Pith Number

pith:TEU7L6DG

pith:2026:TEU7L6DGLQW7S5QDFESPM5EG25

not attested not anchored not stored refs pending

Hierarchical Granular Metamaterials

Ayan Kumar, Bastien F. G. Aymon, Carlos M. Portela, James Utama Surjadi, Jet Lem, Ken N. Kamrin, Lei Wu

arxiv:2606.22795 v1 · 2026-06-22 · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TEU7L6DGLQW7S5QDFESPM5EG25}

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	2026-06-23T02:13:59.478311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9929f5f8665c2df976032924f67486d770ef459882b658031742e320942166ec

Aliases

arxiv: 2606.22795 · arxiv_version: 2606.22795v1 · doi: 10.48550/arxiv.2606.22795 · pith_short_12: TEU7L6DGLQW7 · pith_short_16: TEU7L6DGLQW7S5QD · pith_short_8: TEU7L6DG

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/TEU7L6DGLQW7S5QDFESPM5EG25 \
  | 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: 9929f5f8665c2df976032924f67486d770ef459882b658031742e320942166ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1f83d16f4112a60831e682c012f5eaec6800ae1fff5712fb7e2909ac22be229",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2026-06-22T03:12:06Z",
    "title_canon_sha256": "036d74a434d968ea5eb55c28d9ffefb94a87c0a5ae403c6d38a98f2ba9acae5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22795",
    "kind": "arxiv",
    "version": 1
  }
}