Pith Number

pith:JREA4HGJ

pith:1999:JREA4HGJRLWWDI4OCWKPO6UPSV

not attested not anchored not stored refs pending

Scattered Lyman-alpha Radiation Around Sources Before Cosmological Reionization

Abraham Loeb, George Rybicki (Harvard University)

arxiv:astro-ph/9902180 v2 · 1999-02-12 · 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{JREA4HGJRLWWDI4OCWKPO6UPSV}

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

2 papers in Pith

Force convergence in Monte Carlo Lyman-alpha radiative transfer

Analytical and fitting formulae for solutions to Lyman-alpha radiative transfer equations: the effects of geometry, recoil, and velocity gradients

Receipt and verification

First computed	2026-07-04T15:51:57.329014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c480e1cc98aed61a38e1594f77a8f95785fbee4c3d324d1e78d56ff6d2ef309

Aliases

arxiv: astro-ph/9902180 · arxiv_version: astro-ph/9902180v2 · doi: 10.48550/arxiv.astro-ph/9902180 · pith_short_12: JREA4HGJRLWW · pith_short_16: JREA4HGJRLWWDI4O · pith_short_8: JREA4HGJ

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/JREA4HGJRLWWDI4OCWKPO6UPSV \
  | 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: 4c480e1cc98aed61a38e1594f77a8f95785fbee4c3d324d1e78d56ff6d2ef309

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eb1a68b3e6e2747b78052c8abadedc68220b8fe3f8cf9b0af573cd6b40e4ff0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-02-12T01:05:47Z",
    "title_canon_sha256": "77135302323366945c569fd666f50a2897af6fc6078ca7120509b007d64c750f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9902180",
    "kind": "arxiv",
    "version": 2
  }
}