Pith Number

pith:SMAQQT5O

pith:2018:SMAQQT5OBKSKYPZJH53JNZG57O

not attested not anchored not stored refs pending

A Critical Look at Smart Wheelchairs

Benjamin Narin, Makenzie Brian, William D. Smart

arxiv:1809.00291 v1 · 2018-09-02 · 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{SMAQQT5OBKSKYPZJH53JNZG57O}

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	2026-05-18T00:06:35.571536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9301084fae0aa4ac3f293f7696e4ddfbbadb6ab60b217e8de3e0c7f9c4b8b94b

Aliases

arxiv: 1809.00291 · arxiv_version: 1809.00291v1 · doi: 10.48550/arxiv.1809.00291 · pith_short_12: SMAQQT5OBKSK · pith_short_16: SMAQQT5OBKSKYPZJ · pith_short_8: SMAQQT5O

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/SMAQQT5OBKSKYPZJH53JNZG57O \
  | 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: 9301084fae0aa4ac3f293f7696e4ddfbbadb6ab60b217e8de3e0c7f9c4b8b94b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "adc9308af9a8570a2cd1e4ebb1de299bac18f70a3cc15657a349f2d20bcb5fec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-09-02T04:54:23Z",
    "title_canon_sha256": "c41002604c5d363ac0aea9f2cf56f73b0dba2e615b640fca4cca95996ae4c5c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00291",
    "kind": "arxiv",
    "version": 1
  }
}