Pith Number

pith:QGKNVVG2

pith:2020:QGKNVVG2CUWNGAGR5VPLPFZUDJ

not attested not anchored not stored refs pending

Using Artificial Neural Networks to extract the 21-cm Global Signal from the EDGES data

Abhirup Datta, Atrideb Chatterjee, Madhurima Choudhury, Tirthankar Roy Choudhury

arxiv:2012.00028 v1 · 2020-11-30 · astro-ph.CO · astro-ph.GA · 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{QGKNVVG2CUWNGAGR5VPLPFZUDJ}

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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

Machine Learning and the SKA for Cosmic Dawn and the Epoch of Reionization

Receipt and verification

First computed	2026-07-05T02:09:15.180817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8194dad4da152cd300d1ed5eb797341a4c86051448c1c2520791e077853b8e12

Aliases

arxiv: 2012.00028 · arxiv_version: 2012.00028v1 · doi: 10.48550/arxiv.2012.00028 · pith_short_12: QGKNVVG2CUWN · pith_short_16: QGKNVVG2CUWNGAGR · pith_short_8: QGKNVVG2

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/QGKNVVG2CUWNGAGR5VPLPFZUDJ \
  | 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: 8194dad4da152cd300d1ed5eb797341a4c86051448c1c2520791e077853b8e12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31ac525e071e268520629c14b5dc7b1fa53fdc440d9f89432961d7a5f16be39f",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-11-30T19:00:06Z",
    "title_canon_sha256": "9f6f65eeffb7deb316df051b44a79b4d637206144b8bae7299e4736f6f020dc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.00028",
    "kind": "arxiv",
    "version": 1
  }
}