Pith Number

pith:JCFSWCI7

pith:2018:JCFSWCI7VUWQNR4CM5DDGNQD22

not attested not anchored not stored refs pending

A Ground Plane Artifact that Induces an Absorption Profile in Averaged Spectra from Global 21-cm Measurements - with Possible Application to EDGES

David Rapetti, Jack O. Burns, Keith Tauscher, Richard F. Bradley

arxiv:1810.09015 v2 · 2018-10-21 · astro-ph.IM · astro-ph.CO

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\usepackage{pith}
\pithnumber{JCFSWCI7VUWQNR4CM5DDGNQD22}

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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

Mapping Cosmological Signal Scales to Beam Calibration Requirements in 21cm Experiments and Implications for Near-Field Measurement

Receipt and verification

First computed	2026-05-17T23:49:03.206854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

488b2b091fad2d06c7826746333603d6a8a73cf060f8f93902f9ab75f6772b8b

Aliases

arxiv: 1810.09015 · arxiv_version: 1810.09015v2 · doi: 10.48550/arxiv.1810.09015 · pith_short_12: JCFSWCI7VUWQ · pith_short_16: JCFSWCI7VUWQNR4C · pith_short_8: JCFSWCI7

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/JCFSWCI7VUWQNR4CM5DDGNQD22 \
  | 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: 488b2b091fad2d06c7826746333603d6a8a73cf060f8f93902f9ab75f6772b8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a8ef6abed8a0f9e6cabbd2767a75f44e53dcc3045399bdb43bb849cab225c65",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-10-21T20:05:46Z",
    "title_canon_sha256": "1adf1a8a7000a3bf2882663c0a8669eb4b70451f1a969a0099b1763efa246735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09015",
    "kind": "arxiv",
    "version": 2
  }
}