Pith Number

pith:OTM24E5H

pith:2015:OTM24E5H72E372QBSB6MLAG4ZI

not attested not anchored not stored refs pending

Polar POLICRYPS Diffractive Structures Generate Cylindrical Vector Beams

Cesare Umeton, Domenico Alj, Giovanni Volpe, Roberto Caputo, Sathyanarayana Paladugu

arxiv:1509.07671 v1 · 2015-09-25 · physics.optics · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OTM24E5H72E372QBSB6MLAG4ZI}

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	2026-05-18T01:32:02.218362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74d9ae13a7fe89bfea01907cc580dcca1d512c1349931559df4a1e22b7b12905

Aliases

arxiv: 1509.07671 · arxiv_version: 1509.07671v1 · doi: 10.48550/arxiv.1509.07671 · pith_short_12: OTM24E5H72E3 · pith_short_16: OTM24E5H72E372QB · pith_short_8: OTM24E5H

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/OTM24E5H72E372QBSB6MLAG4ZI \
  | 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: 74d9ae13a7fe89bfea01907cc580dcca1d512c1349931559df4a1e22b7b12905

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "335bb845f664a4fb08c4fc298536ccdaf794c5e32bd9c02bbf96c8b8267d64b1",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-09-25T10:57:33Z",
    "title_canon_sha256": "d2736d46f3ee505e152563a25111caf0d52e3681d863665c7e0c26b127ab88f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07671",
    "kind": "arxiv",
    "version": 1
  }
}