Pith Number

pith:C4Z5RSLC

pith:2009:C4Z5RSLCEX3S3O6WIE2TH7FXVN

not attested not anchored not stored refs pending

The Inhomogeneous Ionizing Background Following Reionization

Andrei Mesinger, Steven Furlanetto

arxiv:0906.3020 v1 · 2009-06-17 · 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{C4Z5RSLCEX3S3O6WIE2TH7FXVN}

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.

Receipt and verification

First computed	2026-05-18T02:13:19.629286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1733d8c96225f72dbbd6413533fcb7ab56453e5cb0be4fca514563559e340e89

Aliases

arxiv: 0906.3020 · arxiv_version: 0906.3020v1 · doi: 10.48550/arxiv.0906.3020 · pith_short_12: C4Z5RSLCEX3S · pith_short_16: C4Z5RSLCEX3S3O6W · pith_short_8: C4Z5RSLC

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/C4Z5RSLCEX3S3O6WIE2TH7FXVN \
  | 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: 1733d8c96225f72dbbd6413533fcb7ab56453e5cb0be4fca514563559e340e89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b748bb1b0444c5732cc41e382bcc1d37cd5356effd4ec5e898142ab951ee0f68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-17T02:39:48Z",
    "title_canon_sha256": "be512f78b79b402804147263e84c1f6a3929e747ee2363025ffd3c53cb5b335e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3020",
    "kind": "arxiv",
    "version": 1
  }
}