Pith Number

pith:F6HFT5EB

pith:2011:F6HFT5EBRKL4ISSU4NDFJU2E3Y

not attested not anchored not stored refs pending

Realization of a spherical boundary by a layer of wave-guiding medium

A. Sihvola, I.V. Lindell, J. Markkanen, P. Yl\"a-Oijala

arxiv:1104.3495 v1 · 2011-04-18 · physics.class-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F6HFT5EBRKL4ISSU4NDFJU2E3Y}

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	2026-05-18T02:02:23.558113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f8e59f4818a97c44a54e34654d344de211d4f18c605660d3e54e243fb8f922b

Aliases

arxiv: 1104.3495 · arxiv_version: 1104.3495v1 · doi: 10.48550/arxiv.1104.3495 · pith_short_12: F6HFT5EBRKL4 · pith_short_16: F6HFT5EBRKL4ISSU · pith_short_8: F6HFT5EB

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/F6HFT5EBRKL4ISSU4NDFJU2E3Y \
  | 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: 2f8e59f4818a97c44a54e34654d344de211d4f18c605660d3e54e243fb8f922b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fdd2825d8152aaea55461511e88b5fd70f67457cb205c0767720e5c72133320",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2011-04-18T14:32:01Z",
    "title_canon_sha256": "5f18bd47883ff4fbec35f1672a4f7006d75e3b981db7853c07ed36cb2c308422"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3495",
    "kind": "arxiv",
    "version": 1
  }
}