Pith Number

pith:WGPD2JYC

pith:2015:WGPD2JYCHZJ62P7EA7W7AOQRF6

not attested not anchored not stored refs pending

A class of auxetic three-dimensional lattices

Luigi Cabras, Michele Brun

arxiv:1506.04919 v1 · 2015-06-16 · physics.class-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WGPD2JYCHZJ62P7EA7W7AOQRF6}

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	2026-05-18T01:16:50.275656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b19e3d27023e53ed3fe407edf03a112fbf1bb5f3a5459ba62d1d5a390dc0b000

Aliases

arxiv: 1506.04919 · arxiv_version: 1506.04919v1 · doi: 10.48550/arxiv.1506.04919 · pith_short_12: WGPD2JYCHZJ6 · pith_short_16: WGPD2JYCHZJ62P7E · pith_short_8: WGPD2JYC

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/WGPD2JYCHZJ62P7EA7W7AOQRF6 \
  | 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: b19e3d27023e53ed3fe407edf03a112fbf1bb5f3a5459ba62d1d5a390dc0b000

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3aa4114b845e86444574e9473584d6ec02696feeba056f94b9151f2067610ba",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2015-06-16T11:13:17Z",
    "title_canon_sha256": "025910cac0d62e0ee843e2ef5844d8273430c4d0c4eec266526122e8500c91fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.04919",
    "kind": "arxiv",
    "version": 1
  }
}