Pith Number

pith:PFYMQJC2

pith:2022:PFYMQJC2CTEVSERGNUD244FPLF

not attested not anchored not stored refs pending

Danish Airs and Grounds: A Dataset for Aerial-to-Street-Level Place Recognition and Localization

Andrea Vallone, Frederik Warburg, Hans Hansen, Javier Civera, S{\o}ren Hauberg

arxiv:2202.01821 v1 · 2022-02-03 · cs.CV · 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{PFYMQJC2CTEVSERGNUD244FPLF}

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	2026-07-05T03:54:05.456432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7970c8245a14c95912266d07ae70af597fe711d00f61c24de551f4132f466022

Aliases

arxiv: 2202.01821 · arxiv_version: 2202.01821v1 · doi: 10.48550/arxiv.2202.01821 · pith_short_12: PFYMQJC2CTEV · pith_short_16: PFYMQJC2CTEVSERG · pith_short_8: PFYMQJC2

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/PFYMQJC2CTEVSERGNUD244FPLF \
  | 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: 7970c8245a14c95912266d07ae70af597fe711d00f61c24de551f4132f466022

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8ea9af3b0dc6d309cde624bf1d69f5e722d74f35b820f1b32916198cacc26d3",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-02-03T19:58:09Z",
    "title_canon_sha256": "cf0a5c56c62c6b512dca5fb5d26987f68708f47adb6ffe06ac9c32ed11f77dcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.01821",
    "kind": "arxiv",
    "version": 1
  }
}