Pith Number

pith:QRKZ72GP

pith:2020:QRKZ72GPUDIF2JX7SJCQBFCT7S

not attested not anchored not stored refs pending

Modeling and Prediction of Rigid Body Motion with Planar Non-Convex Contact

Jiayin Xie, Nilanjan Chakraborty

arxiv:2010.03170 v1 · 2020-10-05 · 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{QRKZ72GPUDIF2JX7SJCQBFCT7S}

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	2026-07-05T01:41:00.625029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84559fe8cfa0d05d26ff9245009453fcb6d91d72fa6b24911c6b3c9b8c4f1d06

Aliases

arxiv: 2010.03170 · arxiv_version: 2010.03170v1 · doi: 10.48550/arxiv.2010.03170 · pith_short_12: QRKZ72GPUDIF · pith_short_16: QRKZ72GPUDIF2JX7 · pith_short_8: QRKZ72GP

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/QRKZ72GPUDIF2JX7SJCQBFCT7S \
  | 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: 84559fe8cfa0d05d26ff9245009453fcb6d91d72fa6b24911c6b3c9b8c4f1d06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "469da3a8b4cf071e8ad45cad2daebfe341498697f14b43f96cdc9fec7ee99eb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2020-10-05T18:04:31Z",
    "title_canon_sha256": "bbef574e41694e7cb6bbdc0bdb87b0a50fbfcd105ae0eb90cf381c60a179208d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.03170",
    "kind": "arxiv",
    "version": 1
  }
}