Pith Number

pith:S44FPADO

pith:2021:S44FPADO4P2HZQN3NTYXHQDIXL

not attested not anchored not stored refs pending

Projector-Guided Non-Holonomic Mobile 3D Printing

Chen Feng, Xuchu Xu, Ziteng Wang

arxiv:2105.08950 v1 · 2021-05-19 · cs.RO · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S44FPADO4P2HZQN3NTYXHQDIXL}

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	2026-07-05T02:41:35.668015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

973857806ee3f47cc1bb6cf173c068bae6f139e05a03bc3e3fa30fb741a34936

Aliases

arxiv: 2105.08950 · arxiv_version: 2105.08950v1 · doi: 10.48550/arxiv.2105.08950 · pith_short_12: S44FPADO4P2H · pith_short_16: S44FPADO4P2HZQN3 · pith_short_8: S44FPADO

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/S44FPADO4P2HZQN3NTYXHQDIXL \
  | 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: 973857806ee3f47cc1bb6cf173c068bae6f139e05a03bc3e3fa30fb741a34936

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0faa71276efea287bd18c93b8782a049c1f0a895035cb08ba0c9506c98d50fed",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-05-19T06:49:10Z",
    "title_canon_sha256": "31a595acff0d2558f77cb3a38f2f784087045c30ad0d5c74d6f204c2def8d0d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.08950",
    "kind": "arxiv",
    "version": 1
  }
}