Pith Number

pith:SCRU45CR

pith:2021:SCRU45CRMINIIETLTBBZL3UMYZ

not attested not anchored not stored refs pending

Recovering the Wedge Modes Lost to 21-cm Foregrounds

Adrian Liu, Jacob Kennedy, Samuel Gagnon-Hartman, Siamak Ravanbakhsh, Yue Cui

arxiv:2102.08382 v5 · 2021-02-16 · astro-ph.CO · 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{SCRU45CRMINIIETLTBBZL3UMYZ}

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

Wedge-avoidance Fisher Forecasts for Primordial Non-Gaussianity from Dark-Ages 21-cm Power Spectrum and Bispectrum

Receipt and verification

First computed	2026-07-05T07:49:08.914537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90a34e7451621a84126b984395ee8cc6616279678348ce54e338ed9551689415

Aliases

arxiv: 2102.08382 · arxiv_version: 2102.08382v5 · doi: 10.48550/arxiv.2102.08382 · pith_short_12: SCRU45CRMINI · pith_short_16: SCRU45CRMINIIETL · pith_short_8: SCRU45CR

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/SCRU45CRMINIIETLTBBZL3UMYZ \
  | 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: 90a34e7451621a84126b984395ee8cc6616279678348ce54e338ed9551689415

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6634486d51044db1b682f3259844c96cee90cef516fd2d9655e079a3b6f3e94e",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-02-16T19:00:00Z",
    "title_canon_sha256": "990f8b651320d013fd50de0bbffc69a3634082d0596a673afcc8dce398fbc3c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.08382",
    "kind": "arxiv",
    "version": 5
  }
}