Pith Number

pith:R2TQVJGD

pith:2015:R2TQVJGDNL7YIEYV6SILU7VG6Z

not attested not anchored not stored refs pending

Light capsules shaped by curvilinear meta-surfaces

A. Zakery, Carlos J. Zapata-Rodriguez, Juan J. Miret, Mahin Naserpour

arxiv:1502.04903 v2 · 2015-02-17 · 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{R2TQVJGDNL7YIEYV6SILU7VG6Z}

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	2026-05-18T01:09:49.271188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ea70aa4c36aff841315f490ba7ea6f6695a909ba7698f404f278a2dc8a7737b

Aliases

arxiv: 1502.04903 · arxiv_version: 1502.04903v2 · doi: 10.48550/arxiv.1502.04903 · pith_short_12: R2TQVJGDNL7Y · pith_short_16: R2TQVJGDNL7YIEYV · pith_short_8: R2TQVJGD

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/R2TQVJGDNL7YIEYV6SILU7VG6Z \
  | 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: 8ea70aa4c36aff841315f490ba7ea6f6695a909ba7698f404f278a2dc8a7737b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d4a0d73751deeebe32e24534105f538a2288512a3264a88758dcbccf2130235",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-02-17T14:23:56Z",
    "title_canon_sha256": "5218a24f26878b969e7784bacd5824800111415edf4afa56cf034a7a1581d671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04903",
    "kind": "arxiv",
    "version": 2
  }
}