Pith Number

pith:N5ZFFPAS

pith:2000:N5ZFFPASFCBH33GIP2M7V3V2WG

not attested not anchored not stored refs pending

The Reionization of the Universe by the First Stars and Quasars

Abraham Loeb (Harvard University), Princeton NJ), Rennan Barkana (IAS

arxiv:astro-ph/0010467 v1 · 2000-10-23 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5ZFFPASFCBH33GIP2M7V3V2WG}

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

Tilting at the Turnover: Modeling the Faint-End of the UV Luminosity Function Behind Abell s1063 with JWST

Receipt and verification

First computed	2026-07-04T16:17:27.107080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f7252bc1228827decc87e99faeebab1b14356817577d5d7afb48826ab39819b

Aliases

arxiv: astro-ph/0010467 · arxiv_version: astro-ph/0010467v1 · doi: 10.48550/arxiv.astro-ph/0010467 · pith_short_12: N5ZFFPASFCBH · pith_short_16: N5ZFFPASFCBH33GI · pith_short_8: N5ZFFPAS

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/N5ZFFPASFCBH33GIP2M7V3V2WG \
  | 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: 6f7252bc1228827decc87e99faeebab1b14356817577d5d7afb48826ab39819b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f682c76a82746276db2b345845ef0575e08bf343d41fc31fe460dfae3cfdbca",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-10-23T23:00:06Z",
    "title_canon_sha256": "4eafcfae49e4344ed593f9a449ad89d7901dc7ba34a17ac562a10cf6588d40bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0010467",
    "kind": "arxiv",
    "version": 1
  }
}