Pith Number

pith:HX5XB4OI

pith:2018:HX5XB4OIYMKAOSBGA2IL6V3BSM

not attested not anchored not stored refs pending

Parametrizing the Reionization History with the Redshift Midpoint, Duration, and Asymmetry

Hy Trac

arxiv:1804.00672 v2 · 2018-04-02 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HX5XB4OIYMKAOSBGA2IL6V3BSM}

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

The Lumina Project: CMB Optical Depth Fluctuations from Patchy Reionization

Receipt and verification

First computed	2026-05-18T00:15:14.942810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dfb70f1c8c3140748260690bf57619309e52c153397a05d327b277335ffacbe

Aliases

arxiv: 1804.00672 · arxiv_version: 1804.00672v2 · doi: 10.48550/arxiv.1804.00672 · pith_short_12: HX5XB4OIYMKA · pith_short_16: HX5XB4OIYMKAOSBG · pith_short_8: HX5XB4OI

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/HX5XB4OIYMKAOSBGA2IL6V3BSM \
  | 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: 3dfb70f1c8c3140748260690bf57619309e52c153397a05d327b277335ffacbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9e105d6ce90cbb834073ce4e3ffa22f8f5ee4be7ff549fd3b6463d892c83114",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-02T18:00:32Z",
    "title_canon_sha256": "f9dbea5aa897bad2d9e7f2db01ca5845ee1791dd179a8a00e3c4c4bbcb458330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00672",
    "kind": "arxiv",
    "version": 2
  }
}