Pith Number

pith:D6KC52JI

pith:2018:D6KC52JITYD7LSXV5CNF6LGNFY

not attested not anchored not stored refs pending

Robots That Do Not Avoid Obstacles

Apostolos Syropoulos, Kyriakos Papadopoulos

arxiv:1801.00787 v1 · 2018-01-02 · cs.RO · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D6KC52JITYD7LSXV5CNF6LGNFY}

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	2026-05-18T00:16:16.006500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f942ee9289e07f5caf5e89a5f2ccd2e28d74b99dda42545eecc34783046fa59

Aliases

arxiv: 1801.00787 · arxiv_version: 1801.00787v1 · doi: 10.48550/arxiv.1801.00787 · pith_short_12: D6KC52JITYD7 · pith_short_16: D6KC52JITYD7LSXV · pith_short_8: D6KC52JI

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/D6KC52JITYD7LSXV5CNF6LGNFY \
  | 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: 1f942ee9289e07f5caf5e89a5f2ccd2e28d74b99dda42545eecc34783046fa59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4e31101ed2d7ecb0bc9eb797acf8a026a5bb368d2833cf337dd95c9d322537f",
    "cross_cats_sorted": [
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-01-02T16:55:06Z",
    "title_canon_sha256": "b64dc0dfb354060c14d1ad8282c1d178dd34e31726521efa0f8bc6606bfdc911"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00787",
    "kind": "arxiv",
    "version": 1
  }
}