Pith Number

pith:2EYNBMF7

pith:2019:2EYNBMF7IM4UOF63WMUQOJFK25

not attested not anchored not stored refs pending

Are State-of-the-art Visual Place Recognition Techniques any Good for Aerial Robotics?

Ahmad Khaliq, Klaus McDonald-Maier, Kostas Alexis, Michael Milford, Mubariz Zaffar, Shoaib Ehsan

arxiv:1904.07967 v2 · 2019-04-16 · 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{2EYNBMF7IM4UOF63WMUQOJFK25}

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	2026-05-17T23:45:19.957558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d130d0b0bf43394717dbb3290724aad768c14d3a3be99373febede4792cf5fa9

Aliases

arxiv: 1904.07967 · arxiv_version: 1904.07967v2 · doi: 10.48550/arxiv.1904.07967 · pith_short_12: 2EYNBMF7IM4U · pith_short_16: 2EYNBMF7IM4UOF63 · pith_short_8: 2EYNBMF7

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/2EYNBMF7IM4UOF63WMUQOJFK25 \
  | 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: d130d0b0bf43394717dbb3290724aad768c14d3a3be99373febede4792cf5fa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8d2ef42d83a26da9c6f7e10503894413ee25cb82fc884935090ebbdd1c7b6ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-04-16T20:34:39Z",
    "title_canon_sha256": "96310cd536a3ee8a9ac92e15cb91fe7b055f1fdc7a43357351789ccf28b42aaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07967",
    "kind": "arxiv",
    "version": 2
  }
}