Pith Number

pith:3YW35JXP

pith:2004:3YW35JXPOSL4Z3BZNCHFWAOXUP

not attested not anchored not stored refs pending

Probing the Reionization History Using the Spectra of High-Redshift Sources

Andrei Mesinger, Renyue Cen (Princeton University), Zoltan Haiman (Columbia University)

arxiv:astro-ph/0401130 v2 · 2004-01-08 · 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{3YW35JXPOSL4Z3BZNCHFWAOXUP}

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	2026-07-04T16:42:47.470670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de2dbea6ef7497ccec39688e5b01d7a3e6afee0ed0f1e0f0c74274235670f361

Aliases

arxiv: astro-ph/0401130 · arxiv_version: astro-ph/0401130v2 · doi: 10.48550/arxiv.astro-ph/0401130 · pith_short_12: 3YW35JXPOSL4 · pith_short_16: 3YW35JXPOSL4Z3BZ · pith_short_8: 3YW35JXP

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/3YW35JXPOSL4Z3BZNCHFWAOXUP \
  | 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: de2dbea6ef7497ccec39688e5b01d7a3e6afee0ed0f1e0f0c74274235670f361

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6bd2e6ae2f06278f64811cd1e0ca16335881c805507863d81677ffbdbd1f412",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-01-08T21:07:16Z",
    "title_canon_sha256": "53db160d9c697608d1a37bf68aa280fba7a76839ee38ceac79882c6938f40e94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0401130",
    "kind": "arxiv",
    "version": 2
  }
}