Pith Number

pith:BYDJYTOF

pith:2019:BYDJYTOFRWO6O35U4L6FZFDV2X

not attested not anchored not stored refs pending

Infinite Grid Exploration by Disoriented Robots

Pascal Lafourcade, Quentin Bramas, Stephane Devismes

arxiv:1905.09271 v4 · 2019-05-22 · cs.DC · 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{BYDJYTOFRWO6O35U4L6FZFDV2X}

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	2026-05-17T23:41:42.036282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e069c4dc58d9de76fb4e2fc5c9475d5e34ada4d196b939d8308a45e0652f407

Aliases

arxiv: 1905.09271 · arxiv_version: 1905.09271v4 · doi: 10.48550/arxiv.1905.09271 · pith_short_12: BYDJYTOFRWO6 · pith_short_16: BYDJYTOFRWO6O35U · pith_short_8: BYDJYTOF

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/BYDJYTOFRWO6O35U4L6FZFDV2X \
  | 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: 0e069c4dc58d9de76fb4e2fc5c9475d5e34ada4d196b939d8308a45e0652f407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cf51ba6630ebd15c424301d3a313ea55b03cf5b14956d66beb2a89827a992ca",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-05-22T17:57:34Z",
    "title_canon_sha256": "6fd78ddea4461839d545fcdd9359fdf72dfccbc8a8e682a57058218111aa3e2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09271",
    "kind": "arxiv",
    "version": 4
  }
}