Pith Number

pith:DLUPRH2W

pith:2010:DLUPRH2WHH7CWFFH4O33XA2EHD

not attested not anchored not stored refs pending

Ionospheric Power-Spectrum Tomography in Radio Interferometry

L.V.E. Koopmans (Kapteyn Astronomical Institute)

arxiv:1005.1898 v1 · 2010-05-11 · astro-ph.IM · astro-ph.CO · astro-ph.EP · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLUPRH2WHH7CWFFH4O33XA2EHD}

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.

Cited by

1 paper in Pith

STARFIRE-2: Can we detect the global redshifted 21-cm signal from the cosmic dawn in Earth orbit?

Receipt and verification

First computed	2026-05-18T02:07:34.114377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ae8f89f5639fe2b14a7e3b7bb834438c1b9b7e158741451ac8d31538ee01981

Aliases

arxiv: 1005.1898 · arxiv_version: 1005.1898v1 · doi: 10.48550/arxiv.1005.1898 · pith_short_12: DLUPRH2WHH7C · pith_short_16: DLUPRH2WHH7CWFFH · pith_short_8: DLUPRH2W

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/DLUPRH2WHH7CWFFH4O33XA2EHD \
  | 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: 1ae8f89f5639fe2b14a7e3b7bb834438c1b9b7e158741451ac8d31538ee01981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94cb29abd73a104b5c937071555f76daf4591f0053d6a145908ebe2758935237",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.EP",
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-05-11T18:03:58Z",
    "title_canon_sha256": "9e15cc7a347253b0f34d68820e7f180e589379db6b8d4be2b201d8f70d35e0d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1898",
    "kind": "arxiv",
    "version": 1
  }
}