Pith Number

pith:C4I37KGE

pith:2001:C4I37KGEJTLRGETEZF45UOYHU7

not attested not anchored not stored refs pending

Evolution of the Ionizing Background and the Epoch of Reionization from the Spectra of z~6 Quasars

Hans-Walter Rix, Laura Pentericci, Michael A. Strauss, Richard L. White, Robert H. Becker, Vijay K. Narayanan, Xiaohui Fan

arxiv:astro-ph/0111184 v2 · 2001-11-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C4I37KGEJTLRGETEZF45UOYHU7}

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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

3 papers in Pith

Intensity fluctuations of radio halo in galaxy cluster: Insights from power spectrum estimation

A hidden reionization prior biases cosmological inference

Steep Redshift Evolution of the Ionizing Escape Fraction at $z = 5$--$12$: Empirical Constraints and Comparison with Simulations

Receipt and verification

First computed	2026-07-04T15:17:58.618377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1711bfa8c44cd7131264c979da3b07a7f434612b7936cbe352795755653c2688

Aliases

arxiv: astro-ph/0111184 · arxiv_version: astro-ph/0111184v2 · doi: 10.48550/arxiv.astro-ph/0111184 · pith_short_12: C4I37KGEJTLR · pith_short_16: C4I37KGEJTLRGETE · pith_short_8: C4I37KGE

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/C4I37KGEJTLRGETEZF45UOYHU7 \
  | 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: 1711bfa8c44cd7131264c979da3b07a7f434612b7936cbe352795755653c2688

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75c63e81835bc8264f6e427c50a872bae30ba8a92c89bda60026482f9727dff4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-11-09T01:02:45Z",
    "title_canon_sha256": "71288e0da0bc161f25d7c40eb87e42bc955f08fbd59a1af27447bfc41d05b2eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0111184",
    "kind": "arxiv",
    "version": 2
  }
}