Pith Number

pith:C4DF6DCO

pith:2010:C4DF6DCOASU5YIJPNNYR6QYVG7

not attested not anchored not stored refs pending

Localization of light on a cone: theoretical evidence and experimental demonstration for an optical fiber

M. Sumetsky

arxiv:1010.1943 v2 · 2010-10-10 · 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{C4DF6DCOASU5YIJPNNYR6QYVG7}

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	2026-05-18T02:05:07.065458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17065f0c4e04a9dc212f6b711f431537fcd71a98b20ecf44b790c901a523f0e4

Aliases

arxiv: 1010.1943 · arxiv_version: 1010.1943v2 · doi: 10.48550/arxiv.1010.1943 · pith_short_12: C4DF6DCOASU5 · pith_short_16: C4DF6DCOASU5YIJP · pith_short_8: C4DF6DCO

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/C4DF6DCOASU5YIJPNNYR6QYVG7 \
  | 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: 17065f0c4e04a9dc212f6b711f431537fcd71a98b20ecf44b790c901a523f0e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41c4f851547d70fc0dedf99d7bcc2aea5bf80f737e3eb73d8897cd2038a7976e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-10-10T18:00:01Z",
    "title_canon_sha256": "c8b16b026994235f93c87ce9b532c97b68afcc724c6c9250520710895b2752f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1943",
    "kind": "arxiv",
    "version": 2
  }
}