Pith Number

pith:DOXBRHVJ

pith:2018:DOXBRHVJTNMDU6Q4XHPDYYBPG2

not attested not anchored not stored refs pending

X-ray background and its correlation with the 21 cm signal

B. Ciardi, K. Helgason, M. B. Eide, Q. Ma

arxiv:1807.01283 v1 · 2018-07-03 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DOXBRHVJTNMDU6Q4XHPDYYBPG2}

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

The Lumina Project: CMB Optical Depth Fluctuations from Patchy Reionization

Introducing the Lumina project: large-volume radiation-hydrodynamic simulations of the epochs of hydrogen and helium reionization

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

Receipt and verification

First computed	2026-05-18T00:09:58.438650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bae189ea99b583a7a1cb9de3c602f36a8a121678320692cf249457e046506fb

Aliases

arxiv: 1807.01283 · arxiv_version: 1807.01283v1 · doi: 10.48550/arxiv.1807.01283 · pith_short_12: DOXBRHVJTNMD · pith_short_16: DOXBRHVJTNMDU6Q4 · pith_short_8: DOXBRHVJ

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/DOXBRHVJTNMDU6Q4XHPDYYBPG2 \
  | 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: 1bae189ea99b583a7a1cb9de3c602f36a8a121678320692cf249457e046506fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e08d723737999edd27cbbdc954b9489a21c03bca2b95f5331e2e13e1150212d0",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-07-03T16:59:55Z",
    "title_canon_sha256": "fca28c35cfcfb69c4254c3e348be421c86822b8d376e289b2ce4ead5f303e965"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01283",
    "kind": "arxiv",
    "version": 1
  }
}