Pith Number

pith:UHVUSMID

pith:2015:UHVUSMIDPFZTC3XXYGFNIQ63OK

not attested not anchored not stored refs pending

Auxetic-like metamaterials as novel earthquake protections

Bogdan Ungureanu, S\'ebastien Guenneau, Stefan Enoch, St\'ephane Br\^ul\'e, Younes Achaoui

arxiv:1510.08785 v3 · 2015-10-29 · 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{UHVUSMIDPFZTC3XXYGFNIQ63OK}

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	2026-05-18T01:22:50.339939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1eb4931037973316ef7c18ad443db72a093f6fd3e6c5bed323fefea250ac9c5

Aliases

arxiv: 1510.08785 · arxiv_version: 1510.08785v3 · doi: 10.48550/arxiv.1510.08785 · pith_short_12: UHVUSMIDPFZT · pith_short_16: UHVUSMIDPFZTC3XX · pith_short_8: UHVUSMID

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/UHVUSMIDPFZTC3XXYGFNIQ63OK \
  | 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: a1eb4931037973316ef7c18ad443db72a093f6fd3e6c5bed323fefea250ac9c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1372404047ebfb00e81a039ee91102e9f3570cc31d63d5b6160d944dbf6e2054",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2015-10-29T17:21:34Z",
    "title_canon_sha256": "dbf724af165b8e00a558388c610cc0fbe54cb22a3545ba41ab5a45dac3e1d8a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08785",
    "kind": "arxiv",
    "version": 3
  }
}