Pith Number

pith:REZKLGGE

pith:2012:REZKLGGEIEECY5BZAG5XDEPSVP

not attested not anchored not stored refs pending

Objective-First Nanophotonic Design

Jelena Vuckovic, Jesse Lu

arxiv:1207.2499 v1 · 2012-07-10 · math-ph · math.MP · 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{REZKLGGEIEECY5BZAG5XDEPSVP}

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	2026-05-18T03:51:15.272501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8932a598c441082c743901bb7191f2abc263c2640d3f238700938c1d8daeb516

Aliases

arxiv: 1207.2499 · arxiv_version: 1207.2499v1 · doi: 10.48550/arxiv.1207.2499 · pith_short_12: REZKLGGEIEEC · pith_short_16: REZKLGGEIEECY5BZ · pith_short_8: REZKLGGE

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/REZKLGGEIEECY5BZAG5XDEPSVP \
  | 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: 8932a598c441082c743901bb7191f2abc263c2640d3f238700938c1d8daeb516

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27d410619e3a8104873a8cc1a76203147b7ed99a61e9690a30a5d2a581e5d028",
    "cross_cats_sorted": [
      "math.MP",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-07-10T22:00:25Z",
    "title_canon_sha256": "4602ed916f4c8bdf6138258a0d26b4cb76702811d3c3884df8538b5aca1dc3fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2499",
    "kind": "arxiv",
    "version": 1
  }
}