Pith Number

pith:HMNUW3XB

pith:2015:HMNUW3XBMJ5HDAUAJAMOPCWA4U

not attested not anchored not stored refs pending

Highly efficient broadband polarization retarders and tunable polarization filters made of composite stacks of ordinary wave plates

Emiliya St. Dimova, George St. Popkirov, Nikolay V. Vitanov, Svetoslav S. Ivanov

arxiv:1503.02699 v1 · 2015-03-09 · 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{HMNUW3XBMJ5HDAUAJAMOPCWA4U}

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	2026-05-18T01:40:52.727310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b1b4b6ee1627a7182804818e78ac0e508b161218b64996d9c2a723d53b8a82c

Aliases

arxiv: 1503.02699 · arxiv_version: 1503.02699v1 · doi: 10.48550/arxiv.1503.02699 · pith_short_12: HMNUW3XBMJ5H · pith_short_16: HMNUW3XBMJ5HDAUA · pith_short_8: HMNUW3XB

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/HMNUW3XBMJ5HDAUAJAMOPCWA4U \
  | 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: 3b1b4b6ee1627a7182804818e78ac0e508b161218b64996d9c2a723d53b8a82c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a626683c2a89b69fc1b076f13f05444e350ca3a1e124bb3b35c0854081ba97f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-03-09T21:11:37Z",
    "title_canon_sha256": "0868b38ff61dc0a3ad63aa3b29d9befc1d887804d41c4894eb1e670840c7882d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02699",
    "kind": "arxiv",
    "version": 1
  }
}