Pith Number

pith:PMHZYT3O

pith:2018:PMHZYT3ODMXGNTGQYL5VH52WCQ

not attested not anchored not stored refs pending

Quantifying Suppression of the Cosmological 21-cm Signal due to Direction Dependent Gain Calibration in Radio Interferometers

A. Mouri Sardarabadi, L. V. E. Koopmans

arxiv:1809.03755 v1 · 2018-09-11 · 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{PMHZYT3ODMXGNTGQYL5VH52WCQ}

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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.

Receipt and verification

First computed	2026-05-17T23:56:47.264950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b0f9c4f6e1b2e66ccd0c2fb53f7561434e41c72d77e7651ea700420729cf956

Aliases

arxiv: 1809.03755 · arxiv_version: 1809.03755v1 · doi: 10.48550/arxiv.1809.03755 · pith_short_12: PMHZYT3ODMXG · pith_short_16: PMHZYT3ODMXGNTGQ · pith_short_8: PMHZYT3O

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/PMHZYT3ODMXGNTGQYL5VH52WCQ \
  | 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: 7b0f9c4f6e1b2e66ccd0c2fb53f7561434e41c72d77e7651ea700420729cf956

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cf706b518abc2807d2128ef20f16335ab845a82f0c5d352b8df845d6d21d1d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-09-11T08:59:58Z",
    "title_canon_sha256": "057633edbe4848c52e69de2cd0770f972653cb1e174d4214edd21aa8bfaedb86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03755",
    "kind": "arxiv",
    "version": 1
  }
}