Pith Number

pith:PWTIPCX6

pith:2026:PWTIPCX6Z37M3E42BVK3SCRPGT

not attested not anchored not stored refs pending

Trajectory Optimization for Collision-Aware Redundant Robotic Multi-Axis Additive Manufacturing by Constrained Gradient Projection

Chengkai Dai, Chenyu Xu, Guoxin Fang, Jiasheng Qu, Yongzhe Li, Zhikai Shen, Zhuo Huang

arxiv:2606.29766 v1 · 2026-06-29 · cs.RO · cs.CG · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PWTIPCX6Z37M3E42BVK3SCRPGT}

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	2026-06-30T02:17:34.311648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da6878afecefecd939a0d55b90a2f34e0e8ce64ec2008648f12903907d08e59

Aliases

arxiv: 2606.29766 · arxiv_version: 2606.29766v1 · doi: 10.48550/arxiv.2606.29766 · pith_short_12: PWTIPCX6Z37M · pith_short_16: PWTIPCX6Z37M3E42 · pith_short_8: PWTIPCX6

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/PWTIPCX6Z37M3E42BVK3SCRPGT \
  | 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: 7da6878afecefecd939a0d55b90a2f34e0e8ce64ec2008648f12903907d08e59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f6915af73a70529ee0dde1ef51230d397dded43a72285e0a8c0324dd84066a5",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-06-29T04:18:54Z",
    "title_canon_sha256": "9560497bd3645d5b2a679565dd61a88f88b5a135465b9687e4079badd3b1f53d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29766",
    "kind": "arxiv",
    "version": 1
  }
}