Pith Number

pith:CN53MQKV

pith:2014:CN53MQKVV6THJJCV6YB672L6FU

not attested not anchored not stored refs pending

Pentamode metamaterials with independently tailored bulk modulus and mass density

Martin Wegener, Muamer Kadic, Peter Gumbsch, Robert Schittny, Tiemo Buckmann

arxiv:1407.4894 v1 · 2014-07-18 · 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{CN53MQKVV6THJJCV6YB672L6FU}

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	2026-05-18T00:56:58.940078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

137bb64155afa674a455f603efe97e2d11fd11f08d1e18b214a3085b65087b23

Aliases

arxiv: 1407.4894 · arxiv_version: 1407.4894v1 · doi: 10.48550/arxiv.1407.4894 · pith_short_12: CN53MQKVV6TH · pith_short_16: CN53MQKVV6THJJCV · pith_short_8: CN53MQKV

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/CN53MQKVV6THJJCV6YB672L6FU \
  | 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: 137bb64155afa674a455f603efe97e2d11fd11f08d1e18b214a3085b65087b23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4a38ca640b3612facacb6d16f15bc8e8ee68b069d1e5efc9a8b224ac885cb41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2014-07-18T06:31:51Z",
    "title_canon_sha256": "47ace3eb28fe7b57778a5a84a6930c0f4f8f5cbe532ed347298600d7888a73b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4894",
    "kind": "arxiv",
    "version": 1
  }
}