Pith Number

pith:X2J6O3G4

pith:2014:X2J6O3G4NDJSVFJDROXEPTVISZ

not attested not anchored not stored refs pending

Effective medium theory for anisotropic metamaterials

Xiujuan Zhang, Ying Wu

arxiv:1409.0996 v1 · 2014-09-03 · 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{X2J6O3G4NDJSVFJDROXEPTVISZ}

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	2026-05-18T00:59:49.517645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be93e76cdc68d32a95238bae47cea89644c8c5591fe8d6d140069eed226ae4df

Aliases

arxiv: 1409.0996 · arxiv_version: 1409.0996v1 · doi: 10.48550/arxiv.1409.0996 · pith_short_12: X2J6O3G4NDJS · pith_short_16: X2J6O3G4NDJSVFJD · pith_short_8: X2J6O3G4

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/X2J6O3G4NDJSVFJDROXEPTVISZ \
  | 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: be93e76cdc68d32a95238bae47cea89644c8c5591fe8d6d140069eed226ae4df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d3a2fd737d169e065d9e6117160e819e1af67ef24ce0d3b9534638a6aaf1256",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-09-03T08:57:24Z",
    "title_canon_sha256": "3c48f48af1f4934fdb281f19c11f280ff8ed855157000a33fb3b9991aae7d345"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0996",
    "kind": "arxiv",
    "version": 1
  }
}