Pith Number

pith:VI2MKEGC

pith:2013:VI2MKEGCU25R6LY4VO5743BG26

not attested not anchored not stored refs pending

Simple, broadband, optical spatial cloaking of very large objects

J. Benjamin Howell, John C. Howell

arxiv:1306.0863 v3 · 2013-06-04 · 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{VI2MKEGCU25R6LY4VO5743BG26}

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	2026-05-18T01:49:32.973349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa34c510c2a6bb1f2f1cabbbfe6c26d78a80be5a5ec53bf32db206c0d7da06a5

Aliases

arxiv: 1306.0863 · arxiv_version: 1306.0863v3 · doi: 10.48550/arxiv.1306.0863 · pith_short_12: VI2MKEGCU25R · pith_short_16: VI2MKEGCU25R6LY4 · pith_short_8: VI2MKEGC

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/VI2MKEGCU25R6LY4VO5743BG26 \
  | 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: aa34c510c2a6bb1f2f1cabbbfe6c26d78a80be5a5ec53bf32db206c0d7da06a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d13af999511e4a4fc1ed864139511ba96b399b337204b59ea2e5647bbe26ba09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-06-04T17:46:49Z",
    "title_canon_sha256": "f615195d6add74c6926c0fd7d1a2ea59158fbe9d706795f5208651f6c41c622c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0863",
    "kind": "arxiv",
    "version": 3
  }
}