Pith Number

pith:P37ROZAU

pith:2009:P37ROZAUKY36D5WFQVPDVPQ2G2

not attested not anchored not stored refs pending

Measuring the History of Cosmic Reionization using the 21-cm PDF from Simulations

2, (2) UCL, 3), (3) Kyoto, 4, (4) Caltech, 5), (5) Tel Aviv, (6) Zurich, 7), (7) Sussex, (8) Stockholm, (9) UT Austin), Garrelt Mellema (8), Ilian T. Iliev (6, Kazuhide Ichikawa (1, Paul Shapiro (9) ((1) ICRR Tokyo, Rennan Barkana (1

arxiv:0907.2932 v2 · 2009-07-17 · 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{P37ROZAUKY36D5WFQVPDVPQ2G2}

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	2026-05-18T02:12:56.426016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eff1764145637e1f6c5855e3abe1a36b3b5dbafdc75c43a9ae5a7d54145e159

Aliases

arxiv: 0907.2932 · arxiv_version: 0907.2932v2 · doi: 10.48550/arxiv.0907.2932 · pith_short_12: P37ROZAUKY36 · pith_short_16: P37ROZAUKY36D5WF · pith_short_8: P37ROZAU

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/P37ROZAUKY36D5WFQVPDVPQ2G2 \
  | 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: 7eff1764145637e1f6c5855e3abe1a36b3b5dbafdc75c43a9ae5a7d54145e159

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6226d7bede9f8977035c70c24b7f7172846f36c38b8f0fef2a0350fcb626547",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-17T18:10:15Z",
    "title_canon_sha256": "ff17679891ee7226194345c386c5c6311ded656c404731ccb6fb4353160aae9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.2932",
    "kind": "arxiv",
    "version": 2
  }
}