03Z",
    "title_canon_sha256": "f8e8da2287fcb8ef04951631a2e40fa0e593ead558ecddd1e9e9d0acbfe777ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.03871",
    "kind": "arxiv",
    "version": 1
  }
}