Pith Number

pith:QPWY2P47

pith:2005:QPWY2P474RFVONNBBNUNRJDETB

not attested not anchored not stored refs pending

The Radiative Transport of Dust in Primordial Galaxies and Second-Generation Star Formation

2), (2) Raman Research Institute, Aparna Venkatesan (1), Bangalore, Biman B. Nath (1, Boulder, India), J. Michael Shull (1) ((1) University of Colorado

arxiv:astro-ph/0508163 v2 · 2005-08-05 · 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{QPWY2P474RFVONNBBNUNRJDETB}

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	2026-05-18T04:36:29.788503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ed8d3f9fe44b5735a10b68d8a464984a8079ef12a459afe834e8444132f887

Aliases

arxiv: astro-ph/0508163 · arxiv_version: astro-ph/0508163v2 · doi: 10.48550/arxiv.astro-ph/0508163 · pith_short_12: QPWY2P474RFV · pith_short_16: QPWY2P474RFVONNB · pith_short_8: QPWY2P47

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/QPWY2P474RFVONNBBNUNRJDETB \
  | 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: 83ed8d3f9fe44b5735a10b68d8a464984a8079ef12a459afe834e8444132f887

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd86b3f29795c82f081c3ced01361954efd767bcbf6ec2997edecbd6fb403335",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-05T18:03:58Z",
    "title_canon_sha256": "4d1aac185ca69af148596abffc0f9b474d0f4e09c947f7fdb746973cacb68254"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508163",
    "kind": "arxiv",
    "version": 2
  }
}