Pith Number

pith:HRCFBICC

pith:2019:HRCFBICCNANYCDWOYMZAMU54LE

not attested not anchored not stored refs pending

Constraining the astrophysics and cosmology from 21cm tomography using deep learning with the SKA

Caitlin Doughty (NMSU), Sambatra Andrianomena (SARAO/UWC), Sultan Hassan (NMSU/UWC)

arxiv:1907.07787 v2 · 2019-07-17 · 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{HRCFBICCNANYCDWOYMZAMU54LE}

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

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

Receipt and verification

First computed	2026-07-05T01:02:03.045308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c4450a042681b810ecec3320653bc593de42ea943afd1b72473665bee8b0c00

Aliases

arxiv: 1907.07787 · arxiv_version: 1907.07787v2 · doi: 10.48550/arxiv.1907.07787 · pith_short_12: HRCFBICCNANY · pith_short_16: HRCFBICCNANYCDWO · pith_short_8: HRCFBICC

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/HRCFBICCNANYCDWOYMZAMU54LE \
  | 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: 3c4450a042681b810ecec3320653bc593de42ea943afd1b72473665bee8b0c00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16d78b4a0376d6b2233a0030a7d9feb8fd5cf5639d430f7b9599e6f89a2fd879",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-07-17T21:59:04Z",
    "title_canon_sha256": "bb5433a8a58198a5bb536095511827c81a770d8850c640f17145ddcd03291633"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07787",
    "kind": "arxiv",
    "version": 2
  }
}