Pith Number

pith:ZCOE22XO

pith:2009:ZCOE22XOSZ4K3FF2LVDKLISMYV

not attested not anchored not stored refs pending

Science with a lunar low-frequency array: from the dark ages of the Universe to nearby exoplanets

Heino Falcke (ASTRON / Radboud Universiteit Nijmegen), Sebastian Jester (MPIA Heidelberg)

arxiv:0902.0493 v1 · 2009-02-03 · astro-ph.CO · astro-ph.EP · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZCOE22XOSZ4K3FF2LVDKLISMYV}

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

Low-frequency radio telescopes sensitivity to light dark matter

Receipt and verification

First computed	2026-07-04T15:39:14.034539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c89c4d6aee9678ad94ba5d46a5a24cc5592cde5a402227a43bec848ba0d0e41f

Aliases

arxiv: 0902.0493 · arxiv_version: 0902.0493v1 · doi: 10.48550/arxiv.0902.0493 · pith_short_12: ZCOE22XOSZ4K · pith_short_16: ZCOE22XOSZ4K3FF2 · pith_short_8: ZCOE22XO

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/ZCOE22XOSZ4K3FF2LVDKLISMYV \
  | 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: c89c4d6aee9678ad94ba5d46a5a24cc5592cde5a402227a43bec848ba0d0e41f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff2086b651d7c2520d70d73b8da5833fffa50bda59b7c097d6124115e8b238ae",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.HE",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-02-03T12:44:58Z",
    "title_canon_sha256": "11e253e6457031e0a753848154e3253817d01806d5c0b98a5ffce4fb04d19575"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0493",
    "kind": "arxiv",
    "version": 1
  }
}