Pith Number

pith:JHIZPTLH

pith:2011:JHIZPTLH65DRAOFTHT2YS6WTFX

not attested not anchored not stored refs pending

Elastic metamaterials with simultaneously negative effective shear modulus and mass density

Ying Wu, Yun Lai, Zhao-Qing Zhang

arxiv:1102.4679 v1 · 2011-02-23 · 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{JHIZPTLH65DRAOFTHT2YS6WTFX}

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	2026-05-18T04:14:07.809230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49d197cd67f7471038b33cf5897ad32de6d96bc3c15a882e7281eb8ce3a37668

Aliases

arxiv: 1102.4679 · arxiv_version: 1102.4679v1 · doi: 10.48550/arxiv.1102.4679 · pith_short_12: JHIZPTLH65DR · pith_short_16: JHIZPTLH65DRAOFT · pith_short_8: JHIZPTLH

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/JHIZPTLH65DRAOFTHT2YS6WTFX \
  | 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: 49d197cd67f7471038b33cf5897ad32de6d96bc3c15a882e7281eb8ce3a37668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d653401b052e7acd60fe4e2ad911f646d07e67d9b187f716a55bb9cc823db5c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-02-23T07:49:00Z",
    "title_canon_sha256": "1e48b534066bf977e218ea89d88f67971952596d3e32b9fb8fb182b8569af767"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4679",
    "kind": "arxiv",
    "version": 1
  }
}