Pith Number

pith:SAK3R2RW

pith:2019:SAK3R2RW2TDDUCD7MIBJUXBUNQ

not attested not anchored not stored refs pending

Rigid Body Motion Prediction with Planar Non-convex Contact Patch

Jiayin Xie, Nilanjan Chakraborty

arxiv:1904.07723 v1 · 2019-04-15 · 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{SAK3R2RW2TDDUCD7MIBJUXBUNQ}

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	2026-05-17T23:48:19.530437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9015b8ea36d4c63a087f62029a5c346c21bf4b1623ecada9d43f2ee86969482c

Aliases

arxiv: 1904.07723 · arxiv_version: 1904.07723v1 · doi: 10.48550/arxiv.1904.07723 · pith_short_12: SAK3R2RW2TDD · pith_short_16: SAK3R2RW2TDDUCD7 · pith_short_8: SAK3R2RW

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/SAK3R2RW2TDDUCD7MIBJUXBUNQ \
  | 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: 9015b8ea36d4c63a087f62029a5c346c21bf4b1623ecada9d43f2ee86969482c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b197d2fd46d64d2111c97a86fabf2de43cab3bbf748a20bd9fd26deede678b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-04-15T17:57:08Z",
    "title_canon_sha256": "1da9fd6aa8e894d0898c749decad9b7bf51bc600320da0ca6e4376c71ed9ef8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07723",
    "kind": "arxiv",
    "version": 1
  }
}