Pith Number

pith:CFEW74FU

pith:2018:CFEW74FUI4BFOX6WSKON7OJDHK

not attested not anchored not stored refs pending

The Power of Low Frequencies: Faraday Tomography in the sub-GHz regime

Cameron L. Van Eck

arxiv:1810.09938 v1 · 2018-10-23 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFEW74FUI4BFOX6WSKON7OJDHK}

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	2026-05-18T00:02:28.895991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11496ff0b44702575fd6929cdfb9233a8067155b76257cad473a3aaaa98a6c74

Aliases

arxiv: 1810.09938 · arxiv_version: 1810.09938v1 · doi: 10.48550/arxiv.1810.09938 · pith_short_12: CFEW74FUI4BF · pith_short_16: CFEW74FUI4BFOX6W · pith_short_8: CFEW74FU

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/CFEW74FUI4BFOX6WSKON7OJDHK \
  | 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: 11496ff0b44702575fd6929cdfb9233a8067155b76257cad473a3aaaa98a6c74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59df9bf0eb8b6cdb7744755d030f0e550a294f83d4f596380ede96e562726a67",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-10-23T16:04:51Z",
    "title_canon_sha256": "cecc469e11c76657e841a0c8f32baf54645b69e8c099086d26d46bb2bbe4f99f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09938",
    "kind": "arxiv",
    "version": 1
  }
}