Pith Number

pith:52ZIJ7W2

pith:2019:52ZIJ7W2GGDAVKK7SI6LV4N55S

not attested not anchored not stored refs pending

On the contamination of the global 21~cm signal from polarized foregrounds

Gianni Bernardi, Mario G. Santos, Marta Spinelli

arxiv:1908.05303 v1 · 2019-08-14 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{52ZIJ7W2GGDAVKK7SI6LV4N55S}

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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

Reviving Millicharged Dark Matter for 21-cm Cosmology

Receipt and verification

First computed	2026-07-05T00:06:53.690504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eeb284feda31860aa95f923cbaf1bdec9600fe9fff621a5a3d9e0f50feee3a62

Aliases

arxiv: 1908.05303 · arxiv_version: 1908.05303v1 · doi: 10.48550/arxiv.1908.05303 · pith_short_12: 52ZIJ7W2GGDA · pith_short_16: 52ZIJ7W2GGDAVKK7 · pith_short_8: 52ZIJ7W2

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/52ZIJ7W2GGDAVKK7SI6LV4N55S \
  | 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: eeb284feda31860aa95f923cbaf1bdec9600fe9fff621a5a3d9e0f50feee3a62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d148187249f5fe05f9df2e37cd00a223a01f8126476b0ac2b8e65f7de7e9ca6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-08-14T18:42:14Z",
    "title_canon_sha256": "6524c1c8ba4b921684b43c5eee7714c0ea8caa6a0d8e8dc06fe81e16be233eb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05303",
    "kind": "arxiv",
    "version": 1
  }
}