Pith Number

pith:EN4LFTSY

pith:2015:EN4LFTSYGAWLHUMADN4TPT6ZIJ

not attested not anchored not stored refs pending

Experimental investigation of circular Bragg phenomenon exhibited by a mirror-backed chiral sculptured thin film

Akhlesh Lakhtakia, Christian M. Graham, Sema Erten, Stephen E. Swiontek

arxiv:1509.02566 v2 · 2015-09-08 · 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{EN4LFTSYGAWLHUMADN4TPT6ZIJ}

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	2026-05-18T01:23:55.499515Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2378b2ce58302cb3d1801b7937cfd94264d6c7095dd15132de9bbcf785f5fad2

Aliases

arxiv: 1509.02566 · arxiv_version: 1509.02566v2 · doi: 10.48550/arxiv.1509.02566 · pith_short_12: EN4LFTSYGAWL · pith_short_16: EN4LFTSYGAWLHUMA · pith_short_8: EN4LFTSY

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/EN4LFTSYGAWLHUMADN4TPT6ZIJ \
  | 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: 2378b2ce58302cb3d1801b7937cfd94264d6c7095dd15132de9bbcf785f5fad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "402660435c82729c48e05302167840a9307af79f6817327e112681a168c1db6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-09-08T21:50:01Z",
    "title_canon_sha256": "199640b8848aac1ad5ab8d4cf4429bf8d99c1877428e93bec6992e186b29c526"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.02566",
    "kind": "arxiv",
    "version": 2
  }
}