Pith Number

pith:Q33M7S5J

pith:2019:Q33M7S5JGQOVPLTEEK2CEFGP7W

not attested not anchored not stored refs pending

Learning to See the Wood for the Trees: Deep Laser Localization in Urban and Natural Environments on a CPU

Adrian Penate-Sanchez, Georgi Tinchev, Maurice Fallon

arxiv:1902.10194 v1 · 2019-02-26 · cs.RO · cs.AI · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q33M7S5JGQOVPLTEEK2CEFGP7W}

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	2026-05-17T23:52:31.527446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86f6cfcba9341d57ae6422b42214cffdb4a520c098ac93d9f809bbe0db69fcea

Aliases

arxiv: 1902.10194 · arxiv_version: 1902.10194v1 · doi: 10.48550/arxiv.1902.10194 · pith_short_12: Q33M7S5JGQOV · pith_short_16: Q33M7S5JGQOVPLTE · pith_short_8: Q33M7S5J

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/Q33M7S5JGQOVPLTEEK2CEFGP7W \
  | 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: 86f6cfcba9341d57ae6422b42214cffdb4a520c098ac93d9f809bbe0db69fcea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5537160ec3239994381cd27474ed1d82bbcea9495f4143f39f39a4ffbc5d955",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-02-26T20:13:14Z",
    "title_canon_sha256": "d4bf0491d63e840a39602adece8bd2423929176c2ac03702889e3071699f49a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10194",
    "kind": "arxiv",
    "version": 1
  }
}