Pith Number

pith:67BN66HD

pith:2020:67BN66HD2OAPR74YPM4ARUOXS2

not attested not anchored not stored refs pending

Hyper Resolution Two Photon Direct Laser Writing using ENZ Nano-Cavity

Antonio De Luca, Antonio Ferraro, Giuseppe Emanuele Lio, Michele Giocondo, Roberto Caputo, Tiziana Ritacco

arxiv:2007.13509 v1 · 2020-07-27 · 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{67BN66HD2OAPR74YPM4ARUOXS2}

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	2026-07-05T02:29:29.184041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7c2df78e3d380f8ff987b3808d1d7968d7df5f345504ea85e009f59969a32f2

Aliases

arxiv: 2007.13509 · arxiv_version: 2007.13509v1 · doi: 10.48550/arxiv.2007.13509 · pith_short_12: 67BN66HD2OAP · pith_short_16: 67BN66HD2OAPR74Y · pith_short_8: 67BN66HD

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/67BN66HD2OAPR74YPM4ARUOXS2 \
  | 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: f7c2df78e3d380f8ff987b3808d1d7968d7df5f345504ea85e009f59969a32f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18e4f24e5b57a7a94d290d4ca4557c77b787282cef1b20cb1c489689593a2675",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-07-27T12:51:10Z",
    "title_canon_sha256": "6534847f426b241aa34f4c77232e053c865121b6921ee8cc74e318a8aa15833e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.13509",
    "kind": "arxiv",
    "version": 1
  }
}