Pith Number

pith:HGGVZ5YM

pith:2012:HGGVZ5YM25UM5BGAQJ4HSBAYQ4

not attested not anchored not stored refs pending

Homogenizing metamaterials, three times

Didier Felbacq

arxiv:1211.1901 v1 · 2012-11-08 · cond-mat.mes-hall · math-ph · math.MP · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGGVZ5YM25UM5BGAQJ4HSBAYQ4}

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	2026-05-18T03:41:13.256809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

398d5cf70cd768ce84c082787904188721b907355df6c3d15be985d99ccfe6bb

Aliases

arxiv: 1211.1901 · arxiv_version: 1211.1901v1 · doi: 10.48550/arxiv.1211.1901 · pith_short_12: HGGVZ5YM25UM · pith_short_16: HGGVZ5YM25UM5BGA · pith_short_8: HGGVZ5YM

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/HGGVZ5YM25UM5BGAQJ4HSBAYQ4 \
  | 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: 398d5cf70cd768ce84c082787904188721b907355df6c3d15be985d99ccfe6bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21df246aff4948629f745bff2ff01940866f85dc36c7877d811aa5e279d46ea4",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2012-11-08T16:55:05Z",
    "title_canon_sha256": "fc8515141c947fea32edab5ad967524066469a5fbf7cd29d35ac6c42eeb94108"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1901",
    "kind": "arxiv",
    "version": 1
  }
}