Pith Number

pith:QVYEVTTF

pith:2019:QVYEVTTFL72M7B7EAYBPEBBVJE

not attested not anchored not stored refs pending

Transmissive Suppressed-Order Diffraction Grating (SODG)

Ashutosh Patri, Christophe Caloz, Guillaume Lavigne

arxiv:1901.09695 v1 · 2019-01-24 · physics.class-ph · physics.app-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{QVYEVTTFL72M7B7EAYBPEBBVJE}

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	2026-05-17T23:55:24.068220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85704ace655ff4cf87e40602f20435492469545e87bb1260568a9b17a974bff2

Aliases

arxiv: 1901.09695 · arxiv_version: 1901.09695v1 · doi: 10.48550/arxiv.1901.09695 · pith_short_12: QVYEVTTFL72M · pith_short_16: QVYEVTTFL72M7B7E · pith_short_8: QVYEVTTF

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/QVYEVTTFL72M7B7EAYBPEBBVJE \
  | 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: 85704ace655ff4cf87e40602f20435492469545e87bb1260568a9b17a974bff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "318debe63c67794cbc7cbac3449a70719cb4f57dd18a6d4e77118e300791e1a1",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2019-01-24T23:20:46Z",
    "title_canon_sha256": "b9069e7cbf25fd795858dbb807ff51e2e3bc3e25444245eff928440e2126f4a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09695",
    "kind": "arxiv",
    "version": 1
  }
}