Pith Number

pith:TJYJEZ2Z

pith:2023:TJYJEZ2ZYKQPL3WLLCOS4AAVJU

not attested not anchored not stored refs pending

Micro-scale graded mechanical metamaterials exhibiting versatile Poisson's ratio

A. Spaggiari, G. Ulliac, J.A. Iglesias Mart\'inez, J.N. Grima, K. K. Dudek, L. Mizzi, M. Kadic, R. Gatt, V. Laude

arxiv:2305.16766 v1 · 2023-05-26 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TJYJEZ2ZYKQPL3WLLCOS4AAVJU}

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	2026-07-05T06:14:17.293070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a70926759c2a0f5eecb589d2e00154d3a71a4da82cadedff6a1e5589c25f940

Aliases

arxiv: 2305.16766 · arxiv_version: 2305.16766v1 · doi: 10.48550/arxiv.2305.16766 · pith_short_12: TJYJEZ2ZYKQP · pith_short_16: TJYJEZ2ZYKQPL3WL · pith_short_8: TJYJEZ2Z

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/TJYJEZ2ZYKQPL3WLLCOS4AAVJU \
  | 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: 9a70926759c2a0f5eecb589d2e00154d3a71a4da82cadedff6a1e5589c25f940

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85a4940f3029967a7f3d98912b13e12362713eadcbb199fce48e788bf85f4837",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2023-05-26T09:28:42Z",
    "title_canon_sha256": "e06a59c5351e96565ccf729777d7b7ab6d28e24a5b8c84e28c7ccdbc2576ef09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.16766",
    "kind": "arxiv",
    "version": 1
  }
}