Pith Number

pith:UJXSG5PE

pith:2015:UJXSG5PE5XVM2WDKBDCALB4ZXL

not attested not anchored not stored refs pending

Objects of maximum electromagnetic chirality

Carten Rockstuhl, Ivan Fernandez-Corbaton, Martin Fruhnert

arxiv:1508.04049 v4 · 2015-08-17 · 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{UJXSG5PE5XVM2WDKBDCALB4ZXL}

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	2026-05-18T01:10:10.196402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a26f2375e4edeacd586a08c4058799bac36a872518516e21bf97bb7db26ae2e8

Aliases

arxiv: 1508.04049 · arxiv_version: 1508.04049v4 · doi: 10.48550/arxiv.1508.04049 · pith_short_12: UJXSG5PE5XVM · pith_short_16: UJXSG5PE5XVM2WDK · pith_short_8: UJXSG5PE

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/UJXSG5PE5XVM2WDKBDCALB4ZXL \
  | 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: a26f2375e4edeacd586a08c4058799bac36a872518516e21bf97bb7db26ae2e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7d677f99c39a7607e1549e668d4477f39e8cbe5390b95f53b7ff8f662f6fbdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-08-17T15:02:00Z",
    "title_canon_sha256": "c9a02918e4190353ca3f87c8b72098edc8b7af16220cd01588c37fcb6bedeca1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04049",
    "kind": "arxiv",
    "version": 4
  }
}