Pith Number

pith:J7EJWIGP

pith:2009:J7EJWIGPVAKDEPR22STJZGPCP3

not attested not anchored not stored refs pending

Optical vortex filtering for the detection of Electromagnetically Induced Transparency

(Department of Physics, Gleb V. Romanov, Irina Novikova, Mary), Nathaniel B. Phillips, The College of William, William F. Ames

arxiv:0912.1562 v2 · 2009-12-08 · physics.optics · physics.atom-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7EJWIGPVAKDEPR22STJZGPCP3}

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	2026-05-18T04:19:22.372047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fc89b20cfa814323e3ad4a69c99e27ef97507742f419b8a7f6f50c72f9ae16f

Aliases

arxiv: 0912.1562 · arxiv_version: 0912.1562v2 · doi: 10.48550/arxiv.0912.1562 · pith_short_12: J7EJWIGPVAKD · pith_short_16: J7EJWIGPVAKDEPR2 · pith_short_8: J7EJWIGP

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/J7EJWIGPVAKDEPR22STJZGPCP3 \
  | 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: 4fc89b20cfa814323e3ad4a69c99e27ef97507742f419b8a7f6f50c72f9ae16f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b41db7e94005bf1e3f808905acba7e82cff0815233637c71cd6dbe2a72dd4bb",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-12-08T18:32:54Z",
    "title_canon_sha256": "4df74f9b4aca6de9864a42cd9c9e056c5fcda8b1419f85ae6a9f26c7af546676"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1562",
    "kind": "arxiv",
    "version": 2
  }
}