Pith Number

pith:OEDLC354

pith:2011:OEDLC354LOYTHZN2XQSKCWD3Z5

not attested not anchored not stored refs pending

How the first generations of luminous baryons established the X-ray and UV backgrounds

Andrei Mesinger

arxiv:1101.4438 v1 · 2011-01-21 · 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{OEDLC354LOYTHZN2XQSKCWD3Z5}

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	2026-05-18T02:22:50.258705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7106b16fbc5bb133e5babc24a1587bcf620a210d728546a4e1046436ee65a98d

Aliases

arxiv: 1101.4438 · arxiv_version: 1101.4438v1 · doi: 10.48550/arxiv.1101.4438 · pith_short_12: OEDLC354LOYT · pith_short_16: OEDLC354LOYTHZN2 · pith_short_8: OEDLC354

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/OEDLC354LOYTHZN2XQSKCWD3Z5 \
  | 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: 7106b16fbc5bb133e5babc24a1587bcf620a210d728546a4e1046436ee65a98d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bba6d979480ba4c7b26ef973be77aca6edc7de2ca34d2a7e071fc368f7e9ab0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-21T17:48:20Z",
    "title_canon_sha256": "80f8493f4b9f1a05b555e0a7c3115187cdfdc50b6a324c3ea33dec4a2133e021"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4438",
    "kind": "arxiv",
    "version": 1
  }
}