Pith Number

pith:PII72VJN

pith:2011:PII72VJN2EJEBDZJVOQB47LAYX

not attested not anchored not stored refs pending

Experimental Modeling of Cosmological Inflation with Metamaterials

Ehren Hwang, Igor I. Smolyaninov, Yu-Ju Hung

arxiv:1111.3300 v2 · 2011-11-14 · physics.optics · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PII72VJN2EJEBDZJVOQB47LAYX}

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	2026-05-18T03:49:11.889494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a11fd552dd112408f29aba01e7d60c5caf39535ac2516f55237f04adfd15c39

Aliases

arxiv: 1111.3300 · arxiv_version: 1111.3300v2 · doi: 10.48550/arxiv.1111.3300 · pith_short_12: PII72VJN2EJE · pith_short_16: PII72VJN2EJEBDZJ · pith_short_8: PII72VJN

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/PII72VJN2EJEBDZJVOQB47LAYX \
  | 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: 7a11fd552dd112408f29aba01e7d60c5caf39535ac2516f55237f04adfd15c39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba4352e8e59fcdb6f6836201a0a42a70e8e6fe7025e0a01799a6d5bb22a24f1d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-11-14T18:02:55Z",
    "title_canon_sha256": "05223073f6b93a4ddf5f8e511d9c743d87ec3dcee86a836039ae271b59312c79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3300",
    "kind": "arxiv",
    "version": 2
  }
}