Pith Number

pith:X4JSO6R3

pith:2018:X4JSO6R36GB55P7IGZHAHXS6AS

not attested not anchored not stored refs pending

Manifold Geometry with Fast Automatic Derivatives and Coordinate Frame Semantics Checking in C++

Leonid Koppel, Steven L. Waslander

arxiv:1805.01810 v1 · 2018-05-04 · 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{X4JSO6R36GB55P7IGZHAHXS6AS}

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	2026-05-18T00:16:46.640968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf13277a3bf183debfe8364e03de5e04a50b94828971eafcdc70a45b7263ba2c

Aliases

arxiv: 1805.01810 · arxiv_version: 1805.01810v1 · doi: 10.48550/arxiv.1805.01810 · pith_short_12: X4JSO6R36GB5 · pith_short_16: X4JSO6R36GB55P7I · pith_short_8: X4JSO6R3

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/X4JSO6R36GB55P7IGZHAHXS6AS \
  | 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: bf13277a3bf183debfe8364e03de5e04a50b94828971eafcdc70a45b7263ba2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e985ceb4002cb2ef9332bfb3377cf133b895fcb3dd52dba49b02b520562dce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-05-04T14:55:57Z",
    "title_canon_sha256": "f0a24cdf188caaf40cd5571c292f1ce979e0dd5c18e16b0d84378387d8aa9f0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01810",
    "kind": "arxiv",
    "version": 1
  }
}