Pith Number

pith:2KASOLC6

pith:2022:2KASOLC6KT4PEYCZ5ROXPULHPA

not attested not anchored not stored refs pending

(Nearly) Model-Independent Constraints on the Neutral Hydrogen Fraction in the Intergalactic Medium at $z\sim 5-7$ Using Dark Pixel Fractions in Ly$\alpha$ and Ly$\beta$ Forests

Anna-Christina Eilers, Bram Venemans, Eduardo Ba\~nados, Emanuele Paolo Farina, Fabian Walter, Fabio Pacucci, Feige Wang, Frederick B. Davies, Fuyan Bian, Jinyi Yang, Joseph F. Hennawi, Xiangyu Jin, Xiaohui Fan

arxiv:2211.12613 v1 · 2022-11-22 · astro-ph.CO · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KASOLC6KT4PEYCZ5ROXPULHPA}

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

3 papers in Pith

A self-consistent analytical model for both the photoionization rate and reionization history

Machine Learning Techniques for Astrophysics and Cosmology: Lyman-$\alpha$ forest

Nearest Neighbour-Based Statistics for 21cm-Galaxy Cross-Correlations in the Epoch of Reionization

Receipt and verification

First computed	2026-07-05T05:33:54.017122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d281272c5e54f8f26059ec5d77d1677817f2cbd57ced2840e2abfd671a23e2f3

Aliases

arxiv: 2211.12613 · arxiv_version: 2211.12613v1 · doi: 10.48550/arxiv.2211.12613 · pith_short_12: 2KASOLC6KT4P · pith_short_16: 2KASOLC6KT4PEYCZ · pith_short_8: 2KASOLC6

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/2KASOLC6KT4PEYCZ5ROXPULHPA \
  | 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: d281272c5e54f8f26059ec5d77d1677817f2cbd57ced2840e2abfd671a23e2f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f23cd0e134181038a24493b1bb96ecfd94cc682241e6a1854bcf48c8f6934a2c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-11-22T22:24:29Z",
    "title_canon_sha256": "d8af0a51e3253844c31b83e689acfed4bd45181972d00ec9f75e591d9f293f37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.12613",
    "kind": "arxiv",
    "version": 1
  }
}