Pith Number

pith:NPOVYD4A

pith:2021:NPOVYD4AGRR3QSLCW4DQRVCTOF

not attested not anchored not stored refs pending

Visual and Object Geo-localization: A Comprehensive Survey

Daniel Wilson, Safwan Wshah, Waqas Sultani, Xiaohan Zhang

arxiv:2112.15202 v2 · 2021-12-30 · 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{NPOVYD4AGRR3QSLCW4DQRVCTOF}

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	2026-07-05T06:59:49.588760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bdd5c0f803463b84962b70708d453715b7e46760408830984145ed0107480cb

Aliases

arxiv: 2112.15202 · arxiv_version: 2112.15202v2 · doi: 10.48550/arxiv.2112.15202 · pith_short_12: NPOVYD4AGRR3 · pith_short_16: NPOVYD4AGRR3QSLC · pith_short_8: NPOVYD4A

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/NPOVYD4AGRR3QSLCW4DQRVCTOF \
  | 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: 6bdd5c0f803463b84962b70708d453715b7e46760408830984145ed0107480cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3c87bce9d5ae1ad9dc834717a6a279288bcc7a3eb41d665d53c018cbdebf272",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-30T20:46:53Z",
    "title_canon_sha256": "5189a7b32d2dd4585ff3cd81cea139691c8ab04e14d3da88558fd1f5ffe1d511"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.15202",
    "kind": "arxiv",
    "version": 2
  }
}