Pith Number

pith:CMHKPTY4

pith:2023:CMHKPTY4JCQ2D3PZBCFJP64BQM

not attested not anchored not stored refs pending

On the use of temporal filtering for mitigating galactic synchrotron calibration bias in 21 cm reionization observations

Eloy de Lera Acedo, Gianni Bernardi, Landman Bester, Nicholas Kern, Nicolas Fagnoni, Ntsikelelo Charles, Oleg Smirnov

arxiv:2302.00269 v2 · 2023-02-01 · 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{CMHKPTY4JCQ2D3PZBCFJP64BQM}

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.

Receipt and verification

First computed	2026-07-05T06:02:24.788285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

130ea7cf1c48a1a1edf9088a97fb818302d922e90887fb768f75d899d1343939

Aliases

arxiv: 2302.00269 · arxiv_version: 2302.00269v2 · doi: 10.48550/arxiv.2302.00269 · pith_short_12: CMHKPTY4JCQ2 · pith_short_16: CMHKPTY4JCQ2D3PZ · pith_short_8: CMHKPTY4

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/CMHKPTY4JCQ2D3PZBCFJP64BQM \
  | 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: 130ea7cf1c48a1a1edf9088a97fb818302d922e90887fb768f75d899d1343939

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cbb42e303759b75218dce2c1d472ebc3b052920370f9ae4859768fd84d36061",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-02-01T06:22:07Z",
    "title_canon_sha256": "c20d6992426339dd08c2a397276d0b21ab54fc2dff38b082b5f0f7f917208d84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.00269",
    "kind": "arxiv",
    "version": 2
  }
}