Pith Number

pith:PTWHVT2W

pith:2018:PTWHVT2WHHZAKOKTTLXRHQ3K34

not attested not anchored not stored refs pending

Friction Variability in Planar Pushing Data: Anisotropic Friction and Data-collection Bias

Alberto Rodriguez, Daolin Ma

arxiv:1802.10089 v4 · 2018-02-27 · cs.RO · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PTWHVT2WHHZAKOKTTLXRHQ3K34}

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	2026-05-18T00:08:54.536163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cec7acf5639f20539539aef13c36adf1c2f410f2be555e2760fe3e3a91c9031

Aliases

arxiv: 1802.10089 · arxiv_version: 1802.10089v4 · doi: 10.48550/arxiv.1802.10089 · pith_short_12: PTWHVT2WHHZA · pith_short_16: PTWHVT2WHHZAKOKT · pith_short_8: PTWHVT2W

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/PTWHVT2WHHZAKOKTTLXRHQ3K34 \
  | 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: 7cec7acf5639f20539539aef13c36adf1c2f410f2be555e2760fe3e3a91c9031

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9dc860ace3a9ed14452e1ba405c807dbdae14a374dd62bac95ba48682cae05f",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2018-02-27T16:13:17Z",
    "title_canon_sha256": "82865d62a3280b5ba4e4a8e72fd1dc14ede4ec66567c39ff9e2ba785b903c46f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10089",
    "kind": "arxiv",
    "version": 4
  }
}