Pith Number

pith:DMJDICUU

pith:2019:DMJDICUU5DEUMTASE7BIK76UJW

not attested not anchored not stored refs pending

A novel layered topology of auxetic materials based on the tetrachiral honeycomb microstructure

Andrea Bacigalupo, Ferdinando Auricchio, Francesca Vadala, Luigi Gambarotta, Marco Lepidi, Simone Morganti

arxiv:1903.10939 v1 · 2019-03-26 · physics.app-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{DMJDICUU5DEUMTASE7BIK76UJW}

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	2026-05-17T23:50:17.169949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b12340a94e8c9464c1227c2857fd44da9e1dc27d4c55335cf673cda6aad905d

Aliases

arxiv: 1903.10939 · arxiv_version: 1903.10939v1 · doi: 10.48550/arxiv.1903.10939 · pith_short_12: DMJDICUU5DEU · pith_short_16: DMJDICUU5DEUMTAS · pith_short_8: DMJDICUU

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/DMJDICUU5DEUMTASE7BIK76UJW \
  | 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: 1b12340a94e8c9464c1227c2857fd44da9e1dc27d4c55335cf673cda6aad905d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73c6b1f8ba98d6ad07eccaed19a42237fb6024abeab61d8cc5a9685691720c33",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-03-26T14:59:55Z",
    "title_canon_sha256": "23f55f033fbac3b533b0243b0c7fc60ca2e98a6125b9661740b86a20939a9c8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10939",
    "kind": "arxiv",
    "version": 1
  }
}