Pith Number

pith:F4CWH6FM

pith:2014:F4CWH6FMRBFKAYTY64Q3R3WEKZ

not attested not anchored not stored refs pending

Tailoring reflections from thin composite metamirrors

S. A. Tretyakov, V. S. Asadchy, Y. Ra'di

arxiv:1401.1677 v1 · 2014-01-08 · 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{F4CWH6FMRBFKAYTY64Q3R3WEKZ}

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	2026-05-18T03:02:58.186792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f0563f8ac884aa06278f721b8eec45678da5b51d766532b64fb7d2787448a03

Aliases

arxiv: 1401.1677 · arxiv_version: 1401.1677v1 · doi: 10.48550/arxiv.1401.1677 · pith_short_12: F4CWH6FMRBFK · pith_short_16: F4CWH6FMRBFKAYTY · pith_short_8: F4CWH6FM

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/F4CWH6FMRBFKAYTY64Q3R3WEKZ \
  | 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: 2f0563f8ac884aa06278f721b8eec45678da5b51d766532b64fb7d2787448a03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48f422cafce9dd450583cb40135625ed0470213c33ee37d4f7b1aaf0e807657c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-01-08T12:13:35Z",
    "title_canon_sha256": "b55a44388580f6aaba1a93a7ae10001ee18af94a90e0a9bec06151c03a8e67e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1677",
    "kind": "arxiv",
    "version": 1
  }
}