Pith Number

pith:2ZCN4VVG

pith:2021:2ZCN4VVGIRPUSIZKYCATJKJTJR

not attested not anchored not stored refs pending

Set-Valued Rigid Body Dynamics for Simultaneous, Inelastic, Frictional Impacts

Mathew Halm, Michael Posa

arxiv:2103.15714 v3 · 2021-03-29 · 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{2ZCN4VVGIRPUSIZKYCATJKJTJR}

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	2026-07-05T06:41:00.211637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d644de56a6445f49232ac08134a9334c7ee655442207b355e7cb1ec9bf765616

Aliases

arxiv: 2103.15714 · arxiv_version: 2103.15714v3 · doi: 10.48550/arxiv.2103.15714 · pith_short_12: 2ZCN4VVGIRPU · pith_short_16: 2ZCN4VVGIRPUSIZK · pith_short_8: 2ZCN4VVG

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/2ZCN4VVGIRPUSIZKYCATJKJTJR \
  | 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: d644de56a6445f49232ac08134a9334c7ee655442207b355e7cb1ec9bf765616

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cce86d12ea876283dc372b08289b30e8c4c55cc841981343b46f1b44897e0572",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2021-03-29T15:56:45Z",
    "title_canon_sha256": "7a72a96b50e750fbdaa556b6d4c997466e63dfb4a1db04a90444099c31e74faf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.15714",
    "kind": "arxiv",
    "version": 3
  }
}