Pith Number

pith:QS7EN43J

pith:2012:QS7EN43JP7E66YS7HS4C5CNJEB

not attested not anchored not stored refs pending

Mechanical Metamaterials with Negative Compressibility Transitions

Adilson E. Motter, Zachary G. Nicolaou

arxiv:1207.2185 v1 · 2012-07-09 · cond-mat.mtrl-sci · cond-mat.dis-nn · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QS7EN43JP7E66YS7HS4C5CNJEB}

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	2026-05-18T03:51:24.792745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84be46f3697fc9ef625f3cb82e89a9204082e8faa069b3e29020020ed80006aa

Aliases

arxiv: 1207.2185 · arxiv_version: 1207.2185v1 · doi: 10.48550/arxiv.1207.2185 · pith_short_12: QS7EN43JP7E6 · pith_short_16: QS7EN43JP7E66YS7 · pith_short_8: QS7EN43J

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/QS7EN43JP7E66YS7HS4C5CNJEB \
  | 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: 84be46f3697fc9ef625f3cb82e89a9204082e8faa069b3e29020020ed80006aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b7912dcd478a21c5d27367257142e78a544419b60d45b9f8d0ccbece776331a",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-07-09T21:06:05Z",
    "title_canon_sha256": "f16223f3b38054c8f7d824d51f996daeac1048ab69db944e59630a11a1179d68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2185",
    "kind": "arxiv",
    "version": 1
  }
}