Pith Number

pith:LFGY4KA7

pith:2018:LFGY4KA7NUCV3M4EC5IF7NUA2B

not attested not anchored not stored refs pending

Image-to-GPS Verification Through A Bottom-Up Pattern Matching Network

Jiaxin Cheng, Prem Natarajan, Wael Abd-Almageed, Yue Wu

arxiv:1811.07288 v1 · 2018-11-18 · 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{LFGY4KA7NUCV3M4EC5IF7NUA2B}

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	2026-05-18T00:00:28.361304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

594d8e281f6d055db38417505fb680d07e53bc99ef054736ebe5ed711c67e92c

Aliases

arxiv: 1811.07288 · arxiv_version: 1811.07288v1 · doi: 10.48550/arxiv.1811.07288 · pith_short_12: LFGY4KA7NUCV · pith_short_16: LFGY4KA7NUCV3M4E · pith_short_8: LFGY4KA7

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/LFGY4KA7NUCV3M4EC5IF7NUA2B \
  | 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: 594d8e281f6d055db38417505fb680d07e53bc99ef054736ebe5ed711c67e92c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65f71ba54a8563a849b5dc923c3bb76edaee61cf9467bc71c10ac9b4677859c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-18T06:59:36Z",
    "title_canon_sha256": "e598e0bfa3110029df52c315501cf4af094a3f2ff24c2a281eb15536e0239f99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07288",
    "kind": "arxiv",
    "version": 1
  }
}