Pith Number

pith:64YN2YKR

pith:2018:64YN2YKRLT2PDPRYN6VSLG3CON

not attested not anchored not stored refs pending

Learning what is above and what is below: horizon approach to monocular obstacle detection

Christophe de Wagter, Guido de Croon

arxiv:1806.08007 v1 · 2018-06-20 · 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{64YN2YKRLT2PDPRYN6VSLG3CON}

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	2026-05-18T00:12:42.338138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f730dd61515cf4f1be386fab259b62734a9ef37617d71731928b2e45f42d2d15

Aliases

arxiv: 1806.08007 · arxiv_version: 1806.08007v1 · doi: 10.48550/arxiv.1806.08007 · pith_short_12: 64YN2YKRLT2P · pith_short_16: 64YN2YKRLT2PDPRY · pith_short_8: 64YN2YKR

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/64YN2YKRLT2PDPRYN6VSLG3CON \
  | 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: f730dd61515cf4f1be386fab259b62734a9ef37617d71731928b2e45f42d2d15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "604692e64597366e364f4f960f5be9479f5fc720bb0df23b462f941b9368bd50",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-06-20T22:00:45Z",
    "title_canon_sha256": "8c1b88adeffad890ab3f291d14f9437301f5734b2ea05f4f4ba8b2546fdea1b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08007",
    "kind": "arxiv",
    "version": 1
  }
}