Pith Number

pith:4K2B3UNK

pith:2021:4K2B3UNKFT66NZ56AAYGKSDXYB

not attested not anchored not stored refs pending

Semantic Reinforced Attention Learning for Visual Place Recognition

Danwei Wang, Guohao Peng, Jun Zhang, Xiaoyu Tang, Yufeng Yue, Zhenyu Wu

arxiv:2108.08443 v1 · 2021-08-19 · cs.CV · cs.AI · cs.RO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4K2B3UNKFT66NZ56AAYGKSDXYB}

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	2026-07-05T03:07:09.886971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2b41dd1aa2cfde6e7be0030654877c04088486128c2efc0a66aa96c5352cb7f

Aliases

arxiv: 2108.08443 · arxiv_version: 2108.08443v1 · doi: 10.48550/arxiv.2108.08443 · pith_short_12: 4K2B3UNKFT66 · pith_short_16: 4K2B3UNKFT66NZ56 · pith_short_8: 4K2B3UNK

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/4K2B3UNKFT66NZ56AAYGKSDXYB \
  | 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: e2b41dd1aa2cfde6e7be0030654877c04088486128c2efc0a66aa96c5352cb7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9ec7792e32eeeba46ee7f6ef69a099a214433c49406f85c1758aa622f98b79e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-19T02:14:36Z",
    "title_canon_sha256": "51d10826d1087195c7e6d4cd2ba99e6ec5ebe832fb301c07bee8eeaf9edad1e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.08443",
    "kind": "arxiv",
    "version": 1
  }
}