Pith Number

pith:XS26HYVB

pith:2026:XS26HYVBK7UAWGQL7GCV2ZZZY4

not attested not anchored not stored refs pending

MPMWorlds: Material-Point-Method Simulations for Inferring and Extrapolating Physical Dynamics

Kevin Ellis, \v{Z}iga Kova\v{c}i\v{c}

arxiv:2606.01538 v1 · 2026-06-01 · cs.GR · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XS26HYVBK7UAWGQL7GCV2ZZZY4}

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	2026-06-02T02:04:35.840359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcb5e3e2a157e80b1a0bf9855d6739c716db462a7cad51f03e29e998c4a631e6

Aliases

arxiv: 2606.01538 · arxiv_version: 2606.01538v1 · doi: 10.48550/arxiv.2606.01538 · pith_short_12: XS26HYVBK7UA · pith_short_16: XS26HYVBK7UAWGQL · pith_short_8: XS26HYVB

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/XS26HYVBK7UAWGQL7GCV2ZZZY4 \
  | 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: bcb5e3e2a157e80b1a0bf9855d6739c716db462a7cad51f03e29e998c4a631e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "689bebd237df76212365c2290aad244882738990028347ccc83a169c5711c2e5",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2026-06-01T01:36:44Z",
    "title_canon_sha256": "7d7d6e4b86afb066bd4cc69c2f967d819e5f321dd9c138a224ea0d87613efee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.01538",
    "kind": "arxiv",
    "version": 1
  }
}