Pith Number

pith:KWFE7V4L

pith:2014:KWFE7V4L2ZOZGLWU5LG6G5Q5GE

not attested not anchored not stored refs pending

Anisotropic Metamaterial Optical Fibers

Ashwin K. Iyer, Dheeraj Pratap, Justin G. Pollock, S. Anantha Ramakrishna

arxiv:1411.7779 v2 · 2014-11-28 · 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{KWFE7V4L2ZOZGLWU5LG6G5Q5GE}

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	2026-05-18T00:52:04.388723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

558a4fd78bd65d932ed4eacde3761d312724c25030baf50fa68e049ec46e7cdc

Aliases

arxiv: 1411.7779 · arxiv_version: 1411.7779v2 · doi: 10.48550/arxiv.1411.7779 · pith_short_12: KWFE7V4L2ZOZ · pith_short_16: KWFE7V4L2ZOZGLWU · pith_short_8: KWFE7V4L

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/KWFE7V4L2ZOZGLWU5LG6G5Q5GE \
  | 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: 558a4fd78bd65d932ed4eacde3761d312724c25030baf50fa68e049ec46e7cdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df59a23c111001c2abc440f5aba4d49d26d4115b8692f7a92620f4ffdae0797a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-11-28T08:31:36Z",
    "title_canon_sha256": "7e855690067c627f92f7a48ad9948c22af39f63e3ec014a0f91d0327d9ec322d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.7779",
    "kind": "arxiv",
    "version": 2
  }
}