Pith Number

pith:4MKS5BGA

pith:2009:4MKS5BGA6KZRTRDU63VVEIGPDB

not attested not anchored not stored refs pending

The effect of dust geometry on the Lyman-alpha output of galaxies

A. Caon, A. Pizzella, A. Rau, B. Siana, C. Bridge, C. Scarlata, H.I. Teplitz, J. Colbert, M. Hayes, N. Panagia, P. Francis

arxiv:0909.3847 v1 · 2009-09-21 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4MKS5BGA6KZRTRDU63VVEIGPDB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:34:29.336857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3152e84c0f2b319c474f6eb5220cf1844fcbc59bd00a17dd115405684292dec

Aliases

arxiv: 0909.3847 · arxiv_version: 0909.3847v1 · doi: 10.48550/arxiv.0909.3847 · pith_short_12: 4MKS5BGA6KZR · pith_short_16: 4MKS5BGA6KZRTRDU · pith_short_8: 4MKS5BGA

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/4MKS5BGA6KZRTRDU63VVEIGPDB \
  | 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: e3152e84c0f2b319c474f6eb5220cf1844fcbc59bd00a17dd115405684292dec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24d47c1d3eaece987c01fd6961a8b5efbd4fd3a4dabf344d298b540b5f70c5bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-21T20:00:30Z",
    "title_canon_sha256": "0aefffffaa251a1d5099b0e6014e403dd784a9b40d93c7a1442d0ce3e71441b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3847",
    "kind": "arxiv",
    "version": 1
  }
}